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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
H          
                He
Li Be               B C N O F Ne
Na Mg                                                 Al Si P S Cl Ar
K Ca                             Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr                             Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Chemical Entities Containing:
Oxygen
Structure Reactions
Forming
Reactions
Using
Wikipedia NIST
(KSO3)2NO
(KSO3)2NO
1 Wikipedia NIST
A (alanine) 2 3 Wikipedia NIST
(Ac)2O
(CH3CO)2CO
4 12 Wikipedia NIST
acac 2 2 Wikipedia NIST
acac- 1 Wikipedia NIST
Acetaldehyde
CH3CHO
13 20 Wikipedia NIST
Acetaldehyde enolate 1 Wikipedia NIST
Acetaldehyde, protonated 1 NIST
Acetaldol 1 2 NIST
Acetamide
CH3CONH2
4 1 Wikipedia NIST
Acetamide/dimethyl ether complex 1 NIST
Acetaminophen Wikipedia NIST
Acetanilide 2 1 Wikipedia NIST
Acetate ion
[CH3COO]
6 10 Wikipedia NIST
Acetic acid
CH3COOH
32 27 Wikipedia NIST
Acetic acid, aqueous
CH3COOH(aq)
3 Wikipedia NIST
Acetic acid, dimer 1 Wikipedia NIST
Acetic acid, protonated 1 NIST
Acetic acid, sodium salt
CH3COONa
4 2 Wikipedia NIST
Acetic anhydride
(CH3CO)2CO
4 12 Wikipedia NIST
Acetone 15 19 Wikipedia NIST
Acetone cyanohydrin 1 1 NIST
Acetone enolate ion 2 Wikipedia NIST
Acetone peroxide 1 1 Wikipedia NIST
Acetone, protonated 1 NIST
Acetone/methanol complex 1 NIST
Acetophenone 3 2 Wikipedia NIST
Acetophenone lithium enolate 2 NIST
Acetophenone, 4-nitro 1 NIST
Acetophenone, alpha-amino 4-nitro 1 1 NIST
Acetophenone, alpha-bromo-4-nitro 1 1 NIST
Acetyl cation
[CH3CO]+
1 13 NIST
Acetyl chloride
CH3COCl
11 Wikipedia NIST
Acetyl coenzyme A 1 Wikipedia NIST
Acetyl hydroperoxide
CH3COOOH
3 4 Wikipedia NIST
Acetyl-CoA 1 Wikipedia NIST
Acetylacetone 2 2 Wikipedia NIST
Acetylacetone anion 1 Wikipedia NIST
Acetylformic acid 1 Wikipedia NIST
Acetylsalicylic acid 2 Wikipedia NIST
Achilleic acid 1 1 Wikipedia NIST
Acid Wikipedia NIST
Acidum boricum
H3BO3
10 9 Wikipedia NIST
AcNH2
CH3CONH2
4 1 Wikipedia NIST
AcOH
CH3COOH
32 27 Wikipedia NIST
AcOMe 2 Wikipedia NIST
cis-Aconitic acid 1 1 Wikipedia NIST
AcOOH
CH3COOOH
3 4 Wikipedia NIST
Acrolein 3 4 Wikipedia NIST
Acrylate ion 1 Wikipedia NIST
Acrylic acid 6 Wikipedia NIST
Acrylic_glass 1 Wikipedia NIST
Actinolite
Ca2(Mg4.5-2.5Fe2+0.5-2.5)
Si8O22(OH)2
Wikipedia
Acyl radical 4 2 NIST
Adamite
Zn2AsO4(OH)
Wikipedia
Adams' catalyst
PtO2
Wikipedia NIST
Adenine diphosphate
APD
1 Wikipedia NIST
Adenine monophosphate
AMP
Wikipedia NIST
Adenine triphosphate
ATP
1 Wikipedia NIST
Adenosine 3,5-cyclic phosphate
cAMP
Wikipedia NIST
Adipic acid 4 3 Wikipedia NIST
ADP
APD
1 Wikipedia NIST
Adrenaline Wikipedia NIST
Adularia
KAlSi3O8
Wikipedia
Aegirine
NaFe3+
[Si2O6]
Wikipedia
[Ag(S2O3)2]3-
[Ag(S2O3)2]3–
3 NIST
Ag2CO3
Ag2CO3
3 2 Wikipedia NIST
Ag2Cr2O4
Ag2CrO4
2 Wikipedia NIST
Ag2O
Ag2O
1 3 Wikipedia NIST
Ag2O2
Ag2O2
Wikipedia NIST
Ag3PO4
Ag3PO4
1 NIST
Agate
SiO2
Wikipedia
AgBrO3
AgBrO3
1 NIST
AgC2O4
AgC2O4
1 Wikipedia NIST
AgIO3
AgIO3
1 Wikipedia NIST
AgNO3
AgNO3
1 11 Wikipedia NIST
AgsSO4
Ag2SO4
1 1 Wikipedia NIST
Air
Air
8 Wikipedia NIST
Al(H2O)3(OH)3
Al(H2O)3(OH)3
Al(OH)3
4 3 NIST
[Al(H2O)6]3+
[Al(H2O)6]3+
2 6 NIST
Al(O(CH3)2CH)3
Al(OiPr)3
1 Wikipedia NIST
Al(OH)3
Al(OH)3
2 11 Wikipedia NIST
[Al(OH)4]-
[Al(OH)4]
8 Wikipedia NIST
Al(OiPr)3
Al(OiPr)3
1 Wikipedia NIST
Al2(SO4)3
Al2(SO4)3
2 2 Wikipedia NIST
Al2O3
Al2O3
15 12 Wikipedia NIST
Ala 2 3 Wikipedia NIST
Ala-ala
Ala-Ala
1 NIST
Ala-gly
Ala-Gly
1 NIST
Alanine 2 3 Wikipedia NIST
Alanine, deprotonated 1 Wikipedia NIST
Alanine, protonated 1 Wikipedia NIST
L-Alanyl-L-alanine
Ala-Ala
1 NIST
L-Alanylglycine
Ala-Gly
1 NIST
Alizarin yellow GG
Alizarin
Yellow
NIST
sec Alkyl sulfonate 2 Wikipedia NIST
D-Allose 1 Wikipedia NIST
Allyl alcohol 8 2 Wikipedia NIST
Allyl alkoxide ion 1 NIST
Allyl phenyl ether 1 NIST
4-Allyl-1,2-methylenedioxybenzene Wikipedia NIST
4-Allyl-2-methoxyphenol 1 NIST
2-Allylphenol 1 NIST
D-Altrose 1 Wikipedia NIST
Alum
KAl(SO4)2
.12H2O
1 Wikipedia NIST
Alumina
Al2O3
15 12 Wikipedia NIST
Alumina trihydrate
Al(OH)3
2 11 Wikipedia NIST
Aluminium hexaaqua complex ion
[Al(H2O)6]3+
2 6 NIST
Aluminium hydroxide
Al(OH)3
2 11 Wikipedia NIST
Aluminium hydroxide, hydrated
Al(H2O)3(OH)3
Al(OH)3
4 3 NIST
Aluminium isopropoxide
Al(OiPr)3
1 Wikipedia NIST
Aluminium oxide
Al2O3
15 12 Wikipedia NIST
Aluminium potassium sulfate dodecahydrate
KAl(SO4)2
.12H2O
1 Wikipedia NIST
Aluminium sulfate
Al2(SO4)3
2 2 Wikipedia NIST
Aluminium tetrahydroxy ion
[Al(OH)4]
8 Wikipedia NIST
Aluminium triaquatrihydroxy complex
Al(H2O)3(OH)3
Al(OH)3
4 3 NIST
Alumstone
KAl3(SO4)2(OH)6
Wikipedia
Alunite
KAl3(SO4)2(OH)6
Wikipedia
Amblygonite
(Li,Na)Al(PO4)
(F,OH)
1 Wikipedia
Amidosulfate anion
[NH2SO3]
1 NIST
2-Aminihypoxthanthine
Guanine
G
1 Wikipedia NIST
(-)-2-Amino-1-(3,4-dihydroxyphenyl)ethanol Wikipedia NIST
(D)-threo-2-Amino-1-(4-nitrophenyl)-1,3-propanediol 1 1 Wikipedia NIST
threo-2-Amino-1-(4-nitrophenyl)-1,3-propanediol 1 1 Wikipedia NIST
2-Amino-1-(4-nitrophenyl)ethanone 1 1 NIST
2-Amino-1-(4-nitrophenyl)ethanone, N-acyl 1 1 NIST
4-Amino-2(1H)-pyrimidinone
Cytosine
C
1 Wikipedia NIST
2-Aminobenzoic acid 1 Wikipedia NIST
2-Aminoethanol 1 3 Wikipedia NIST
4-Aminonitrobenzene 1 3 Wikipedia NIST
4-Aminophenol 1 Wikipedia NIST
[D(-)-a-Aminophenylacetamido]penicillanic acid Wikipedia NIST
[D(-)-a-Aminophenylacetamido]penicillanic acid Wikipedia NIST
(2S)-2-Aminopropanoic acid 2 3 Wikipedia NIST
Ammonia/water complex 1 NIST
Ammonium metavandate
NH4VO3
1 1 NIST
Ammonium vandate(V)
NH4VO3
1 1 NIST
Ammonium acetate
[NH4]+[CH3CO2]
1 1 Wikipedia NIST
Ammonium aminoformate 1 1 NIST
Ammonium carbamate 1 1 NIST
Ammonium carbonate
(NH4)2CO3
1 Wikipedia NIST
Ammonium ethanoate
[NH4]+[CH3CO2]
1 1 Wikipedia NIST
Ammonium nitrate
NH4NO3
3 5 Wikipedia NIST
Ammonium nitrite
NH4NO3
2 Wikipedia NIST
Ammonium perchlorate
NH4ClO4
2 2 Wikipedia NIST
Ammonium sulfate
(NH4)2SO4
3 1 Wikipedia NIST
Ammonium sulfite
(NH4)2SO3
.H2O
2 1 NIST
Ammonium thiosulfate
(NH4)2S2O3
3 NIST
AMP
AMP
Wikipedia NIST
cAMP
cAMP
Wikipedia NIST
Ampicillin Wikipedia NIST
Ampicillin Wikipedia NIST
tert-Amyl alcohol 1 NIST
Amylopectin
Starch
3 Wikipedia
Amylose
Starch
3 Wikipedia
Anadonis green
Cr2O3
3 2 Wikipedia NIST
Analcime
NaAlSi2O2
.2H2O
Wikipedia
Analcite
NaAlSi2O2
.2H2O
Wikipedia
Anatase
TiO2
1 Wikipedia
Andalucite
Al2SiO5
Anethole Wikipedia NIST
Anglesite
PbSO4
Wikipedia
Anhydrite
CaSO4
Wikipedia
Anisole 2 Wikipedia NIST
Ankerite
Ca(Mg,Fe)
(CO3)2
Wikipedia
Annabergite
Ni3(AsO4)2
.8H2O
Wikipedia
Anthophyllite asbestos
(Mg,Fe)7Si8
O22(OH)2
Wikipedia
Anthquinol 1 1 NIST
9,10-Anthradiol 1 1 NIST
Anthrahydroquinone 1 1 NIST
Anthranilic acid 1 Wikipedia NIST
9,10-Anthraquinone 5 1 Wikipedia NIST
Antichlor
Na2S2O3
5 4 Wikipedia NIST
Antifreeze 6 9 Wikipedia NIST
Antimonic oxide
Sb2O5
1 Wikipedia NIST
Antimony pentoxide
Sb2O5
1 Wikipedia NIST
Antimony trioxide
Sb2O3
2 2 Wikipedia NIST
Antimony(V) pentafluoride. fluorosulfonic acid
H+[SbF6]
.SO3
Wikipedia NIST
AP 1 1 Wikipedia NIST
Apatite
Ca5(PO4)3
(F,Cl,OH)
Wikipedia
Apophyllite
(K,Na)Ca4Si8O20
(F,OH).8H2O
Wikipedia
Aqua
H2O
529 531 Wikipedia NIST
Aqua regia
Aqua Regia
1 2 Wikipedia NIST
Aqueous nitric acid
HNO3(aq)
3 3 Wikipedia NIST
Aqueous sodium hydroxide
NaOH(aq)
5 37 Wikipedia NIST
Aqueous sulfuric acid
H2SO4(aq)
3 11 Wikipedia NIST
D-Arabinose 1 1 Wikipedia NIST
Arachidic acid
CH3(CH2)18COOH
Wikipedia NIST
Arachidonic acid
Arachidonic
Acid
Wikipedia NIST
Aragonite
CaCO3
Wikipedia
Arcanum duplicatum
K2SO4
2 1 Wikipedia NIST
Arg 1 1 Wikipedia NIST
Argentic oxide
Ag2O2
Wikipedia NIST
Arginine 1 1 Wikipedia NIST
Arginine, deprotonated 1 Wikipedia NIST
Arginine, doubly-protonated 1 Wikipedia NIST
Arginine, protonated 1 1 Wikipedia NIST
Arsenate (dihydrogen) ion
[H2AsO4]
1 1 NIST
Arsenate (hydrogen) ion
[HAsO4]2–
1 1 NIST
ortho Arsenic acid
H3AsO4
1 NIST
Arsenic pentoxide
As2O5
1 Wikipedia NIST
Arsenic trioxide
As2O3
2 1 Wikipedia NIST
Arsenite ion
[AsO2]
Wikipedia NIST
Arsenous oxide
As2O3
2 1 Wikipedia NIST
Arsinate ion
[AsO4]3–
1 NIST
Arylam 2 Wikipedia NIST
As2O3
As2O3
2 1 Wikipedia NIST
As2O5
As2O5
1 Wikipedia NIST
As4O10
As2O5
1 Wikipedia NIST
ASA 2 Wikipedia NIST
Asbestos, anthophyllite
(Mg,Fe)7Si8
O22(OH)2
Wikipedia
Asbestos, tremolite
Ca2(Mg,Fe)5
Si8O22
Wikipedia
(+/-)-Ascaridole 1 Wikipedia NIST
Asn 1 1 Wikipedia NIST
[AsO2]-
[AsO2]
Wikipedia NIST
[AsO4]3-
[AsO4]3–
1 NIST
Asp 1 1 Wikipedia NIST
Asparagine 1 1 Wikipedia NIST
Asparagine, deprotonated 1 Wikipedia NIST
Asparagine, protonated 1 Wikipedia NIST
Aspartic acid 1 1 Wikipedia NIST
Aspartic acid, deprotonated 1 1 Wikipedia NIST
Aspartic acid, doubly-deprotonated 1 Wikipedia NIST
Aspartic acid, protonated 1 Wikipedia NIST
Aspirin 2 Wikipedia NIST
Atacamite
Cu2Cl(OH)3
Wikipedia
ATP
ATP
1 Wikipedia NIST
Au2O
Au2O
NIST
Au2O3
Au2O3
Wikipedia NIST
Auric oxide
Au2O3
Wikipedia NIST
Aurous oxide
Au2O
NIST
Autunite
Cu(UO2)2(PO4)2
.8-12H2O
Wikipedia
B(OCH3)3
B(OCH3)3
2 1 Wikipedia NIST
[B(OH)4]-
[B(OH)4]
5 NIST
B2O3
B2O3
3 14 Wikipedia NIST
[B3O6]3-
[BO2]
[B3O6]3–
2 Wikipedia NIST
[B4O7]2-
[B4O7]2–
1 Wikipedia NIST
Ba(NO3)2
Ba(NO3)2
1 Wikipedia NIST
Ba(OH)2
Ba(OH)2
7 3 Wikipedia NIST
BaC2O4
BaC2O4
1 Wikipedia NIST
BaCO3
BaCO3
3 1 Wikipedia NIST
BaCrO4
BaCrO4
1 Wikipedia NIST
BaO
BaO
4 3 Wikipedia NIST
BaO2
BaO2
3 1 Wikipedia NIST
Barbital Wikipedia NIST
Barbituric acid (enol form) 1 Wikipedia NIST
Barbituric acid (keto form) 1 Wikipedia NIST
Barium carbonate
BaCO3
3 1 Wikipedia NIST
Barium chromate
BaCrO4
1 Wikipedia NIST
Barium hydroxide
Ba(OH)2
7 3 Wikipedia NIST
Barium nitrate
Ba(NO3)2
1 Wikipedia NIST
Barium oxalate
BaC2O4
1 Wikipedia NIST
Barium oxide
BaO
4 3 Wikipedia NIST
Barium peroxide
BaO2
3 1 Wikipedia NIST
Barium sulfate
BaSO4
7 2 Wikipedia NIST
Barium sulphate
BaSO4
7 2 Wikipedia NIST
Baryte
BaSO4
Wikipedia
BaSO4
BaSO4
7 2 Wikipedia NIST
Bauxite
Al2O3.2H2O
(+Fe, Ti oxides)
2 Wikipedia
Be(OH)2
Be(OH)2
7 5 Wikipedia NIST
[Be(OH)4]2-
[Be(OH)4]2–
4 NIST
Be2SiO4
Be2SiO4
1 NIST
BeCO3
BeCO3
1 1 Wikipedia NIST
Beet sugar
Sucrose
1 Wikipedia NIST
Benzaldehyde 2 6 Wikipedia NIST
Benzaldehyde radical cation 1 NIST
Benzamide Wikipedia NIST
Benzene-1,4-dioic acid 2 2 Wikipedia NIST
para-Benzeneazophenol 1 NIST
Benzenecarbonal 2 6 Wikipedia NIST
Benzenecarboxylic acid 6 2 Wikipedia NIST
Benzenechromium tricarbonyl 1 NIST
Benzenediazonium-2-carboxylate 1 1 NIST
1,2-Benzenedioic acid 2 1 Wikipedia NIST
Benzenesulfonate ion 1 NIST
Benzenesulfonic acid 2 1 NIST
Benzenol 8 10 Wikipedia NIST
Benzhydrol 1 Wikipedia NIST
Benzidine/Trinitrobenzene charge transfer complex 1 NIST
Benzoate ion 2 2 Wikipedia NIST
Benzofuran Wikipedia NIST
Benzoic acid 6 2 Wikipedia NIST
Benzophenone 4 3 Wikipedia NIST
Benzophenone ketyl 1 2 NIST
Benzophenone radical anion 1 NIST
singlet Benzophenone 1 1 NIST
triplet Benzophenone 1 1 NIST
Benzopinacole 1 NIST
1,2-Benzopyrone Wikipedia NIST
1,4-Benzoquinone 3 1 Wikipedia NIST
Benzoyl benzene 4 3 Wikipedia NIST
Benzoyl cation 3 NIST
Benzoyl chloride 1 Wikipedia NIST
Benzoyl peroxide
(C6H5COO)2
3 Wikipedia NIST
Benzoyl radical 1 NIST
Benzoylmethyleconine Wikipedia NIST
Benzpinacol 1 NIST
Benzyl alcohol 5 1 Wikipedia NIST
Benzyl diethyl phosphonate 1 NIST
Benzyldiphenyl carbinol 1 NIST
Benzylphenylsulfone 1 NIST
Benzylphenylsulfone anion 1 Wikipedia NIST
BeO
BeO
4 2 Wikipedia NIST
Beryl
Be3Al2Si6O18
1 Wikipedia
Beryllate ion
[Be(OH)4]2–
4 NIST
Beryllium carbonate
BeCO3
1 1 Wikipedia NIST
Beryllium hydroxide
Be(OH)2
7 5 Wikipedia NIST
Beryllium oxide
BeO
4 2 Wikipedia NIST
Beryllium silicate
Be2SiO4
1 NIST
Beryllium sulfate
BeSO4
1 2 NIST
Beryllium tetrahydroxide ion
[Be(OH)4]2–
4 NIST
BeSO4
BeSO4
1 2 NIST
BF3 etherate 1 2 Wikipedia NIST
Bi(NO3)2
Bi(NO3)2
1 NIST
Bi2O3
Bi2O3
1 1 Wikipedia NIST
Bicarbonate ion
[HCO3]
4 5 NIST
Biformyl 1 1 Wikipedia NIST
bis(2-methyloxyethyl) ether 2 Wikipedia NIST
Bis(butadiene)iron monocarbonyl 1 NIST
bisMethylsulfoxide 3 5 Wikipedia NIST
Bismuth nitrate
Bi(NO3)2
1 NIST
Bismuth(III) oxide
Bi2O3
1 1 Wikipedia NIST
Bisphenol A 1 1 Wikipedia NIST
Bisphenol A glycidyl ether
Bisphenol A
Glycidyl Ether
NIST
Bisulfate ion
[HSO4]
17 3 NIST
Bisulfite ion
[HSO3]
3 8 NIST
Biuret 1 Wikipedia NIST
Black powder
75% KNO3,
15% S, 10% C
gunpowder
1 1 Wikipedia NIST
Bleach
NaOCl(aq)
4 5 Wikipedia NIST
Bleaching powder
Ca(OCl)2
.2H2O
1 Wikipedia NIST
[BO2]-
[BO2]
[B3O6]3–
2 Wikipedia NIST
[BO3]3-
[BO3]3–
Wikipedia NIST
Boehmite
AlO(OH)
Wikipedia
Bone ash
Ca3(PO4)2
2 3 Wikipedia NIST
Boracic acid
H3BO3
10 9 Wikipedia NIST
Borane/THF Complex 1 10 NIST
Borane/THF Complex, 1.0 Molar solution in THF
BF3←THF
in THF
2 NIST
Borate ion
[B4O7]2–
1 Wikipedia NIST
Borate ion, meta
[BO2]
[B3O6]3–
2 Wikipedia NIST
Borate ion, ortho
[BO3]3–
Wikipedia NIST
Borax
Na2[B4O5(OH)4]
.8H2O
1 4 Wikipedia NIST
Borax (mineral)
Na2B4O7
.10H2O
1 Wikipedia
Borax glass
Na2B4O7
1 1 Wikipedia NIST
Boric acid, meta
HBO2
2 1 Wikipedia NIST
Boric acid, ortho
H3BO3
10 9 Wikipedia NIST
Boric anhydride
B2O3
3 14 Wikipedia NIST
Boric oxide
B2O3
3 14 Wikipedia NIST
Boron phosphate
BPO4
1 NIST
Boron sesquioxide
B2O3
3 14 Wikipedia NIST
Boron trifluoride etherate 1 2 Wikipedia NIST
Boron trioxide
B2O3
3 14 Wikipedia NIST
BPO4
BPO4
1 NIST
Br2SO
SOBr2
1 1 Wikipedia NIST
Brain sugar 1 Wikipedia NIST
Braunite
3Mn2O3
.MnSiO3
Wikipedia
BrO2
BrO2
1 1 NIST
[BrO3]-
[BrO3]
3 3 Wikipedia NIST
[BrO4]-
[BrO4]
1 Wikipedia NIST
Bromate ion
[BrO3]
3 3 Wikipedia NIST
Bromic acid
HBrO3
2 Wikipedia NIST
Bromine dioxide
BrO2
1 1 NIST
2-Bromo-1-(4-nitrophenyl)ethanone 1 1 NIST
2-Bromo-4-nitroacetophenone 1 1 NIST
Bromoacetate ion
[BrCH2COO]
1 NIST
Bromoacetic acid
CH2BrCOOH
1 Wikipedia NIST
Bromoethanoate ion
[BrCH2COO]
1 NIST
(2R)-2-Bromopropanoate ion 1 1 NIST
(2R)-2-Bromopropanoic acid 2 NIST
N-Bromosuccinimide Wikipedia NIST
Bromosulfonic acid 1 NIST
Bromothymol blue
Bromothymol
Blue
Wikipedia NIST
Brookite
TiO2
1 Wikipedia
[BrO]-
[BrO]
1 2 NIST
BrSO3H 1 NIST
Brucite
Mg(OH)2
Wikipedia
Burnt lime
CaO
7 6 Wikipedia NIST
Butadiene iron tricarbonyl 1 NIST
Butadiene sulfone 1 1 Wikipedia NIST
Butadiene, 1,3-methoxy 2 NIST
Butan-1-ol 4 2 Wikipedia NIST
Butan-2-ol 1 2 Wikipedia NIST
Butanal 5 6 Wikipedia NIST
Butanal cyanohydrin 1 NIST
Butane-1,4-diol 4 3 NIST
Butanedioic acid 2 2 Wikipedia NIST
1,3-Butanediol 1 1 NIST
1,4-Butanediol 4 3 NIST
Butanimide 2 Wikipedia NIST
Butanoate ion 1 NIST
Butanoic acid 6 Wikipedia NIST
1-Butanol 4 2 Wikipedia NIST
2-Butanol 1 2 Wikipedia NIST
tertiary Butanol
(CH3)3COH
7 11 Wikipedia NIST
Butanone 4 2 Wikipedia NIST
Butanone cyanohydrin 1 1 NIST
trans-2-Butenal 1 3 Wikipedia NIST
trans 2-Butene-1,4-diol 1 NIST
cis-Butenedioic acid 1 2 Wikipedia NIST
trans Butenedioic acid 3 2 Wikipedia NIST
trans 2-Butenoic acid 1 Wikipedia NIST
tert Butoxide, potassium 2 2 NIST
Butrophenone 2 NIST
iso-Butyl alcohol 4 1 Wikipedia NIST
n-Butyl alcohol 4 2 Wikipedia NIST
sec-Butyl alcohol 1 2 Wikipedia NIST
tertiary Butyl methyl ether 1 Wikipedia NIST
tertiary Butyl alkoxide
[(CH3)3C–O]
1 2 NIST
cis 4-tertiary Butyl cyclohexanol 1 NIST
1,3-Butylene glycol 1 1 NIST
tertiary-Butylhydroperoxide 1 1 NIST
tertiary Butyl nitrite 1 NIST
tertiary Butyl oxonium ion 2 NIST
2-Butyne-1,4-diol 1 2 NIST
Butyraldehyde 5 6 Wikipedia NIST
Butyric acid 6 Wikipedia NIST
iso-Butyric acid 1 NIST
gamma Butyrolactam 1 Wikipedia NIST
gamma-Butyrolactone 2 3 Wikipedia NIST
C (cysteine) 1 1 Wikipedia NIST
C (cytosine)
Cytosine
C
1 Wikipedia NIST
C2H4O 2 13 Wikipedia NIST
(C2H5O)2SO2
(C2H5O)2SO2
1 1 Wikipedia NIST
C2H6O
CH3CH2OH
15 34 Wikipedia NIST
C2H6O2 6 9 Wikipedia NIST
C3O2
O=C=C=C=O
1 2 Wikipedia NIST
C6H12O6 1 Wikipedia NIST
(C6H5)3COH 1 Wikipedia NIST
(C6H5)3PO
(C6H5)3P=O
1 Wikipedia NIST
C6H5CH2OH 5 1 Wikipedia NIST
C6H5CHO 2 6 Wikipedia NIST
C6H5COCH3 3 2 Wikipedia NIST
C6H5COCl 1 Wikipedia NIST
C6H5CONH2 Wikipedia NIST
C6H5COOH 6 2 Wikipedia NIST
[C6H5COO]- 2 2 Wikipedia NIST
[C6H5CO]+ 3 NIST
C6H5NO 1 Wikipedia NIST
C6H5NO2 3 6 Wikipedia NIST
C6H5OC6H5 NIST
C6H5OCH3 2 Wikipedia NIST
C6H5OH 8 10 Wikipedia NIST
[C6H5O]- 2 7 NIST
C6H5SO2CH3 1 NIST
[C6H5SO2]- 2 NIST
C6H5SO3H 2 1 NIST
[C6H5SO3]- 1 NIST
C6H6N2O2 1 3 Wikipedia NIST
Ca(BO2)2
Ca(BO2)2
NIST
Ca(CH3COO)2
Ca(CH3COO)2
1 Wikipedia NIST
Ca(HCO3)2
Ca(HCO3)2
1 3 Wikipedia NIST
Ca(OCl)2
Ca(OCl)2
.2H2O
1 Wikipedia NIST
Ca(OH)2
Ca(OH)2
7 14 Wikipedia NIST
Ca(OH)2(aq)
Ca(OH)2(aq)
2 1 Wikipedia NIST
Ca3(PO4)2
Ca3(PO4)2
2 3 Wikipedia NIST
CaC2O4
CaC2O4
1 Wikipedia NIST
CaCO3
CaCO3
10 6 Wikipedia NIST
Cadmium oxide
CdO
Wikipedia NIST
Caesium carbonate
Cs2CO3
1 Wikipedia NIST
Calamine
ZnCO3
1 Wikipedia
Calcinated baryta
BaO
4 3 Wikipedia NIST
Calcite
CaCO3
Wikipedia
Calcium acetate
Ca(CH3COO)2
1 Wikipedia NIST
Calcium bicarbonate
Ca(HCO3)2
1 3 Wikipedia NIST
Calcium carbonate
CaCO3
10 6 Wikipedia NIST
Calcium hydrate
Ca(OH)2
7 14 Wikipedia NIST
Calcium hydrogen carbonate
Ca(HCO3)2
1 3 Wikipedia NIST
Calcium hydroxide
Ca(OH)2
7 14 Wikipedia NIST
Calcium hydroxide, saturated soution
Ca(OH)2(aq)
2 1 Wikipedia NIST
Calcium hypochlorite
Ca(OCl)2
.2H2O
1 Wikipedia NIST
Calcium metaborate
Ca(BO2)2
NIST
Calcium oxalate
CaC2O4
1 Wikipedia NIST
Calcium oxide
CaO
7 6 Wikipedia NIST
Calcium phosphate, tribasic
Ca3(PO4)2
2 3 Wikipedia NIST
Calcium silicate
CaSiO3
4 Wikipedia NIST
Calcium sulfate
CaSO4
9 4 Wikipedia NIST
Calcium sulfate dihydrate
CaSO4
.2H2O
2 1 Wikipedia NIST
Calcium sulfate hemihydrate
CaSO4
.½H2O
1 1 Wikipedia NIST
Calcium sulfite
CaSO3.x(H2O)
2 Wikipedia NIST
Calcium tungstate
CaWO4
1 Wikipedia NIST
cAMP
cAMP
Wikipedia NIST
(1R)-(-)-10-Camphorsulfonic acid 1 1 NIST
Cancrinite
Na6Ca2[(CO3)2
| Al6Si6O24]
.2H2O
Wikipedia
Cane sugar
Sucrose
1 Wikipedia NIST
CaO
CaO
7 6 Wikipedia NIST
Caprolactam 2 1 Wikipedia NIST
Caprolactone 1 Wikipedia NIST
Carbamide 4 5 Wikipedia NIST
Carbamylurea 1 Wikipedia NIST
Carbanion, acetone enolate 2 Wikipedia NIST
Carbanion, acetophenone lithium enolate 2 NIST
Carbanion, acetylacetone 1 Wikipedia NIST
Carbanion, benzylphenylsulfone 1 Wikipedia NIST
Carbanion, cyclohexanone enolate 1 Wikipedia NIST
Carbanion, diethyl malonate 1 NIST
Carbanion, dimsyl 1 Wikipedia NIST
Carbanion, dinitro
[(NO2)2CH]
1 Wikipedia NIST
Carbanion, ethyl acetate 3 Wikipedia NIST
Carbanion, ethyl acetoacetate NIST
Carbaryl 2 Wikipedia NIST
Carbenium ion, diamino hydroxy 1 NIST
Carbenium ion, dimethyl hydroxy 1 NIST
Carbenium ion, ethoxy hydroxy methyl 1 NIST
Carbenium ion, hydroxy methyl 1 NIST
Carbolic acid 8 10 Wikipedia NIST
Carbomethene
H2C=C=O
4 4 Wikipedia NIST
Carbon dioxide
CO2
104 35 Wikipedia NIST
Carbon dioxide, aqueous
CO2(aq)
1 Wikipedia NIST
Carbon monoxide
CO
63 59 Wikipedia NIST
Carbon oxysulfide
O=C=S
1 Wikipedia NIST
Carbon suboxide
O=C=C=C=O
1 2 Wikipedia NIST
Carbonate (hydrogen) ion
[HCO3]
4 5 NIST
Carbonate ion
[CO3]2–
1 25 Wikipedia NIST
Carbonic acid
H2CO3
1 Wikipedia NIST
Carbonimid
HNCO
1 NIST
Carbonyl chloride 2 6 Wikipedia NIST
Carbonyl sulfide
O=C=S
1 Wikipedia NIST
3-Carboxy-2-oxo-pentanedioic acid 1 1 Wikipedia NIST
Carnotite
K2(UO2)2(VO4)2
.3H2O
1 Wikipedia
Caro's acid 2 2 Wikipedia NIST
CaSiO3
CaSiO3
4 Wikipedia NIST
CaSO4
CaSO4
9 4 Wikipedia NIST
CaSO4.1/2H2O
CaSO4
.½H2O
1 1 Wikipedia NIST
CaSO4.2H2O
CaSO4
.2H2O
2 1 Wikipedia NIST
Cassiterite
SnO2
Wikipedia
Caustic potash
KOH
12 18 Wikipedia NIST
Caustic soda
NaOH
17 61 Wikipedia NIST
CaWO4
CaWO4
1 Wikipedia NIST
CCl3CH2OH
CCl3CH2OH
1 Wikipedia NIST
CCl3CHO
CCl3CHO
2 Wikipedia NIST
[CCl3COO]-
[CCl3COO]
1 NIST
CCl3NO2
CCl3NO2
NIST
CdO
CdO
Wikipedia NIST
Ce2O3
Ce2O3
1 NIST
Celestine
SrSO4
Wikipedia
Celite
Kieselguhr
1 Wikipedia
Cellobiose
Cellobiose
Wikipedia NIST
Cellosolve 1 Wikipedia NIST
Cellosolve® 1 Wikipedia NIST
Cellulose
Cellulose
2 Wikipedia
Cellulose nitrate
Nitrocellulose
1 1 Wikipedia NIST
CeO2
CeO2
1 Wikipedia NIST
Ceramic fiber
Ceramic
Fiber
Ceramic wool
Ceramic
Fiber
Cerebrose 1 Wikipedia NIST
Ceria
CeO2
1 Wikipedia NIST
Cerium(III) oxide
Ce2O3
1 NIST
Cerium(IV) oxide
CeO2
1 Wikipedia NIST
Cerussite
PbCO3
Wikipedia
Cesium carbonate
Cs2CO3
1 Wikipedia NIST
Cesium hydroxide
CsOH
7 2 Wikipedia NIST
Cesium oxide
Cs2O
2 1 NIST
Cesium peroxide
Cs2O2
2 NIST
Cesium superoxide
CsO2
2 NIST
CF3COOH
CF3COOH
1 Wikipedia NIST
[CF3COO]-
[CF3COO]
1 NIST
CF3SO3H
CF3SO3H
1 Wikipedia NIST
[CF3SO3]-
[CF3SO3]
1 Wikipedia NIST
cGMP
cGTP
Wikipedia NIST
CH2=CHCHO 3 4 Wikipedia NIST
(CH2O)3 1 NIST
(CH2O)n
(CH2O)n
1 1 Wikipedia NIST
CH3(CH2)10COOH
CH3(CH2)10COOH
1 Wikipedia NIST
CH3(CH2)12COOH
CH3(CH2)12COOH
2 Wikipedia NIST
CH3(CH2)14COOH
CH3(CH2)14COOH
6 Wikipedia NIST
CH3(CH2)16COOH
CH3(CH2)16COOH
1 NIST
CH3(CH2)16COOLi
CH3(CH2)16COOLi
Wikipedia NIST
CH3(CH2)18COOH
CH3(CH2)18COOH
Wikipedia NIST
(CH3)2CHOH 9 8 Wikipedia NIST
[(CH3)2CHO]-
[(CH3)2CH–O]
2 1 NIST
(CH3)2CO 15 19 Wikipedia NIST
(CH3)2NCHO 2 2 Wikipedia NIST
(CH3)2O 3 Wikipedia NIST
(CH3)2SO 3 5 Wikipedia NIST
(CH3)3CCOOH
(CH3)3C–COOH
1 NIST
(CH3)3COH
(CH3)3COH
7 11 Wikipedia NIST
(CH3)3COK 2 2 NIST
[(CH3)3CO]-
[(CH3)3C–O]
1 2 NIST
[(CH3)3O]+
[(CH3)3O]+
NIST
[CH3C6H5SO3]- 1 NIST
(CH3CH2)2O 3 17 Wikipedia NIST
[(CH3CH2)3O]+
[(CH3CH2)3O]+
NIST
CH3CH2CH2CH2CH2OH 2 Wikipedia NIST
CH3CH2CH2CH2CHO 1 3 Wikipedia NIST
CH3CH2CH2CH2COOH 3 Wikipedia NIST
CH3CH2CH2CH2OH 4 2 Wikipedia NIST
CH3CH2CH2CHO 5 6 Wikipedia NIST
CH3CH2CH2COOH 6 Wikipedia NIST
[CH3CH2CH2COO]- 1 NIST
CH3CH2CH2OH 4 2 Wikipedia NIST
CH3CH2CHO 3 3 Wikipedia NIST
CH3CH2COCl 1 NIST
CH3CH2COOCH2CH2CH3 1 NIST
CH3CH2COOCH2CH3 1 NIST
CH3CH2COOH
CH3CH2COOH
5 1 Wikipedia NIST
[CH3CH2COO]- 1 NIST
(CH3CH2O)3P
(CH3CH2O)3P
4 Wikipedia NIST
CH3CH2OCH2CH3 3 17 Wikipedia NIST
CH3CH2OH
CH3CH2OH
15 34 Wikipedia NIST
[CH3CH2O]-
CH3CH2O
6 5 NIST
(CH3CH3)3OBF4
[Et3O]+[BF4]
1 Wikipedia NIST
CH3CHO
CH3CHO
13 20 Wikipedia NIST
CH3COCH2CH2CH3 1 5 Wikipedia NIST
CH3COCH2CH3 4 2 Wikipedia NIST
CH3COCH3 15 19 Wikipedia NIST
CH3COCl
CH3COCl
11 Wikipedia NIST
CH3CONH2
CH3CONH2
4 1 Wikipedia NIST
CH3COOCH2CH3 5 4 Wikipedia NIST
CH3COOCH3 2 Wikipedia NIST
CH3COOH
CH3COOH
32 27 Wikipedia NIST
CH3COOH(aq)
CH3COOH(aq)
3 Wikipedia NIST
CH3COONa
CH3COONa
4 2 Wikipedia NIST
CH3COOOH
CH3COOOH
3 4 Wikipedia NIST
[CH3COO]-
[CH3COO]
6 10 Wikipedia NIST
CH3NCO
CH3–N=C=O
1 Wikipedia NIST
CH3NO2
CH3–NO2
1 2 Wikipedia NIST
(CH3O)3P
(CH3O)3P
Wikipedia NIST
CH3OCH2CH2OCH2CH2OCH3 2 Wikipedia NIST
CH3OCH3 3 Wikipedia NIST
CH3OH
CH3OH
19 31 Wikipedia NIST
[CH3O]-
[CH3–O]
1 3 Wikipedia NIST
CH3SOCH3 3 5 Wikipedia NIST
Chalcanthite
CuSO4.5H2O
Wikipedia
Chalcedony
SiO2
Wikipedia
Chalybite
FeCO3
Wikipedia
Chamber crystals
NOHSO4
2 3 NIST
Chile saltpetre
NaNO3
Wikipedia
Chitin
Chitin
Wikipedia
Chloral
CCl3CHO
2 Wikipedia NIST
Chloral hydrate 1 Wikipedia NIST
Chloramine T Wikipedia NIST
D(-) Chloramphemicol base 1 1 Wikipedia NIST
Chloramphenicol base (racemic mixture) 1 1 Wikipedia NIST
D(-) Chloramphenicol 1 Wikipedia NIST
Chlorate ion
[ClO3]
2 5 Wikipedia NIST
Chlorate(I) ion
[ClO]
2 5 Wikipedia NIST
Chlorate(III) ion
[ClO2]
3 Wikipedia NIST
Chlorate(V) ion
[ClO3]
2 5 Wikipedia NIST
Chlorate(VII) ion
[ClO4]
5 Wikipedia NIST
Chlordiazepoxide Wikipedia NIST
Chloric acid
HClO3
2 1 Wikipedia NIST
Chlorinated lime
Ca(OCl)2
.2H2O
1 Wikipedia NIST
Chlorine dioxide
ClO2
6 4 Wikipedia NIST
Chlorine monoxide
Cl2O
1 3 Wikipedia NIST
Chlorine perchlorate
Cl+ [ClO4]
1 NIST
Chlorine peroxide
ClO2
6 4 Wikipedia NIST
Chlorite group
(Mg,Fe)3(Si,Al)4
O10(OH)2.
(Mg,Fe)3(OH)6
Wikipedia
Chlorite ion
[ClO2]
3 Wikipedia NIST
7-Chloro-1,3-dihydro-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one NIST
1-Chloro-2,3-epoxypropane 3 1 Wikipedia NIST
1-Chloro-2-hydroxyethane 1 2 Wikipedia NIST
7-Chloro-2-methylamino-5-phenyl-3H-1,4-benzodiazepin 4-oxide Wikipedia NIST
5-Chloro-2-pentanone 1 NIST
1-Chloro-2-propanol 1 1 NIST
Chloroacetate ion
[ClCH2COO]
1 NIST
Chloroacetic acid
CH2ClCOOH
2 Wikipedia NIST
meta Chlorobenzoic acid 2 NIST
trans 2-chlorocyclohexanol 1 NIST
Chloroethanoate ion
[ClCH2COO]
1 NIST
2-Chloroethanol 1 2 Wikipedia NIST
Chloroformyl chloride 2 6 Wikipedia NIST
Chlorohydrin 1 2 Wikipedia NIST
Chloromycetin 1 Wikipedia NIST
meta Chloroperoxybenzoic acid 3 Wikipedia NIST
Chloropictin
CCl3NO2
NIST
2-Chloropropanoic acid 1 NIST
Chlorosulfonic acid
HSO3Cl
1 2 Wikipedia NIST
Chlorosulfuric acid
HSO3Cl
1 2 Wikipedia NIST
Chlorous acid
HClO2
2 Wikipedia NIST
Chlorous(III) acid
HClO2
2 Wikipedia NIST
Chlorous(I) acid
HClO
6 4 Wikipedia NIST
Chromate ion, hydrogen
[HCrO4]
NIST
Chromate(VI) ion
[CrO4]2–
3 6 Wikipedia NIST
Chrome green
Cr2O3
3 2 Wikipedia NIST
Chromic acid
H2CrO4
2 Wikipedia NIST
Chromic anhydride
CrO3
1 4 Wikipedia NIST
Chromic oxide
Cr2O3
3 2 Wikipedia NIST
Chromite
FeCr2O4
2 Wikipedia
Chromium carbonyl
Cr(CO)6
Wikipedia NIST
Chromium trioxide
CrO3
1 4 Wikipedia NIST
Chromium(II) hexahydrated ion

[Cr(H2O)6]2+

3 NIST
Chromium(II) oxide
CrO
Wikipedia NIST
Chromium(III) dichlorotetraaqua ion
[CrCl2(H2O)4]+
1 1 NIST
Chromium(III) hexahydrated ion

[Cr(H2O)6]2+

3 9 NIST
Chromium(III) hexahydroxy ion

[Cr(OH)6]3–

2 1 NIST
Chromium(III) hydroxide
Cr(OH)3
NIST
Chromium(III) oxide
Cr2O3
3 2 Wikipedia NIST
Chromium(III) pentaaquahydroxy ion

Cr(H2O)5(OH)]2+

2 NIST
Chromium(III) triaquatrihydroxy complex

Cr(H2O)3(OH)3
Cr(OH)3

3 3 NIST
Chromium(IV) oxide
CrO2
Wikipedia NIST
Chromium(VI) oxide
CrO3
1 4 Wikipedia NIST
Chrysoberyl
BeAl2O4
1 Wikipedia
Cinnamaldehyde 3 Wikipedia NIST
cis Cinnamate ion 1 NIST
trans Cinnamate ion 1 NIST
cis Cinnamic acid 1 NIST
trans Cinnamic acid 1 Wikipedia NIST
Cinnamyl alcohol 2 Wikipedia NIST
Citrate (dihydrogen) ion 1 1 NIST
Citrate (hydrogen) ion 1 1 NIST
Citrate ion 1 NIST
Citric acid 2 1 Wikipedia NIST
Cl(ClO4)
Cl+ [ClO4]
1 NIST
Cl2O
Cl2O
1 3 Wikipedia NIST
Cl2O7
Cl2O7
1 1 Wikipedia NIST
ClCH2CH2OH 1 2 Wikipedia NIST
ClCHO 1 NIST
ClCOOCH3
ClCOOCH3
1 NIST
Clinozoisite
Ca2Al3Si3
O12(OH)
Wikipedia
ClO2
ClO2
6 4 Wikipedia NIST
[ClO2]-
[ClO2]
3 Wikipedia NIST
ClO3H
HClO3
2 1 Wikipedia NIST
[ClO3]-
[ClO3]
2 5 Wikipedia NIST
[ClO4]-
[ClO4]
5 Wikipedia NIST
[ClO]-
[ClO]
2 5 Wikipedia NIST
CO
CO
63 59 Wikipedia NIST
[Co(C2O4)3]4-
[Co(C2O4)3]4–
1 NIST
[Co(EDTA)]2-
[Co(EDTA)]3–
2 NIST
Co(H2O)4(OH)2

Co(H2O)4(OH)2
Co(OH)2

3 1 NIST
[Co(H2O)6]2+

[Co(H2O)6]2+

4 10 NIST
Co(OH)2
Co(OH)2
1 NIST
Co(OH)3
Co(OH)3
1 NIST
CO2
CO2
104 35 Wikipedia NIST
CO2(aq)
CO2(aq)
1 Wikipedia NIST
Co2(CO)8
Co2(CO)8
Wikipedia NIST
Co2(CO)8
Co2(CO)8
1 1 NIST
Co2O3
Co2O3
Wikipedia NIST
Co3O4
Co3O4
NIST
[CO3]2-
[CO3]2–
1 25 Wikipedia NIST
Coal gas
CO + H2
1 Wikipedia NIST
Cobalt black
Co2O3
Wikipedia NIST
Cobalt bloom
Co3(AsO4)2
.8H2O
1 Wikipedia
Cobalt tetracarbonyl
Co2(CO)8
1 1 NIST
Cobalt(II) carbonate

CoCO3

1 Wikipedia NIST
Cobalt(II) EDTA complex ion
[Co(EDTA)]3–
2 NIST
Cobalt(II) hexahydrated ion

[Co(H2O)6]2+

4 10 NIST
Cobalt(II) hydroxide
Co(OH)2
1 NIST
Cobalt(II) oxide
CoO
Wikipedia NIST
Cobalt(II) sulfate
CoSO4
1 NIST
Cobalt(II) tetraaquadihydroxy complex

Co(H2O)4(OH)2
Co(OH)2

3 1 NIST
Cobalt(II) tris(ethanedioate) complex ion
[Co(C2O4)3]4–
1 NIST
Cobalt(II,III) oxide
Co3O4
NIST
Cobalt(III) hydroxide
Co(OH)3
1 NIST
Cobalt(III) oxide
Co2O3
Wikipedia NIST
Cobalt(IV) oxide
CoO2
NIST
Cobaltic oxide
Co2O3
Wikipedia NIST
Cocaine Wikipedia NIST
(COCl)2 Wikipedia NIST
COCl2 2 6 Wikipedia NIST
CoCO3

CoCO3

1 Wikipedia NIST
Codeine Wikipedia NIST
Coenzyme A
CoA–SH
2 1 Wikipedia NIST
Colemanite
Ca2B6O11
.5H2O
Wikipedia
Columbite
(Fe,Mn)Nb2O6
Wikipedia
CoO
CoO
Wikipedia NIST
CoO2
CoO2
NIST
(COOH)2 5 2 Wikipedia NIST
Copper carbonate hydroxide
CuCO3.
Cu(OH)2
Wikipedia NIST
Copper(I) oxide
Cu2O
4 1 Wikipedia NIST
Copper(II) carbonate
CuCO3
(unknown)
2 1 Wikipedia NIST
Copper(II) carbonate, basic
2CuCO3.
Cu(OH)2
Wikipedia NIST
Copper(II) EDTA complex ion
[Cu(EDTA)]2–
2 NIST
Copper(II) hexahydrated ion

[Cu(H2O)6]2+

3 8 NIST
Copper(II) hydroxide
Cu(OH)2
2 1 Wikipedia NIST
Copper(II) nitrate
Cu(NO3)2
4 1 Wikipedia NIST
Copper(II) oxide
CuO
4 4 Wikipedia NIST
Copper(II) sulfate.5H2O
CuSO4.5H2O
1 2 Wikipedia NIST
Copper(II) sulfate
CuSO4
2 4 Wikipedia NIST
Copper(II) tetraaquadihydroxy complex

Cu(H2O)4(OH)2
Cu(OH)2

3 1 NIST
Cordierite
(Mg,Fe)2Al4Si5O18
Wikipedia
Corundum
Al2O3
Corundum
Wikipedia
Corundum
Al2O3
Wikipedia
COS
O=C=S
1 Wikipedia NIST
CoSO4
CoSO4
1 NIST
Coumarin Wikipedia NIST
Coumaron Wikipedia NIST
Cr(CO)6
Cr(CO)6
Wikipedia NIST
Cr(H2O)3(OH)3

Cr(H2O)3(OH)3
Cr(OH)3

3 3 NIST
[Cr(H2O)5(OH)]2+

Cr(H2O)5(OH)]2+

2 NIST
[Cr(H2O)6]2+

[Cr(H2O)6]2+

3 NIST
[Cr(H2O)6]3+

[Cr(H2O)6]2+

3 9 NIST
Cr(OH)3
Cr(OH)3
NIST
[Cr(OH)6]3-

[Cr(OH)6]3–

2 1 NIST
Cr2O3
Cr2O3
3 2 Wikipedia NIST
[Cr2O7]2-
[Cr2O7]2–
1 13 Wikipedia NIST
Crack cocaine Wikipedia NIST
Crack gas
CO + 3H2
Crack Gas
1 Wikipedia NIST
[CrCl2(H2O)4]+
[CrCl2(H2O)4]+
1 1 NIST
CrO
CrO
Wikipedia NIST
CrO2
CrO2
Wikipedia NIST
CrO3
CrO3
1 4 Wikipedia NIST
[CrO4]-
[CrO4]2–
3 6 Wikipedia NIST
Crocoite
PbCrO4
Wikipedia
Cross-linked grafted polyethylene 1 NIST
Crotonaldehyde 1 3 Wikipedia NIST
Crotonic acid 1 Wikipedia NIST
18-Crown-6 4 Wikipedia NIST
Cs2CO3
Cs2CO3
1 Wikipedia NIST
Cs2O
Cs2O
2 1 NIST
Cs2O2
Cs2O2
2 NIST
CsO2
CsO2
2 NIST
CsOH
CsOH
7 2 Wikipedia NIST
CsSO3
CaSO3.x(H2O)
2 Wikipedia NIST
[Cu(EDTA)]2-
[Cu(EDTA)]2–
2 NIST
[Cu(H2O)4(OH)2]

Cu(H2O)4(OH)2
Cu(OH)2

3 1 NIST
[Cu(H2O)6]2+

[Cu(H2O)6]2+

3 8 NIST
[Cu(NH3)4(H2O)2]2+

[Cu(NH3)4(H2O)2]2+

2 NIST
Cu(NO3)2
Cu(NO3)2
4 1 Wikipedia NIST
Cu(OH)2
Cu(OH)2
2 1 Wikipedia NIST
Cu2O
Cu2O
4 1 Wikipedia NIST
CuCO3
CuCO3
(unknown)
2 1 Wikipedia NIST
CuCO3.Cu(OH)2
CuCO3.
Cu(OH)2
Wikipedia NIST
2CuCO3.Cu(OH)2
2CuCO3.
Cu(OH)2
Wikipedia NIST
Cumene hydroperoxide 1 1 NIST
CuO
CuO
4 4 Wikipedia NIST
Cupric carbonate
CuCO3
(unknown)
2 1 Wikipedia NIST
Cupric carbonate, basic
CuCO3.
Cu(OH)2
Wikipedia NIST
Cupric hydroxide
Cu(OH)2
2 1 Wikipedia NIST
Cupric nitrate
Cu(NO3)2
4 1 Wikipedia NIST
Cupric oxide
CuO
4 4 Wikipedia NIST
Cupric sulfate pentahydrate
CuSO4.5H2O
1 2 Wikipedia NIST
Cupric sulfate, anhydrous
CuSO4
2 4 Wikipedia NIST
Cuprite
Cu2O
1 Wikipedia
Cuprous oxide
Cu2O
4 1 Wikipedia NIST
CuSO4
CuSO4.5H2O
1 2 Wikipedia NIST
CuSO4
CuSO4
2 4 Wikipedia NIST
CuSO4.5H2O
CuSO4.5H2O
1 2 Wikipedia NIST
Cyanate ion
[NCO]
3 4 Wikipedia NIST
Cyanic acid
HNCO
1 NIST
Cyanoacetate ion 1 NIST
Cyanoacetic acid 1 NIST
1-Cyanobutan-1-ol 1 NIST
3-Cyanopropanoate 1 NIST
Cyclic adenosine monophosphate
cAMP
Wikipedia NIST
Cyclic AMP
cAMP
Wikipedia NIST
Cyclic GMP
cGTP
Wikipedia NIST
Cyclobutanone 1 NIST
Cycloheptatriene chromium tricarbonyl 1 NIST
2,5-Cyclohexadiene-1,4-dione 3 1 Wikipedia NIST
Cyclohexane carboxylic acid 1 1 NIST
Cyclohexanol 5 3 Wikipedia NIST
Cyclohexanol, cis 4-tertiary butyl 1 NIST
Cyclohexanone 5 5 Wikipedia NIST
Cyclohexanone enolate ion 1 Wikipedia NIST
Cyclohexanone oxime 3 1 NIST
Cyclohexene oxide 2 1 NIST
3-Cyclohexene carboxaldehyde 1 NIST
2-Cyclohexenol 2 NIST
2-Cyclohexenone 4 2 Wikipedia NIST
Cyclonite 1 3 Wikipedia NIST
2,4-Cyclopentadienone 1 NIST
Cyclopentane carboxylate ion 1 1 NIST
Cyclopentane carboxylic acid 1 NIST
Cyclopentanol 2 Wikipedia NIST
Cyclopentanone 2 2 Wikipedia NIST
2-Cyclopentenol 2 NIST
2-Cyclopentenone 2 NIST
Cyclopropane carboxylate ion 1 NIST
Cyclopropane carboxylic acid 1 NIST
Cyclopropane methanol NIST
1-Cyclopropylethanone 1 NIST
Cyclopropylmethyl ketone 1 NIST
Cyclotetramethylenetetranitramine 1 Wikipedia NIST
Cyclotrimethylenetrinitramine 1 3 Wikipedia NIST
Cys 1 1 Wikipedia NIST
Cysteine 1 1 Wikipedia NIST
Cysteine, deprotonated 1 1 Wikipedia NIST
Cysteine, doubly-deprotonated 1 Wikipedia NIST
Cysteine, protonated 1 Wikipedia NIST
Cytosine
Cytosine
C
1 Wikipedia NIST
Cytosine/Guanine dimer
C≡G
1 NIST
D (aspartic acid) 1 1 Wikipedia NIST
D2O
D2
1 Wikipedia NIST
DBTDL
DBTDL
1 NIST
cis beta-Decalone 4 NIST
trans beta-Decalone 4 NIST
Descloizite
Pb(Zn,Cu)
VO4(OH)
Wikipedia
Detergent, WAS 2 Wikipedia NIST
Deuterium oxide
D2
1 Wikipedia NIST
Dextrose 6 5 Wikipedia NIST
DHMO
H2O
529 531 Wikipedia NIST
Di-n-butyldilauraltin
DBTDL
1 NIST
Diaboletite
Pb2CuCl2(OH)4
Diacetone alcohol 1 1 NIST
Diacetylmorphine 1 Wikipedia NIST
Diammonium peroxodisulfate
(NH4)2S2O8
2 1 NIST
Diamorphine 1 Wikipedia NIST
Diaspore
AlO(OH)
1 Wikipedia
Diatomaceous earth
Kieselguhr
1 Wikipedia
Diazepam NIST
Dibenzoyl peroxide
(C6H5COO)2
3 Wikipedia NIST
Di-tertary-butoxycarbonate 1 NIST
Dibutyltin dilayrate
DBTDL
1 NIST
Dichlorine heptoxide
Cl2O7
1 1 Wikipedia NIST
Dichlorine monoxide
Cl2O
1 3 Wikipedia NIST
D(-)threo-2,2-Dichloro-N-[b-hydroxy-a-(hydroxymethyl)-p-nitrophenyl]acetamide 1 Wikipedia NIST
Dichloroacetate ion
[CHCl2COO]
1 NIST
Dichloroacetic acid
CHCl2COOH
2 Wikipedia NIST
Dichlorotetraaquachromium(III) ion
[CrCl2(H2O)4]+
1 1 NIST
Dichlorotetraaquavanadium(III) ion

[VCl2(H2O)4]+

2 2 NIST
Dichromate(VI) ion
[Cr2O7]2–
1 13 Wikipedia NIST
Dicobalt octacarbonyl
Co2(CO)8
Wikipedia NIST
Dicobalt octacarbonyl
Co2(CO)8
1 1 NIST
12,12-Diethoxy-9,10-dihydro-9,10-ethano-10a-azonaanthracene 1 NIST
1,1-Diethoxyethene 2 NIST
Diethyl adipate 1 NIST
Diethyl malonate 1 Wikipedia NIST
Diethyl malonate carbanion 1 NIST
Diethyl sulfate
(C2H5O)2SO2
1 1 Wikipedia NIST
5,5-Diethylbarbituric acid Wikipedia NIST
Diethylene dioxide 2 1 Wikipedia NIST
Diethylene glycol dimethyl ether 2 Wikipedia NIST
Diethylether 3 17 Wikipedia NIST
Diethylisopropyl malonate 1 NIST
Diethyloxonium ion 1 NIST
Diformyl 1 1 Wikipedia NIST
Diglyme 2 Wikipedia NIST
3,4-Dihydro-1(2H)-naphthalenone 4 NIST
Dihydrogen arsenate ion
[H2AsO4]
1 1 NIST
Dihydrogen citrate ion 1 1 NIST
Dihydrogen germanate ion
[H2GeO4]2–
1 NIST
Dihydrogen monoxide
H2O
529 531 Wikipedia NIST
Dihydrogen phosphate ion
[H2PO4]
1 3 NIST
3,4-Dihydro-2H-pyran NIST
2,5-Dihydrothiophene-1,1-dioxide 1 1 Wikipedia NIST
(-)-3,4-Dihydroxy-1-[1-hydroxy-2-(methylamino)ethyl]benzene Wikipedia NIST
2,4-Dihydroxy-5-methylpyrimidine
Thymine
T
1 Wikipedia NIST
Dihydroxyacetone Wikipedia NIST
9,10-Dihydroxyanthracene 1 1 NIST
1,4-Dihydroxybenzene 2 Wikipedia NIST
1,3-Dihydroxybutane 1 1 NIST
d/l-2,3-Dihydroxybutanedioic acid 2 Wikipedia NIST
1,2-Dihydroxyethane 6 9 Wikipedia NIST
Dihydroxymethyl carbenium ion 1 NIST
2,2-Dihydroxymethyl-1,3-propanediol 1 1 Wikipedia NIST
(2R)-2,3-Dihydroxypropanal 1 NIST
1,3-Dihydroxypropanone Wikipedia NIST
Diiron nonacarbonyl
Fe2(CO)9
1 Wikipedia NIST
Diketene 1 Wikipedia NIST
2,5-Diketotetrahydrofuran 2 NIST
Dilute nitric acid
HNO3(aq)
3 3 Wikipedia NIST
Dilute sodium hydroxide
NaOH(aq)
5 37 Wikipedia NIST
Dilute sulfuric acid
H2SO4(aq)
3 11 Wikipedia NIST
Dimanganese decacarbonyl
Mn2(CO)10
Wikipedia NIST
cis Dimethyl butendioate 1 NIST
cis Dimethyl butendioate anhydride 4 8 Wikipedia NIST
trans Dimethyl butendioate 1 NIST
Dimethyl ether 3 Wikipedia NIST
Dimethyl fumarate 1 NIST
Dimethyl ketone 15 19 Wikipedia NIST
Dimethyl maleate 1 NIST
Dimethyl (4R,5S)-cyclohexene-4,5-dicarboxylate 1 NIST
Dimethyl (4S,5S)-cyclohexene-4,5-dicarboxylate 1 NIST
4,4-Dimethyl-1,3-dioxane 1 1 NIST
3,3-Dimethyl-2-butanone 1 1 Wikipedia NIST
4,5-Dimethyl-4-cyclohexene-1,2-dicarboxylic acid anhydride 1 NIST
3-[2-(Dimethylamino)ethyl]indol-4-ol Wikipedia NIST
4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt
Methyl
Orange
Wikipedia NIST
4-[4-(Dimethylamino)phenylazo]benzoic acid
Methyl
Red
Wikipedia NIST
alpha, alpha-Dimethylbenzyl hydroperoxide 1 1 NIST
3,3-Dimethylbutan-2-one 1 1 Wikipedia NIST
Dimethyldioxirane 1 Wikipedia NIST
Dimethylether/Hydrogen fluoride Complex 1 NIST
Dimethylformamide 2 2 Wikipedia NIST
Dimethylformamide, protonated 1 NIST
Dimethylhydroxy carbenium ion 1 NIST
Dimethyloxonium ion 1 NIST
Dimethylphosphoramidocyanic acid, ethyl ester Wikipedia NIST
2,2-Dimethylpropanoic acid
(CH3)3C–COOH
1 NIST
2,2-Dimethylpropanoic acid 1 NIST
Dimethylsulfoxide 3 5 Wikipedia NIST
Dimethylsulfoxide anion 1 Wikipedia NIST
Dimethylsulfoxide, protonated 1 NIST
Dimsyl ion 1 Wikipedia NIST
Dinitrogen monoxide
N2O
4 2 Wikipedia NIST
Dinitrogen pentoxide
N2O5
2 4 Wikipedia NIST
Dinitrogen tetroxide
N2O4
2 6 NIST
Dinitrogen trioxide
N2O3
2 2 Wikipedia NIST
Dinitromethane
(NO2)2CH2
1 NIST
Dinitromethane anion
[(NO2)2CH]
1 Wikipedia NIST
2,4-Dinitrophenol 1 Wikipedia NIST
2,4-Dinitrophenoxide ion 1 NIST
2,4-Dinitrophenyl hydrazine Wikipedia NIST
Diopside
MgCaSi2O6
Wikipedia
Dioptase
CuSiO2(OH)2
Wikipedia
1,4-Dioxane 2 1 Wikipedia NIST
1,4-Dioxane, protonated 1 NIST
Dioxide, lead
PbO2
4 Wikipedia NIST
1,3-Dioxolan-2-one 1 1 Wikipedia NIST
Dioxovanadium(V) ion

[VO2]+
[VO(H2O)5]3+

2 3 NIST
Dioxygen
O2
60 163 Wikipedia NIST
Dioxygen cation
[O–O]+
1 NIST
Dioxygen difluoride
O2F2
1 Wikipedia NIST
Diphenyl ether NIST
Diphenylketone 4 3 Wikipedia NIST
Diphenylmethanol 1 Wikipedia NIST
Dirhenium heptoxide
Re2O7
Wikipedia NIST
Disodium oxalate 2 1 Wikipedia NIST
Disodium peroxodisulfate
Na2S2O8
1 NIST
Disthene
Al2SiO5
Wikipedia
Disulfite ion 2 NIST
Disulfuric acid
H2S2O7
1 6 Wikipedia NIST
Disulfurous acid 1 NIST
Dithionate ion 2 Wikipedia NIST
Dithionic acid 1 NIST
Dithionite ion 1 3 Wikipedia NIST
Dithionous acid 1 NIST
Dithiosulfatosilver(I) ion
[Ag(S2O3)2]3–
3 NIST
DMDO 1 Wikipedia NIST
DMF 2 2 Wikipedia NIST
DMSO 3 5 Wikipedia NIST
DMSO anion 1 Wikipedia NIST
Dodecanoic acid
CH3(CH2)10COOH
1 Wikipedia NIST
DOH
DOH
1 NIST
Dolomite
CaMg(CO3)2
Wikipedia
Dolophine, Amidone, Methadose, Physeptone, Heptadon Wikipedia NIST
Dumortierite
(Al,Fe)7BSi3O18
Wikipedia
Dy2O3
Dy2O3
NIST
Dysprosia
Dy2O3
NIST
Dysprosium oxide
Dy2O3
NIST
E (glutamic acid) 1 1 Wikipedia NIST
EDTA 1 Wikipedia NIST
EDTA dianion 1 1 NIST
EDTA monoanion 1 1 NIST
EDTA tetraanion 5 NIST
EDTA trianion 1 1 NIST
Eicosanic acid
CH3(CH2)18COOH
Wikipedia NIST
(5Z, 8Z, 11Z, 14Z, 17Z)-Eicosapentaeneoic acid
EPA
Wikipedia NIST
(5Z, 8Z, 11Z, 15Z)-Eicosatetraenoic acid
Arachidonic
Acid
Wikipedia NIST
Eigen Cation 1 Wikipedia NIST
Enstatite
MgSiO3
Wikipedia
EO 2 13 Wikipedia NIST
EPA
EPA
Wikipedia NIST
Epichlorohydrin 3 1 Wikipedia NIST
Epidote
Ca2(Al,Fe)3
Si3O12(OH)
Wikipedia
Epinephrine Wikipedia NIST
1,4-Epoxy-1,3-butadiene 1 Wikipedia NIST
Epoxyethane 2 13 Wikipedia NIST
Epsom salt
MgSO4.7H2O
Wikipedia
Epsomite
MgSO4.7H2O
Wikipedia
Equisetic acid 1 1 Wikipedia NIST
Er2O3
Er2O3
Wikipedia NIST
Erbia
Er2O3
Wikipedia NIST
Erbium(III) oxide
Er2O3
Wikipedia NIST
Erythrite
Co3(AsO4)2
.8H2O
1 Wikipedia
D-Erythrose 1 1 Wikipedia NIST
D-Erythrulose Wikipedia NIST
Et2O 3 17 Wikipedia NIST
Et3OBF4
[Et3O]+[BF4]
1 Wikipedia NIST
[Et3O]+
[(CH3CH2)3O]+
NIST
EtCOOEt 1 NIST
Ethanal
CH3CHO
13 20 Wikipedia NIST
Ethanal enolate 1 Wikipedia NIST
Ethanamide
CH3CONH2
4 1 Wikipedia NIST
Ethane 1,2-diol mono anion 2 1 NIST
Ethane, 1,2-epoxy 2 13 Wikipedia NIST
Ethane-1,2-diol 6 9 Wikipedia NIST
Ethanedial 1 1 Wikipedia NIST
Ethanedioate ion
[C2O4]2–
1 13 Wikipedia NIST
Ethanedioic acid 5 2 Wikipedia NIST
Ethanedioyl chloride Wikipedia NIST
Ethanoate ion
[CH3COO]
6 10 Wikipedia NIST
Ethanoic acid
CH3COOH
32 27 Wikipedia NIST
Ethanoic acid, aqueous
CH3COOH(aq)
3 Wikipedia NIST
Ethanoic acid, sodium salt
CH3COONa
4 2 Wikipedia NIST
Ethanoic anhydride
(CH3CO)2CO
4 12 Wikipedia NIST
Ethanol
CH3CH2OH
15 34 Wikipedia NIST
Ethanolamine 1 3 Wikipedia NIST
Ethanolamine, protonated 1 NIST
1,12-Ethanoperylene-13,14-dioic anhydride 1 NIST
Ethanoyl cation
[CH3CO]+
1 13 NIST
Ethanoyl chloride
CH3COCl
11 Wikipedia NIST
2-Ethanoyloxybenzoic acid 2 Wikipedia NIST
2-Ethanoyloxyethyl ethanoate 1 1 NIST
Ethenone
H2C=C=O
4 4 Wikipedia NIST
Ethenyl ethanoate 3 1 Wikipedia NIST
Ether, allyl phenyl 1 NIST
Ether, diphenyl NIST
Ether, ethyl isopropyl 1 NIST
Ethoxide ion
CH3CH2O
6 5 NIST
2-Ethoxyethanol 1 Wikipedia NIST
(1-Ethoxy ethenyl) benzene 2 NIST
2-(2-Ethoxyethoxy)ethanol 1 Wikipedia NIST
Ethyl 2-oxocyclopentanecarboxylate 1 1 NIST
Ethyl 3-oxobutanoate 2 Wikipedia NIST
Ethyl acetate 5 4 Wikipedia NIST
Ethyl acetoacetate 2 Wikipedia NIST
Ethyl acetoacetate anion NIST
Ethyl alcohol
CH3CH2OH
15 34 Wikipedia NIST
Ethyl ethanoate 5 4 Wikipedia NIST
Ethyl ether 3 17 Wikipedia NIST
Ethyl ethyl hexanedioate 1 NIST
Ethyl hydrogensulfate 1 1 NIST
Ethyl hydrogensulphate 1 1 NIST
Ethyl isopropyl ether 1 NIST
Ethyl propanoate 1 NIST
Ethyl propionate 1 NIST
5-Ethyl-5-(1-methylbutyl)-2-thiobarbiturate sodium salt Wikipedia NIST
N-Ethylacetamide 1 NIST
Ethylacetate anion 3 Wikipedia NIST
Ethylacetate, protonated 1 NIST
Ethylene carbonate 1 1 Wikipedia NIST
Ethylene chlorohydrin 1 2 Wikipedia NIST
Ethylene cyanohydrin 1 3 NIST
Ethylene glycol 6 9 Wikipedia NIST
Ethylene glycol anion 2 1 NIST
Ethylene glycol diacetate 1 1 NIST
Ethylene glycol diacetate 1 1 NIST
Ethylene glycol dianion 1 NIST
Ethylene glycol ethyl ether 1 Wikipedia NIST
Ethylene oxide 2 13 Wikipedia NIST
Ethyleneacetic acid 1 NIST
Ethylenediamine tetraacetic acid 1 Wikipedia NIST
Ethylenediaminetetraacetic acid dianion 1 1 NIST
Ethylenediaminetetraacetic acid mono anion 1 1 NIST
Ethylenediaminetetraacetic acid tetraanion 5 NIST
Ethylenediaminetetraacetic acid trianion 1 1 NIST
Ethylethanamide 1 NIST
Ethyloxonium ion 1 2 NIST
(EtO)3P
(CH3CH2O)3P
4 Wikipedia NIST
EtOEt 3 17 Wikipedia NIST
EtOH
CH3CH2OH
15 34 Wikipedia NIST
EtOiPr 1 NIST
[EtO]-
CH3CH2O
6 5 NIST
Eu2O3
Eu2O3
NIST
Euclase
BeAlSiO4(OH)
Wikipedia
Eugenol 1 NIST
Europium(III) oxide
Eu2O3
NIST
F (phenylalanine) 1 1 Wikipedia NIST
F2O
OF2
1 Wikipedia NIST
F2O2
O2F2
1 Wikipedia NIST
F2SO
SOF2
1 1 Wikipedia NIST
Fatty acid alkali metal salt
Soap
1 Wikipedia
[Fe(C2O4)3]3-
[Fe(C2O4)3]3–
2 NIST
Fe(CO)5
Fe(CO)5
1 2 Wikipedia NIST
Fe(H2O)3(OH)3

Fe(H2O)3(OH)3
Fe(OH)3

5 1 NIST
Fe(H2O)4(OH)2

Fe(H2O)4(OH)2
Fe(OH)2

4 1 NIST
[Fe(H2O)5(OH)]2+

[Co(NH3)6]2+

1 NIST
[Fe(H2O)5(SCN)]2+

[Fe(H2O)5(SCN)]2+

1 NIST
[Fe(H2O)6]2+

[Fe(H2O)6]2+

3 10 NIST
[Fe(H2O)6]3+

[Fe(H2O)6]3+

6 9 NIST
Fe(NO3)3.9H2O
Fe(NO3)3
.9H2O
1 Wikipedia NIST
Fe(OH)2
Fe(OH)2
1 Wikipedia NIST
Fe(OH)3
Fe(OH)3
3 Wikipedia NIST
Fe2(CO)9
Fe2(CO)9
1 Wikipedia NIST
Fe2(SO4)3.5H2O
Fe2(SO4)3
.5H2O
2 Wikipedia NIST
Fe2O3
Fe2O3
4 5 Wikipedia NIST
FeC2O4
FeC2O4
1 1 NIST
FeCO3
FeCO3
2 Wikipedia NIST
FeO
FeO
3 Wikipedia NIST
FeO.Fe2O3
FeO.Fe2O3
1 2 Wikipedia NIST
Ferberite
FeWO4
Wikipedia
Ferric hydroxide
Fe(OH)3
3 Wikipedia NIST
Ferric oxide
Fe2O3
4 5 Wikipedia NIST
Ferrous carbonate
FeCO3
2 Wikipedia NIST
Ferrous hydroxide
Fe(OH)2
1 Wikipedia NIST
Ferrous oxalate
FeC2O4
1 1 NIST
Ferrous oxide
FeO
3 Wikipedia NIST
Ferrous tungstate
FeWO4
1 NIST
FeSO4.7H2O
FeSO4.7H2O
1 2 NIST
FeSO4Cl
FeSO4Cl
1 NIST
FeWO4
FeWO4
1 NIST
Fiber, ceramic
Ceramic
Fiber
Fiber, rock
Rock Fiber
Wikipedia
Fiber, slag
Slag Fiber
Fiberglass
Glass Fiber
Wikipedia
Fibrolite
Al2SiO5
Flowers of antimony
Sb2O3
2 2 Wikipedia NIST
Fluorine dioxide
O2F2
1 Wikipedia NIST
Fluorine monoxide
OF2
1 Wikipedia NIST
Fluorosulfonate ion
[FSO3]
1 NIST
Fluorosulfonic acid
HSO3F
2 2 Wikipedia NIST
Fluorosulfonic acid.antimony(V) pentafluoride
H+[SbF6]
.SO3
Wikipedia NIST
FOH
HOF
2 1 NIST
Formaldehyde
HCHO
6 25 Wikipedia NIST
Formaldehyde solution 1 1 Wikipedia NIST
Formaldehyde, protonated 1 NIST
Formalin 1 1 Wikipedia NIST
Formamide
HCONH2
2 2 Wikipedia NIST
Formate ion
[HCOO]
1 Wikipedia NIST
Formic acid
HCOOH
7 2 Wikipedia NIST
Formyl cation 1 2 NIST
Formyl chloride 1 NIST
Formylformic acid 1 Wikipedia NIST
Formylmethanoic acid 1 Wikipedia NIST
Fossil flour
Kieselguhr
1 Wikipedia
[FO]-
[FO]
1 NIST
Franklinite
(Zn,Mn2+,Fe2+)
(Fe3+,Mn3+)2O4
1 Wikipedia
Fremy's salt
(KSO3)2NO
1 Wikipedia NIST
D-Fructose 1 1 Wikipedia NIST
Fruit sugar 1 1 Wikipedia NIST
[FSO3]-
[FSO3]
1 NIST
Fulminate ion
[O=N=C]
2 Wikipedia NIST
Fulminic acid
H–O=N=C
1 Wikipedia NIST
Fumarate (hydrogen) ion 1 1 NIST
Fumarate dianion 1 NIST
Fumaric acid 3 2 Wikipedia NIST
Fuming nitric acid
HNO3
fuming
2 3 Wikipedia NIST
Furan 1 Wikipedia NIST
Fused quartz
Quartz Glass
SiO2
Wikipedia NIST
Fused sodium borate
Na2B4O7
1 1 Wikipedia NIST
G (glycine) 1 5 Wikipedia NIST
G (guanine)
Guanine
G
1 Wikipedia NIST
GA Wikipedia NIST
Ga2O3
Ga2O3
1 NIST
Gadolinia
Gd2O3
Wikipedia NIST
Gadolinium(III) oxide
Gd2O3
Wikipedia NIST
D-Galactose 1 Wikipedia NIST
Gallium oxide
Ga2O3
1 NIST
Gas, coal
CO + H2
1 Wikipedia NIST
Gas, crack
CO + 3H2
Crack Gas
1 Wikipedia NIST
Gas, laughing
N2O
4 2 Wikipedia NIST
Gas, methanol synthesis
CO + 2H2
1 NIST
Gas, oxo
CO + H2
Oxo Gas
2 NIST
Gas, producer
CO + 2N2
producer gas
1 Wikipedia NIST
Gas, synthesis
CO/H2
Syngas
6 6 Wikipedia NIST
Gas, town
CO + H2
1 Wikipedia NIST
Gas, water
CO + H2
water gas
1 Wikipedia NIST
GB Wikipedia NIST
GD Wikipedia NIST
Gd2O3
Gd2O3
Wikipedia NIST
GDP
GDP
1 Wikipedia NIST
GeO2
GeO2
1 3 Wikipedia NIST
Germanate (dihydrogen) ion
[H2GeO4]2–
1 NIST
Germanate (trihydrogen) ion
[H3GeO4]
1 1 NIST
Germanic acid
H4GeO4
1 NIST
Germanium dioxide
GeO2
1 3 Wikipedia NIST
Glacial acetic acid
CH3COOH
32 27 Wikipedia NIST
Glass fiber
Glass Fiber
Wikipedia
Glass wool
Glass Fiber
Wikipedia
Glass, lead
Lead Crystal
Glass
1 Wikipedia
Glass, Pyrex®
Pyrex®
1 Wikipedia
Glass, quartz
Quartz Glass
SiO2
Wikipedia NIST
Glass, soda-lime
Soda-Lime
Glass
1 Wikipedia
Glauber's salt
Na2SO4
.10H2O
Wikipedia NIST
Glaubertite
Na2SO4
.CaSO4
Glaucophane
□Na2(Mg3Al2)
Si8O22(OH)22
Wikipedia
Gln 1 1 Wikipedia NIST
Glu 1 1 Wikipedia NIST
Glucitol 1 Wikipedia NIST
D-(+) Glucose 6 5 Wikipedia NIST
Glutamic acid 1 1 Wikipedia NIST
Glutamic acid, deprotonated 1 1 Wikipedia NIST
Glutamic acid, doubly-deprotonated 1 Wikipedia NIST
Glutamic acid, protonated 1 Wikipedia NIST
Glutamine 1 1 Wikipedia NIST
Glutamine, deprotonated 1 Wikipedia NIST
Glutamine, protonated 1 NIST
Gly 1 5 Wikipedia NIST
Gly-ala
Ala-Gly
1 NIST
Gly-gly
Gly-Gly
1 NIST
Glycerine 10 2 Wikipedia NIST
D-Glycerladehyde 1 NIST
Glycerol 10 2 Wikipedia NIST
Glyceryl trinitrite 1 2 Wikipedia NIST
Glycine 1 5 Wikipedia NIST
Glycine methyl ester 1 NIST
Glycine Zwitterion Wikipedia NIST
Glycine, deprotonated 1 1 Wikipedia NIST
Glycine, protonated 1 Wikipedia NIST
Glycl-L-alanine
Ala-Gly
1 NIST
Glycoate ion 1 NIST
Glycogen
Starch
3 Wikipedia
Glycol ethylene ether 2 1 Wikipedia NIST
Glycolic acid 2 Wikipedia NIST
Glycylglycine
Gly-Gly
1 NIST
Glyoxal 1 1 Wikipedia NIST
Glyoxylic acid 1 Wikipedia NIST
GMP
GMP
Wikipedia NIST
cGMP
cGTP
Wikipedia NIST
Goethite
FeO(OH)
Wikipedia
Gold(I) oxide
Au2O
NIST
Gold(III) oxide
Au2O3
Wikipedia NIST
GTP
GTP
1 Wikipedia NIST
Guaiacol allyl ether 1 NIST
Guanine
Guanine
G
1 Wikipedia NIST
Guanine diphosphate
GDP
1 Wikipedia NIST
Guanine monophosphate
GMP
Wikipedia NIST
Guanine triphosphate
GTP
1 Wikipedia NIST
Guanosine 3,5-cyclic phosphate
cGTP
Wikipedia NIST
D-Gulose 1 Wikipedia NIST
Gun cotton
Nitrocellulose
1 1 Wikipedia NIST
Gunpowder
75% KNO3,
15% S, 10% C
gunpowder
1 1 Wikipedia NIST
Gypsum
CaSO4.2H2O
Wikipedia
Gypsum
CaSO4
.2H2O
2 1 Wikipedia NIST
H (histidine) 1 1 Wikipedia NIST
Hübnerite
MnWO4
[H2AsO4]-
[H2AsO4]
1 1 NIST
H2C=C=O
H2C=C=O
4 4 Wikipedia NIST
H2CCO
H2C=C=O
4 4 Wikipedia NIST
H2CO
HCHO
6 25 Wikipedia NIST
H2CO3
H2CO3
1 Wikipedia NIST
H2CrO4
H2CrO4
2 Wikipedia NIST
[H2GeO4]2-
[H2GeO4]2–
1 NIST
H2NOH.HCl 1 Wikipedia NIST
H2NSO2NH2
H2NSO2NH2
1 Wikipedia NIST
H2O
H2O
529 531 Wikipedia NIST
H2O(g)
H2O(g)
3 1 Wikipedia NIST
H2O2
HOOH
12 30 Wikipedia NIST
H2O3S
H2SO3
4 2 Wikipedia NIST
H2O4S
H2SO4
25 74 Wikipedia NIST
[H2PO2]-
[H2PO2]
2 1 NIST
[H2PO3]-
[H3PO4]
1 1 NIST
[H2PO4]-
[H2PO4]
1 3 NIST
H2S2O3 1 1 Wikipedia NIST
H2S2O4 1 NIST
H2S2O5 1 NIST
H2S2O6 1 NIST
H2S2O7
H2S2O7
1 6 Wikipedia NIST
H2S2O8 2 1 NIST
H2S4O6 1 NIST
H2SeO3
H2SeO3
2 1 Wikipedia NIST
H2SeO4 1 Wikipedia NIST
H2SO3
H2SO3
4 2 Wikipedia NIST
H2SO4
H2SO4
25 74 Wikipedia NIST
H2SO4(aq)
H2SO4(aq)
3 11 Wikipedia NIST
H2SO5 2 2 Wikipedia NIST
H2TeO3
H2TeO3
1 Wikipedia NIST
H3AsO4
H3AsO4
1 NIST
H3BO3
H3BO3
10 9 Wikipedia NIST
[H3GeO4]-
[H3GeO4]
1 1 NIST
[H3IO6]2-
[H3IO6]2–
1 NIST
H3PO2
H3PO2
2 2 Wikipedia NIST
H3PO3
H3PO3
8 1 Wikipedia NIST
H3PO4
H3PO4
8 7 Wikipedia NIST
[H4IO6]-
[H4IO6]
1 1 NIST
H4P2O5 NIST
H4P2O6 1 NIST
H4P2O7 2 Wikipedia NIST
Hafnia
HfO2
Wikipedia NIST
Hafnium(IV) oxide
HfO2
Wikipedia NIST
Harmotome
(Ba0.5,Ca0.5,Na,K)5
Al5,Si11O32.
12H2O
Wikipedia
Hartshorn
(NH4)2CO3
1 Wikipedia NIST
[HAsO4]2-
[HAsO4]2–
1 1 NIST
Hausmannite
Mn3O4
1 NIST
Haüyne
Na3Ca(Si3Al3)
O12(SO4)
Wikipedia
HBO2
HBO2
2 1 Wikipedia NIST
HBrO
HOBr
4 1 Wikipedia NIST
HBrO3
HBrO3
2 Wikipedia NIST
HCHO
HCHO
6 25 Wikipedia NIST
HCl + NO3
Aqua Regia
1 2 Wikipedia NIST
HClO
HClO
6 4 Wikipedia NIST
HClO2
HClO2
2 Wikipedia NIST
HClO3
HClO3
2 1 Wikipedia NIST
HClO4
HClO4
4 1 Wikipedia NIST
HCo(CO)3
HCo(CO)3
2 1 NIST
HCo(CO)4
HCo(CO)4
1 1 NIST
[HCO3]-
[HCO3]
4 5 NIST
HCOCl 1 NIST
HCONH2
HCONH2
2 2 Wikipedia NIST
HCOOCH3 2 5 Wikipedia NIST
HCOOH
HCOOH
7 2 Wikipedia NIST
HCOONa
HCOONa
5 2 Wikipedia NIST
[HCOO]-
[HCOO]
1 Wikipedia NIST
[HCrO4]-
[HCrO4]
NIST
Heavy water
D2
1 Wikipedia NIST
Hematite
Fe2O3
1 Wikipedia
Hemimorphite
Zn3Si2O7(OH)2
.H3O
Wikipedia
Hepta-5-ene-2,3-dicarboxylic anhydride 1 NIST
Heroin 1 Wikipedia NIST
Heteroauxin Wikipedia NIST
Hexaaquaaluminium complex ion
[Al(H2O)6]3+
2 6 NIST
Hexaaquachromium(II) ion

[Cr(H2O)6]2+

3 NIST
Hexaaquachromium(III) ion

[Cr(H2O)6]2+

3 9 NIST
Hexaaquacobolt(II) ion

[Co(H2O)6]2+

4 10 NIST
Hexaaquacopper(II) ion

[Cu(H2O)6]2+

3 8 NIST
Hexaaquairon(II) ion

[Fe(H2O)6]2+

3 10 NIST
Hexaaquairon(III) ion

[Fe(H2O)6]3+

6 9 NIST
Hexaaquamanganese(II) ion

[Mn(H2O)6]2+

5 NIST
Hexaaquavanadium(II) ion

[V(H2O)6]2+

4 NIST
Hexaaquavanadium(III) ion

[V(H2O)6]3+

2 1 NIST
Hexadecanoic acid
CH3(CH2)14COOH
6 Wikipedia NIST
(9Z)-Hexadecenoic acid
Palmitoleic
Acid
Wikipedia NIST
4,4a,5,6,7,8- Hexahydro-2(3H)- naphthalenone 4 NIST
Hexahydrobenzoic acid 1 1 NIST
Hexahydroxychromium(III) ion

[Cr(OH)6]3–

2 1 NIST
1,2,3,4,5,6-Hexahydroxyhexane 1 Wikipedia NIST
3,3,6,6,9,9-Hexamethyl-1,2,4,5,7,8-hexoxonane 1 1 Wikipedia NIST
Hexamethylphosphoramide
HMPA
Wikipedia NIST
Hexamethylphosphoric triamide
HMPA
Wikipedia NIST
Hexanedioic acid 4 3 Wikipedia NIST
6-Hexanolactone 1 Wikipedia NIST
HfO2
HfO2
Wikipedia NIST
HFO3S
HSO3F
2 2 Wikipedia NIST
Hg(NO3)2
Hg(NO3)2
1 1 Wikipedia NIST
Hg(OAc)2
Hg(OCOCH3)2
1 Wikipedia NIST
Hg(ONC)2
Hg(ONC)2
2 Wikipedia NIST
HgO
HgO
2 2 Wikipedia NIST
HgSO4
HgSO4
1 3 Wikipedia NIST
HIO
HOI
5 Wikipedia NIST
HIO3
HIO3
4 1 Wikipedia NIST
HIO4
HIO4
2 1 Wikipedia NIST
His 1 1 Wikipedia NIST
Histidine 1 1 Wikipedia NIST
Histidine, deprotonated 1 Wikipedia NIST
Histidine, doubly-protonated 1 Wikipedia NIST
Histidine, protonated 1 1 Wikipedia NIST
HMPA
HMPA
Wikipedia NIST
HMPT
HMPA
Wikipedia NIST
HMX 1 Wikipedia NIST
HNO2
HNO2
9 10 Wikipedia NIST
HNO3
HNO3
6 25 Wikipedia NIST
HNO3 (5 molar)
HNO3
5 molar
1 1 Wikipedia NIST
HNO3(aq)
HNO3(aq)
3 3 Wikipedia NIST
HNO3(g)
HNO3(g)
1 1 Wikipedia NIST
HNO3, fuming
HNO3
fuming
2 3 Wikipedia NIST
HO.
HO•
12 8 Wikipedia NIST
Ho2O3
Ho2O3
Wikipedia NIST
HOBr
HOBr
4 1 Wikipedia NIST
HOCH2CH2OH 6 9 Wikipedia NIST
HOCl
HClO
6 4 Wikipedia NIST
HOD
DOH
1 NIST
HOF
HOF
2 1 NIST
Holmia
Ho2O3
Wikipedia NIST
Holmium(III) oxide
Ho2O3
Wikipedia NIST
HONC
H–O=N=C
1 Wikipedia NIST
HONO
HNO2
9 10 Wikipedia NIST
HOO•
HOO•
1 5 NIST
HOOCCOOH 5 2 Wikipedia NIST
HOOH
HOOH
12 30 Wikipedia NIST
[HOO]-
[HOO]
2 NIST
[HO]+
[HO]+
1 NIST
[HO]-
[OH]
25 79 Wikipedia NIST
[HPO3]2-
[HPO3]2–
1 Wikipedia NIST
[HPO4]2-
[HPO4]2–
1 2 NIST
[HSeO3]-
[HSeO3]
1 1 NIST
[HSeO4]-
[HSeO4]
NIST
[HSiO3]-
[HSiO3]
NIST
HSO3Cl
HSO3Cl
1 2 Wikipedia NIST
HSO3F
HSO3F
2 2 Wikipedia NIST
[HSO3]-
[HSO3]
3 8 NIST
[HSO4]-
[HSO4]
17 3 NIST
[HTeO3]-
[HTeO3]
1 1 NIST
Humite series
Mg(OH,F)2
.1-4Mg2SiO4
Wikipedia
[HXeO4]-
[HXeO4]
1 1 NIST
Hydracryonitrile 1 3 NIST
Hydrated aluminium hydroxide
Al(H2O)3(OH)3
Al(OH)3
4 3 NIST
Hydrated oxonium ion 1 Wikipedia NIST
Hydrazine, 2,4-dinitrophenyl Wikipedia NIST
Hydrogen arsenate ion
[HAsO4]2–
1 1 NIST
Hydrogen carbonate ion
[HCO3]
4 5 NIST
Hydrogen carbonyl radical 5 6 NIST
Hydrogen chromate ion
[HCrO4]
NIST
Hydrogen citrate ion 1 1 NIST
Hydrogen deuterium oxide
DOH
1 NIST
Hydrogen fumarate ion 1 1 NIST
Hydrogen hydroxide
H2O
529 531 Wikipedia NIST
Hydrogen malonate ion 1 1 NIST
Hydrogen o-phthalate ion 1 1 NIST
Hydrogen oxide
H2O
529 531 Wikipedia NIST
Hydrogen peroxide
HOOH
12 30 Wikipedia NIST
Hydrogen peroxide anion
[HOO]
2 NIST
Hydrogen peroxide radical
HOO•
1 5 NIST
Hydrogen peroxide radical anion
[H2O2]+•
1 1 NIST
Hydrogen phosphate dianion
[HPO4]2–
1 2 NIST
Hydrogen phosphite ion
[H3PO4]
1 1 NIST
Hydrogen selenate ion
[HSeO4]
NIST
Hydrogen selenite ion
[HSeO3]
1 1 NIST
Hydrogen silicate ion
[HSiO3]
NIST
Hydrogen succinate ion 1 1 NIST
Hydrogen sulfate ion
[HSO4]
17 3 NIST
Hydrogen sulfite ion
[HSO3]
3 8 NIST
Hydrogen sulphate ion
[HSO4]
17 3 NIST
Hydrogen tartrate ion 1 1 NIST
Hydrogen tellurite ion
[HTeO3]
1 1 NIST
Hydrogenol
H2O
529 531 Wikipedia NIST
Hydronium ion, [H3O]+
[H3O]+
5 5 NIST
Hydroperoxy radical
HOO•
1 5 NIST
Hydroquinone 2 Wikipedia NIST
Hydroxide ion
[OH]
25 79 Wikipedia NIST
2-Hydroxy benzoic acid 1 2 Wikipedia NIST
Hydroxy carbenium ion 1 NIST
Hydroxy cation
[HO]+
1 NIST
Hydroxy radical
HO•
12 8 Wikipedia NIST
2-Hydroxy-2-methylbutane 1 NIST
2-Hydroxy-2-methylbutanenitrile 1 1 NIST
2-Hydroxy-2-methylpropanenitrile 1 1 NIST
2-Hydroxy-3-methylbutane 1 NIST
4-Hydroxy-4-methyl-2-pentanone 1 1 NIST
Hydroxyacetic acid 2 Wikipedia NIST
4-Hydroxyaminobenzene 1 Wikipedia NIST
Hydroxyammonium ion
[H3N-OH]+
4 NIST
4-Hydroxyazobenzene 1 NIST
2-Hydroxybenzaldehyde 1 Wikipedia NIST
Hydroxybenzene 8 10 Wikipedia NIST
3-Hydroxybutanal 1 2 NIST
2-Hydroxybutane 1 2 Wikipedia NIST
(2S)-2-Hydroxybutanedioic acid 1 1 Wikipedia NIST
2-Hydroxybutanedioic acid 1 Wikipedia NIST
4-Hydroxybutyric acid gamma lactone 2 3 Wikipedia NIST
Hydroxyethanoic acid 2 Wikipedia NIST
2-Hydroxyethyl ethanoate 1 1 NIST
Hydroxyfumaric acid 1 1 Wikipedia NIST
2-Hydroxyisobutylnitrile 1 1 NIST
Hydroxyl radical
HO•
12 8 Wikipedia NIST
Hydroxylamine
H2N–OH
1 7 Wikipedia NIST
Hydroxylamine hydrochloride 1 Wikipedia NIST
Hydroxylamine, protonated
[H3N-OH]+
4 NIST
Hydroxymaleic acid 1 1 Wikipedia NIST
Hydroxymethyl carbenium ion 1 NIST
1-Hydroxynaphthalene 2 NIST
3-Hydroxynitrobenzene 1 NIST
4-Hydroxynitrobenzene 1 Wikipedia NIST
2-Hydroxypentanenitrile 1 NIST
4-(1-(4-Hydroxyphenyl)-1-methylethyl)phenol 1 1 Wikipedia NIST
N-(-4-hydroxyphenyl)ethanamide Wikipedia NIST
2-Hydroxypropane 9 8 Wikipedia NIST
3-Hydroxypropanenitrile 1 3 NIST
(2R)-2-Hydroxy propanoate ion 2 NIST
3-Hydroxypropionitrile 1 3 NIST
(2S)-Hydroxysuccinic acid 1 1 Wikipedia NIST
D/L Hydroxysuccinic acid 1 Wikipedia NIST
Hypersthene
(Mg,Fe)SiO3
Wikipedia
Hypo
Na2S2O3
5 4 Wikipedia NIST
Hypobromite ion
[BrO]
1 2 NIST
Hypobromous acid
HOBr
4 1 Wikipedia NIST
Hypochlorite ion
[ClO]
2 5 Wikipedia NIST
Hypochlorous acid
HClO
6 4 Wikipedia NIST
Hypochlorous anhydride
Cl2O
1 3 Wikipedia NIST
Hypoflourite ion
[FO]
1 NIST
Hypofluouous acid
HOF
2 1 NIST
Hypoiodite ion
[IO]
1 3 NIST
Hypoiodous acid
HOI
5 Wikipedia NIST
Hyponitrite ion
[N2O2]2–
NIST
Hypophosphite ion
[H2PO2]
2 1 NIST
Hypophosphoric acid 1 NIST
Hypophosphorous acid
H3PO2
2 2 Wikipedia NIST
I (isoleucine) 1 1 Wikipedia NIST
I2O5
I2O5
2 2 NIST
IAA Wikipedia NIST
D-Idose 1 Wikipedia NIST
Ile 1 1 Wikipedia NIST
Ilmenite
FeTiO3
1 Wikipedia
Ilvaite
Ca(Fe2+)2Fe3+
[O|OH|Si2O7]
Wikipedia
In2O3
In2O3
1 Wikipedia NIST
INCO
I–N=C=O
NIST
Indium oxide
In2O3
1 Wikipedia NIST
Indole-3-acetic acid Wikipedia NIST
3-Indolepropionic acid 1 NIST
Infusorial earth
Kieselguhr
1 Wikipedia
[IO3]-
[IO3]
1 6 Wikipedia NIST
[IO4]-
[IO4]
1 Wikipedia NIST
Iodate ion
[IO3]
1 6 Wikipedia NIST
Iodic acid
HIO3
4 1 Wikipedia NIST
Iodine cyanate
I–N=C=O
NIST
Iodine hydroxide
HOI
5 Wikipedia NIST
Iodine pentoxide
I2O5
2 2 NIST
Iodine(V) oxide
I2O5
2 2 NIST
Iodoacetate ion
[ICH2COO]
1 NIST
Iodoacetic acid
CH2ICOOH
1 NIST
Iodoacetone 1 NIST
1-Iodopropanone 1 NIST
[IO]-
[IO]
1 3 NIST
IPA 9 8 Wikipedia NIST
iPrOEt 1 NIST
iPrOH 9 8 Wikipedia NIST
[iPr]O-
[(CH3)2CH–O]
2 1 NIST
Iridium(IV) oxide
IrO2
Wikipedia NIST
IrO2
IrO2
Wikipedia NIST
Iron pentacarbonyl
Fe(CO)5
1 2 Wikipedia NIST
Iron phosphate
Fe3(PO4)2
.8H2O
Wikipedia
Iron(II,III) oxide
Fe3O4
1 1 Wikipedia
Iron(II) carbonate
FeCO3
2 Wikipedia NIST
Iron(II) hexahydrated ion

[Fe(H2O)6]2+

3 10 NIST
Iron(II) hydroxide
Fe(OH)2
1 Wikipedia NIST
Iron(II) oxalate
FeC2O4
1 1 NIST
Iron(II) oxide
FeO
3 Wikipedia NIST
Iron(II) sulfate heptahydrate
FeSO4.7H2O
1 2 NIST
Iron(II) tetraaquadihydroxy complex

Fe(H2O)4(OH)2
Fe(OH)2

4 1 NIST
Iron(II) tungstate
FeWO4
1 NIST
Iron(II,III) oxide
FeO.Fe2O3
1 2 Wikipedia NIST
Iron(III) chlorosulfate
FeSO4Cl
1 NIST
Iron(III) hexahydrated complex ion

[Fe(H2O)6]3+

6 9 NIST
Iron(III) hydroxide
Fe(OH)3
3 Wikipedia NIST
Iron(III) nitrate nonahydrate
Fe(NO3)3
.9H2O
1 Wikipedia NIST
Iron(III) oxide
Fe2O3
4 5 Wikipedia NIST
Iron(III) pentaaquahydroxy complex ion

[Co(NH3)6]2+

1 NIST
Iron(III) pentaaquathiocyanato complex ion

[Fe(H2O)5(SCN)]2+

1 NIST
Iron(III) sulfate pentahydrate
Fe2(SO4)3
.5H2O
2 Wikipedia NIST
Iron(III) triaquatrihydroxy complex

Fe(H2O)3(OH)3
Fe(OH)3

5 1 NIST
Iron(III) tris(ethanedioate) complex ion
[Fe(C2O4)3]3–
2 NIST
Isobutanol 4 1 Wikipedia NIST
Isobutyraldehyde 3 2 Wikipedia NIST
Isocitric acid 1 1 Wikipedia NIST
Isocyanate ion
[NCO]
3 4 Wikipedia NIST
Isocyanic acid
HNCO
1 NIST
Isoeugenol NIST
1,3-Isoindoledione 3 Wikipedia NIST
Isoleucine 1 1 Wikipedia NIST
Isoleucine, deprotonated 1 Wikipedia NIST
Isoleucine, protonated 1 Wikipedia NIST
Isopropanol 9 8 Wikipedia NIST
Isopropoxide, aluminium
Al(OiPr)3
1 Wikipedia NIST
Isopropoxymethylphosphoryl fluoride Wikipedia NIST
Isopropyl alcohol 9 8 Wikipedia NIST
Isopropyl alkoxide ion
[(CH3)2CH–O]
2 1 NIST
Isopropyl oxonium ion 2 NIST
4,4'-Isopropylidenediphenol 1 1 Wikipedia NIST
Isoxazole Wikipedia NIST
Jadeite
NaAlSi2O6
(+ Fe3+)
Wikipedia
Jarosite
KFe3(SO4)2(OH)6
Wikipedia
K (lysine) 1 4 Wikipedia NIST
K2CO3
K2CO3
4 2 Wikipedia NIST
K2Cr2O7
K2Cr2O7
1 5 Wikipedia NIST
K2MnO4
K2MnO4
2 1 NIST
K2O
KO2
2 2 Wikipedia NIST
K2O2
K2O2
2 Wikipedia NIST
K2SO4
K2SO4
2 1 Wikipedia NIST
K3MnO4
K3MnO4
2 1 NIST
Kalinite
KAl(SO4)2
.12H2O
1 Wikipedia NIST
Kaolinite
Al2(OH)4
Si2O5
Wikipedia
KAsO2
KAsO2
Wikipedia NIST
KBrO3
NaBrO3
1 1 Wikipedia NIST
KBrO4
NaBrO4
2 NIST
KClO3
KClO3
2 2 Wikipedia NIST
KClO4
KClO4
3 1 Wikipedia NIST
Ketene
H2C=C=O
4 4 Wikipedia NIST
Alpha-ketoglutaric acid 1 1 Wikipedia NIST
Ketohexamethylene 5 5 Wikipedia NIST
KHCO3
KHCO3
2 1 Wikipedia NIST
Kieselguhr
Kieselguhr
1 Wikipedia
KMnO4
KMnO4
2 4 Wikipedia NIST
KNO3
KNO3
3 1 Wikipedia NIST
KO2
K2O
3 3 Wikipedia NIST
KO3
KO3
2 NIST
KOH
KOH
12 18 Wikipedia NIST
Kyanite
Al2SiO5
Wikipedia
L (leucine) 1 1 Wikipedia NIST
La2O3
La2O2
Wikipedia NIST
Lactate ion 1 NIST
(+/-) Lactic acid 1 Wikipedia NIST
Lactose
Lactose
Wikipedia NIST
Lanthania
La2O2
Wikipedia NIST
Lanthanum(III) oxide
La2O2
Wikipedia NIST
Laughing gas
N2O
4 2 Wikipedia NIST
Laumontite
Ca(AlSi2O6)2
.4H2O
Wikipedia
Lauric acid
CH3(CH2)10COOH
1 Wikipedia NIST
Lazulite
(Mg,Fe)Al2
(PO4)2(OH)2
Wikipedia
Lazurite
(Na,Ca)8
[(S,Cl,SO4,OH)2
|(Al6Si6O24)]
Wikipedia
Lead dioxide
PbO2
4 Wikipedia NIST
Lead glass
Lead Crystal
Glass
1 Wikipedia
Lead sesquioxide
Pb2O3
NIST
Lead superoxide
PbO2
4 Wikipedia NIST
Lead tetroxide
Pb3O4
Wikipedia NIST
Lead trioxide
Pb2O3
NIST
Lead(II) acetate
Pb(CH3COO)2
1 Wikipedia NIST
Lead(II) carbonate
PbCO3
1 Wikipedia NIST
Lead(II) chromate
PbCrO4
1 Wikipedia NIST
Lead(II) nitrate
Pb(NO3)2
1 2 Wikipedia NIST
Lead(II) oxide
PbO
1 3 Wikipedia NIST
Lead(II) permanganate
Pb(MnO4)2
1 NIST
Lead(II) phosphate
Pb3(PO4)2
1 NIST
Lead(II) sulfate
PbSO4
1 1 Wikipedia NIST
Lead(IV) oxide
PbO2
4 Wikipedia NIST
Lead(IV) tetraacetate
Pb(OCOCH3)4
2 Wikipedia NIST
Lepidocrocite
FeO(OH)
Wikipedia
Leu 1 1 Wikipedia NIST
Leucine 1 1 Wikipedia NIST
Leucine, deprotonated 1 Wikipedia NIST
Leucine, protonated 1 Wikipedia NIST
Leucite
KAlSi2O6
Wikipedia
Li2O
Li2O
4 1 Wikipedia NIST
Li2O2
Li2O2
2 Wikipedia NIST
Librium Wikipedia NIST
Lime
CaO
7 6 Wikipedia NIST
Lime water
Ca(OH)2(aq)
2 1 Wikipedia NIST
Limestone
Limestone
Wikipedia
Linarite
(Pb,Cu)2SO4(OH)2
Wikipedia
Linoleic acid
Linoleic
Acid
4 Wikipedia NIST
Linolenic acid
Linolenic
Acid
1 Wikipedia NIST
LiO2
LiO2
2 Wikipedia NIST
LiOH
LiOH
8 3 Wikipedia NIST
Lithium acetylacetone complex 1 NIST
Lithium bis(acetylacetone) complex 1 NIST
Lithium hydroxide
LiOH
8 3 Wikipedia NIST
Lithium oxide
Li2O
4 1 Wikipedia NIST
Lithium peroxide
Li2O2
2 Wikipedia NIST
Lithium stearate
CH3(CH2)16COOLi
Wikipedia NIST
Lithium superoxide
LiO2
2 Wikipedia NIST
Lithium tri-tert-butoxy aluminium hydride
Li[Al(OtBu)3H]
1.0M in THF
1 NIST
Lodestone
FeO.Fe2O3
1 2 Wikipedia NIST
LSD Wikipedia NIST
Lu2O3
Lu2O3
Wikipedia NIST
Lucite 1 Wikipedia NIST
Lutetium oxide
Lu2O3
Wikipedia NIST
Lye
NaOH/KOH
Wikipedia NIST
Lys 1 4 Wikipedia NIST
Lys-Lys
Lys-Lys
1 NIST
D-Lysergic acid diethylamide Wikipedia NIST
Lysine 1 4 Wikipedia NIST
Lysine, deprotonated 1 1 Wikipedia NIST
Lysine, doubly-protonated 2 Wikipedia NIST
Lysine, protonated 1 1 Wikipedia NIST
Lysyllysine
Lys-Lys
1 NIST
D-Lyxose 1 1 Wikipedia NIST
M (methionine) 1 1 Wikipedia NIST
Magic acid
H+[SbF6]
.SO3
Wikipedia NIST
Magic Acid®
H+[SbF6]
.SO3
Wikipedia NIST
Magnesia
MgO
8 7 Wikipedia NIST
Magnesite
MgCO3
Wikipedia
Magnesium carbonate
MgCO3
1 1 Wikipedia NIST
Magnesium hydroxide
Mg(OH)2
6 5 Wikipedia NIST
Magnesium nitrate hexahydrate
Mg(NO3)2
.6H2O
1 Wikipedia NIST
Magnesium oxalate
MgC2O4
.H2O
1 NIST
Magnesium oxide
MgO
8 7 Wikipedia NIST
Magnesium sulfate
MgSO4
2 2 Wikipedia NIST
Magnesium sulfate septahydrate
MgSO4
.7H2O
1 Wikipedia NIST
Magnetite
FeO.Fe2O3
1 2 Wikipedia NIST
Magnetite
Fe3O4
1 1 Wikipedia
Malachite
CuCO3.
Cu(OH)2
Wikipedia NIST
Malachite
CuCO3
.Cu(OH)2
1 Wikipedia
Maleic acid 1 2 Wikipedia NIST
Maleic acid dianion 1 NIST
Maleic acid monoanion 1 1 NIST
Maleic anhydride 4 8 Wikipedia NIST
Malic acid (D/L) 1 Wikipedia NIST
L(-)-Malic acid 1 1 Wikipedia NIST
Malonate (hydrogen) ion 1 1 NIST
Malonate dianion 1 NIST
Malonate, diethyl isopropyl 1 NIST
Malonic acid 2 2 Wikipedia NIST
Malonyl chloride 2 NIST
Malonyl dichloride 2 NIST
Malonylurea 1 Wikipedia NIST
Malt sugar
Maltose
Wikipedia NIST
Maltose
Maltose
Wikipedia NIST
Mandalate ion 1 NIST
(+/-) Mandelic acid 1 Wikipedia NIST
Manganate(V) ion
[MnO4]3–
1 NIST
Manganate(VI) ion
[MnO4]2–
2 Wikipedia NIST
Manganate(VII) ion
[MnO4]
2 14 NIST
Manganese dioxide
MnO2
3 4 Wikipedia NIST
Manganese monoxide
MnO
Wikipedia NIST
Manganese oxide
Mn3O4
1 NIST
Manganese(II) carbonate
MnCO3
1 Wikipedia NIST
Manganese(II) hexahydrated ion

[Mn(H2O)6]2+

5 NIST
Manganese(II) hydroxide
Mn(OH)2
1 NIST
Manganese(II) oxide
MnO
Wikipedia NIST
Manganese(II) tungstate
MnWO4
1 NIST
Manganese (II, III) oxide
Mn3O4
1 NIST
Manganese(IV) oxide
MnO2
3 4 Wikipedia NIST
Manganese(VII) oxide
Mn2O7
Wikipedia NIST
Manganite
MnO(OH)
Wikipedia
Manganomanganic oxide
Mn3O4
1 NIST
D-Mannose 2 Wikipedia NIST
MCPBA 3 Wikipedia NIST
Me2NCHO 2 2 Wikipedia NIST
Me2O 3 Wikipedia NIST
Me2SO 3 5 Wikipedia NIST
Me3COH
(CH3)3COH
7 11 Wikipedia NIST
[Me3O]+
[(CH3)3O]+
NIST
MeCHO
CH3CHO
13 20 Wikipedia NIST
MeCOEt 4 2 Wikipedia NIST
MeCOMe 15 19 Wikipedia NIST
[MeCOO]-
[CH3COO]
6 10 Wikipedia NIST
MEK 4 2 Wikipedia NIST
MeNCO
CH3–N=C=O
1 Wikipedia NIST
MeNO2
CH3–NO2
1 2 Wikipedia NIST
Menthol Wikipedia NIST
MeOH
CH3OH
19 31 Wikipedia NIST
[MeO]-
[CH3–O]
1 3 Wikipedia NIST
Meperidine hydrochloride Wikipedia NIST
2-Mercaptoethanol 1 NIST
Mercuric nitrate
Hg(NO3)2
1 1 Wikipedia NIST
Mercuric sulfate
HgSO4
1 3 Wikipedia NIST
Mercury(II) acetate
Hg(OCOCH3)2
1 Wikipedia NIST
Mercury(II) fulminate
Hg(ONC)2
2 Wikipedia NIST
Mercury(II) nitrate
Hg(NO3)2
1 1 Wikipedia NIST
Mercury(II) oxide
HgO
2 2 Wikipedia NIST
Mercury(II) sulfate
HgSO4
1 3 Wikipedia NIST
Mescaline Wikipedia NIST
Mesityl oxide 1 1 Wikipedia NIST
MeSOMe 3 5 Wikipedia NIST
Met 1 1 Wikipedia NIST
Metaautunite
Cu(UO2)2(PO4)2
.8-12H2O
Wikipedia
Metaborate ion
[BO2]
[B3O6]3–
2 Wikipedia NIST
Metaboric acid
HBO2
2 1 Wikipedia NIST
Metaperiodic acid
HIO4
2 1 Wikipedia NIST
Metatorbernite
Cu(UO2)2(PO4)2
.8-12H2O
Wikipedia
Metatyuyamunite
Ca(UO2)2(VO4)2
.5-10H2O
Wikipedia
Methacrylein 2 3 NIST
Methacrylic acid 1 1 Wikipedia NIST
Methadone hydrochloride Wikipedia NIST
Methanal
HCHO
6 25 Wikipedia NIST
Methanamide
HCONH2
2 2 Wikipedia NIST
Methanediol 1 1 Wikipedia NIST
Methanoate ion
[HCOO]
1 Wikipedia NIST
Methanoic acid
HCOOH
7 2 Wikipedia NIST
Methanol
CH3OH
19 31 Wikipedia NIST
Methanol hydrogen bonded dimer 1 NIST
Methanol synthesis gas
CO + 2H2
1 NIST
Protonated methanol 1 NIST
Methanoyl cation 1 2 NIST
Methanoyl chloride 1 NIST
Methionine 1 1 Wikipedia NIST
Methionine, deprotonated 1 Wikipedia NIST
Methionine, protonated 1 Wikipedia NIST
Methoxide ion
[CH3–O]
1 3 Wikipedia NIST
1-Methoxy-1,4-cyclohexadiene 1 1 NIST
1-Methoxy-1,3-butadiene 2 NIST
1-Methoxy-2-(2-propenoxy)benzene 1 NIST
2-Methoxy-2-methylpropane 1 Wikipedia NIST
3-Methoxy-4,4- diethoxy cyclohexene 1 NIST
3-Methoxy-4-cyanocyclohexene 1 NIST
3-Methoxy-4-hydroxybenzaldehyde Wikipedia NIST
1-Methoxy-4-propenylbenzene Wikipedia NIST
2-Methoxy-4-propenylphenol NIST
3-Methoxy-5-cyanocyclohexene 1 NIST
2-Methoxy-6-(2-propenyl)phenol 1 NIST
Methoxyacetate ion 1 NIST
Methoxyacetic acid 1 NIST
Methoxybenzene 2 Wikipedia NIST
Methyl 1-methoxycarbonylcyclobutanecarboxylate 1 NIST
Methyl 2,2-dimethylpropanoate NIST
Methyl 2,7,9-undecatrienoate 1 NIST
Methyl 2-methylbutanoate NIST
Methyl 4-methylbicyclo[4.3.0]oct-2-enyl-5-acetate 1 NIST
(2R)-2-Methyl alpha-lactone 1 1 NIST
Methyl acetate 2 Wikipedia NIST
Methyl acrylate 4 Wikipedia NIST
Methyl alcohol
CH3OH
19 31 Wikipedia NIST
Methyl aminoethanoate 1 NIST
Methyl borate
B(OCH3)3
2 1 Wikipedia NIST
Methyl tertiary butyl ketone 1 1 Wikipedia NIST
Methyl chloroformate
ClCOOCH3
1 NIST
Methyl dichloroacetate 1 NIST
Methyl ethanoate 2 Wikipedia NIST
Methyl ether 3 Wikipedia NIST
Methyl ethyl ketone 4 2 Wikipedia NIST
N-Methyl formamide 2 NIST
Methyl formate 2 5 Wikipedia NIST
Methyl glycine 1 NIST
Methyl isobutyl ketone 1 Wikipedia NIST
Methyl isocyanate
CH3–N=C=O
1 Wikipedia NIST
Methyl methanoate 2 5 Wikipedia NIST
Methyl exo-norbornate 1 NIST
Methyl orange
Methyl
Orange
Wikipedia NIST
Methyl phenyl ketone 3 2 Wikipedia NIST
Methyl pivalate NIST
2-Methyl propenal 2 3 NIST
Methyl propenoate 4 Wikipedia NIST
Methyl red
Methyl
Red
Wikipedia NIST
Methyl tert-butyl ether 1 Wikipedia NIST
Methyl tosylate 1 NIST
Methyl trimethylacetate NIST
(2-Methyl-2-butyl)hydrogen sulfate 1 1 NIST
(2-Methyl-2-butyl)hydrogen sulphate 1 1 NIST
5-Methyl-2-isopropylphenol Wikipedia NIST
4-Methyl-2-pentanone 1 Wikipedia NIST
2-Methyl-2-propen-1-ol 2 NIST
1-Methyl-2-pyrrolidinone 1 Wikipedia NIST
2-Methyl-3-butene-2-ol 1 1 NIST
2-Methyl-3-butyne-2-ol 1 1 NIST
(3R)-3-Methyl-3-hexanol 1 NIST
(3S)-3-Methyl-3-hexanol 1 NIST
4-Methyl-3-penten-2-one 1 1 Wikipedia NIST
2-Methyl-5-(1-methylethenyl)-2-cyclohexanol 2 NIST
2-Methyl-5-(1-methylethenyl)-2-cyclohexenol 2 NIST
2-Methyl-5-(1-methylethenyl)-2-cyclohexenone 2 NIST
N-Methylacetamide 2 NIST
alpha-Methylbenzyl alcohol 1 1 NIST
2-Methylbutan-2-ol 1 NIST
3-Methylbutan-2-ol 1 NIST
Methylbutenol 1 1 NIST
Methylbutynol 1 1 NIST
Methylenecyclohexane oxide 1 NIST
N-Methylethanamide 2 NIST
Methylmethacrylate 2 1 NIST
Methylmorphine Wikipedia NIST
Methyloxonium ion 1 NIST
4-Methylpentan-2-one 1 Wikipedia NIST
Methylphenylsulfinate 1 NIST
Methylphenylsulfone 1 NIST
Methylphosphonofloridic acid 1,2,2-trimethylpropyl ester Wikipedia NIST
2-Methylpropan-1-ol 4 1 Wikipedia NIST
2-Methylpropan-2-ol
(CH3)3COH
7 11 Wikipedia NIST
2-Methylpropanal 3 2 Wikipedia NIST
2-Methylpropanonic acid 1 NIST
2-Methylpropenoic acid 1 1 Wikipedia NIST
2-Methylpropionaldehyde 3 2 Wikipedia NIST
2-Methylpropyl-2-alkoxide
[(CH3)3C–O]
1 2 NIST
N-Methylpyrrolidone 1 Wikipedia NIST
Methylsulfonyl acetate ion 1 NIST
Methylsulfonyl acetic acid 1 NIST
Methylsulfoxide 3 5 Wikipedia NIST
Methylthioacetate ion 1 NIST
Methylthioacetic acid 1 NIST
Methyltoluene sulfonate, para 1 NIST
5-Methyluracil
Thymine
T
1 Wikipedia NIST
2-Methyoxyethyl ether 2 Wikipedia NIST
Mg(NO3)2.6H2O
Mg(NO3)2
.6H2O
1 Wikipedia NIST
Mg(OH)2
Mg(OH)2
6 5 Wikipedia NIST
MgC2O4
MgC2O4
.H2O
1 NIST
MgCO3
MgCO3
1 1 Wikipedia NIST
MgO
MgO
8 7 Wikipedia NIST
MgSO4
MgSO4
.7H2O
1 Wikipedia NIST
MgSO4
MgSO4
2 2 Wikipedia NIST
MgSO4.7H2O
MgSO4
.7H2O
1 Wikipedia NIST
MIBK 1 Wikipedia NIST
Microcline
KAlSi3O8
Wikipedia
Microlite
(Ca,Na)2Ta2O6
(O,OH,F)
Wikipedia
Milk of lime
Ca(OH)2(aq)
2 1 Wikipedia NIST
Milk sugar
Lactose
Wikipedia NIST
Mimetite
Pb5(AsO4)3Cl
Wikipedia
Mineral wool
Rock Fiber
Wikipedia
Minium
Pb3O4
Wikipedia NIST
[Mn(H2O)6]2+

[Mn(H2O)6]2+

5 NIST
Mn(OH)2
Mn(OH)2
1 NIST
Mn2(CO)10
Mn2(CO)10
Wikipedia NIST
Mn2O7
Mn2O7
Wikipedia NIST
Mn3O4
Mn3O4
1 NIST
MnCO3
MnCO3
1 Wikipedia NIST
MnO
MnO
Wikipedia NIST
MnO2
MnO2
3 4 Wikipedia NIST
[MnO4]-
[MnO4]
2 14 NIST
[MnO4]2-
[MnO4]2–
2 Wikipedia NIST
[MnO4]3-
[MnO4]3–
1 NIST
MnWO4
MnWO4
1 NIST
Mo2O5
Mo2O5
NIST
Mogadon Wikipedia NIST
Molybdenum(IV) oxide
MoO2
Wikipedia NIST
Molybdenum(V) oxide
Mo2O5
NIST
Molybdenum(VI) oxide
MoO3
Wikipedia NIST
Molybdic anhydride
MoO3
Wikipedia NIST
Monazite
(Ce,La,Th)PO4
Wikipedia
Monticellite
Ca,MgSiO4
Wikipedia
MoO2
MoO2
Wikipedia NIST
MoO3
MoO3
Wikipedia NIST
Mordant Yellow 1
Alizarin
Yellow
NIST
Morphine 1 Wikipedia NIST
Morphine 3-methyl ether Wikipedia NIST
Mother of Satan 1 1 Wikipedia NIST
MTBE 1 Wikipedia NIST
Muscovite
KAl2(AlSi3O10)
(F,OH)2
Wikipedia
Myristic acid
CH3(CH2)12COOH
2 Wikipedia NIST
N (asparagine) 1 1 Wikipedia NIST
N2O
N2O
4 2 Wikipedia NIST
[N2O2]2-
[N2O2]2–
NIST
N2O3
N2O3
2 2 Wikipedia NIST
N2O4
N2O4
2 6 NIST
N2O5
N2O5
2 4 Wikipedia NIST
Na2B4O7
Na2B4O7
1 1 Wikipedia NIST
Na2CO3
Na2CO3
11 17 Wikipedia NIST
Na2CO3.15H2O2
2Na2CO3.3H2O2
Wikipedia NIST
Na2Cr2O7
Na2Cr2O7
.H2O
3 4 Wikipedia NIST
Na2CrO4
Na2CrO4
2 2 NIST
Na2O
Na2O
5 5 Wikipedia NIST
Na2O2
Na2O2
3 7 Wikipedia NIST
Na2S2O3
Na2S2O3
5 4 Wikipedia NIST
Na2S2O4 5 Wikipedia NIST
Na2S2O5 4 1 NIST
Na2S2O6 1 Wikipedia NIST
Na2S2O8
Na2S2O8
1 NIST
Na2S4O6
Na2S4O6
2 NIST
Na2SiO3(aq)
Na2SiO3
solution
2 Wikipedia NIST
Na2SO3
Na2SO3
3 6 Wikipedia NIST
Na2SO3.7H2O
Na2SO3
.7H2O
1 Wikipedia NIST
Na2SO4
Na2SO4
14 4 Wikipedia NIST
Na2SO4
Na2SO4
.10H2O
Wikipedia NIST
Na2SO4.10H2O
Na2SO4
.10H2O
Wikipedia NIST
Na3B3O6
NaBO2
Na3[B3O6]
4 1 NIST
Na3BO3
Na3BO3
1 Wikipedia NIST
Na3PO4
Na3PO4
1 Wikipedia NIST
Na5P3O10 1 Wikipedia NIST
NaAl(OH)4
Na[Al(OH)4]
2 1 NIST
NaAlO2
NaAlO2
1 Wikipedia NIST
NaBO2
NaBO2
Na3[B3O6]
4 1 NIST
NaBrO3
NaBrO3
2 1 Wikipedia NIST
NaClO2
NaClO2
4 1 Wikipedia NIST
NaClO3
NaClO3
4 5 Wikipedia NIST
NaClO4
NaClO4
2 2 Wikipedia NIST
NaHCO3
NaHCO3
4 3 Wikipedia NIST
NaHSO3
NaHSO3
1 Wikipedia NIST
NaHSO3
NaHSO3
2 Wikipedia NIST
NaNO2
NaNO2
7 3 Wikipedia NIST
NaNO3
NaNO3
6 6 Wikipedia NIST
NaO2
NaO2
2 Wikipedia NIST
NaOCH3
NaOCH3
2 4 Wikipedia NIST
NaOCl
NaOCl(aq)
4 5 Wikipedia NIST
NaOH
NaOH
17 61 Wikipedia NIST
NaOH(aq)
NaOH(aq)
5 37 Wikipedia NIST
1-Naphthol 2 NIST
1-Naphthoxymethanoly chloride 1 1 NIST
1-Naphthyl N-methylcarbamate 2 Wikipedia NIST
Natrolite
Na2Al2Si3O10
.2H2O
Wikipedia
Nb2O3
Nb2O3
NIST
Nb2O5
Nb2O5
Wikipedia NIST
NbO
NbO
NIST
NbO2
NbO2
NIST
NBS Wikipedia NIST
[NCO]-
[NCO]
3 4 Wikipedia NIST
Neopentyl acid
(CH3)3C–COOH
1 NIST
Nepheline
(Na,K)AlSiO4
Wikipedia
(NH2)2CO 4 5 Wikipedia NIST
NH2CH2CH2OH 1 3 Wikipedia NIST
NH2CONHCONH2 1 Wikipedia NIST
NH2OH
H2N–OH
1 7 Wikipedia NIST
NH2SO3H
H2NSO3H
2 Wikipedia NIST
[NH2SO3]-
[NH2SO3]
1 NIST
(NH4)2CO3
(NH4)2CO3
1 Wikipedia NIST
(NH4)2S2O3
(NH4)2S2O3
3 NIST
(NH4)2S2O8
(NH4)2S2O8
2 1 NIST
(NH4)2SO3
(NH4)2SO3
.H2O
2 1 NIST
(NH4)2SO4
(NH4)2SO4
3 1 Wikipedia NIST
NH4ClO4
NH4ClO4
2 2 Wikipedia NIST
NH4NO3
NH4NO3
3 5 Wikipedia NIST
NH4NO3
NH4NO3
2 Wikipedia NIST
NH4VO3
NH4VO3
1 1 NIST
Ni(CO)4
Ni(CO)4
1 3 Wikipedia NIST
Ni(OH)2
Ni(OH)2
1 Wikipedia NIST
Ni2O3
Ni2O3
Wikipedia NIST
Niacin 4 Wikipedia NIST
Nickel bloom
Ni3(AsO4)2
.8H2O
Wikipedia
Nickel carbonyl
Ni(CO)4
1 3 Wikipedia NIST
Nickel monoxide
NiO
1 Wikipedia NIST
Nickel(II) carbonate
NiCO3
1 Wikipedia NIST
Nickel(II) hydroxide
Ni(OH)2
1 Wikipedia NIST
Nickel(II) oxide
NiO
1 Wikipedia NIST
Nickel(III) oxide
Ni2O3
Wikipedia NIST
NiCO3
NiCO3
1 Wikipedia NIST
Nicotinamide 1 1 Wikipedia NIST
Nicotinic acid 4 Wikipedia NIST
NiO
NiO
1 Wikipedia NIST
Niobium pentoxide
Nb2O5
Wikipedia NIST
Niobium(II) oxide
NbO
NIST
Niobium(III) oxide
Nb2O3
NIST
Niobium(IV) oxide
NbO2
NIST
Niobium(V) oxide
Nb2O5
Wikipedia NIST
Niter
KNO3
3 1 Wikipedia NIST
Nitrate ion
[NO3]
15 28 Wikipedia NIST
Nitratine
NaNO3
6 6 Wikipedia NIST
Nitratine
NaNO3
Wikipedia
Nitrating mixture
HNO3|H2SO4
concentrated
1 3 NIST
Nitrazepam Wikipedia NIST
Nitre
KNO3
3 1 Wikipedia NIST
Nitric acid 5 molar
HNO3
5 molar
1 1 Wikipedia NIST
Nitric acid, aqueous
HNO3(aq)
3 3 Wikipedia NIST
Nitric acid triester of glycerol 1 2 Wikipedia NIST
Nitric acid, concentrated
HNO3
6 25 Wikipedia NIST
Nitric acid, fuming
HNO3
fuming
2 3 Wikipedia NIST
Nitric acid, gas phase species
HNO3(g)
1 1 Wikipedia NIST
Nitric acid, protonated 2 1 NIST
Nitric oxide
NO
20 14 Wikipedia NIST
Nitrite ester, tertiary butyl 1 NIST
Nitrite ion
[NO2]
2 6 NIST
7-Nitro-1,3-dihydro-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one Wikipedia NIST
4-Nitroacetanalide 1 1 NIST
para-Nitroacetanalide 1 1 NIST
Nitroacetate ion 1 NIST
Nitroacetic acid 1 NIST
4-Nitroacetophenone 1 NIST
4-Nitroaniline 1 3 Wikipedia NIST
Nitrobenzene 3 6 Wikipedia NIST
Nitrobenzene SeAr intermediate 2 1 NIST
Nitrobenzene, protonated 1 NIST
Nitrocellulose
Nitrocellulose
1 1 Wikipedia NIST
Nitrochloroform
CCl3NO2
NIST
Nitrocyclohexane 1 1 NIST
Nitrogen dioxide
NO2
16 14 Wikipedia NIST
Nitrogen monoxide
NO
20 14 Wikipedia NIST
Nitrogen sesquioxide
N2O3
2 2 Wikipedia NIST
Nitrogen trioxide
NO3
1 Wikipedia NIST
Nitrogen(II) oxide
NO
20 14 Wikipedia NIST
Nitrogen(IV) oxide
NO2
16 14 Wikipedia NIST
Nitroglycerin 1 2 Wikipedia NIST
Nitroglycerine 1 2 Wikipedia NIST
Nitroguanidine 1 Wikipedia NIST
Nitromethane
CH3–NO2
1 2 Wikipedia NIST
Nitromethane, protonated 1 NIST
Nitronium ion
[NO2]+
3 6 Wikipedia NIST
Nitronium nitrate
N2O5
2 4 Wikipedia NIST
Nitronium tetrafluoroborate
[NO2]+[BF4]
1 Wikipedia NIST
Nitrooxonium ion 2 1 NIST
4-Nitrophenacyl bromide 1 1 NIST
3-Nitrophenol 1 NIST
4-Nitrophenol 1 Wikipedia NIST
3-Nitrophenoxide ion 1 NIST
4-Nitrophenoxide ion 1 NIST
N-(2-(4-Nitrophenyl)-1-hydroxymethyl-2-oxoethyl)ethanamide 1 1 NIST
N-(2-(4-Nitrophenyl)-2-hydroxy-1-hydroxymethylethyl)ethanamide 1 1 NIST
N-(2-(-4-Nitrophenyl)-2-oxoethyl)ethanamide 1 1 NIST
1-(4-Nitrophenyl)ethanone 1 NIST
4-Nitrophenylammonium ion 1 NIST
Nitrosobenzene 1 Wikipedia NIST
Nitrosodisulfonate
(KSO3)2NO
1 Wikipedia NIST
Nitrosonium ion
[NO]+
2 3 Wikipedia NIST
Nitrosyl chloride
NOCl
5 1 Wikipedia NIST
Nitrosyl hydrogen sulfate
NOHSO4
2 3 NIST
Nitrosyl ion
[NO]+
2 3 Wikipedia NIST
Nitrosyl sulfuric acid
NOHSO4
2 3 NIST
Nitrous acid
HNO2
9 10 Wikipedia NIST
Nitrous oxide
N2O
4 2 Wikipedia NIST
Nitryl chloride
Cl–NO2
3 Wikipedia NIST
Nitryl ion
[NO2]+
3 6 Wikipedia NIST
NMP 1 Wikipedia NIST
NO
NO
20 14 Wikipedia NIST
NO2
NO2
16 14 Wikipedia NIST
NO2BF4
[NO2]+[BF4]
1 Wikipedia NIST
NO2Cl
Cl–NO2
3 Wikipedia NIST
[NO2]+
[NO2]+
3 6 Wikipedia NIST
[NO2]-
[NO2]
2 6 NIST
NO3
NO3
1 Wikipedia NIST
[NO3]-
[NO3]
15 28 Wikipedia NIST
NOCl
NOCl
5 1 Wikipedia NIST
NOHSO4
NOHSO4
2 3 NIST
Noradrenaline Wikipedia NIST
cis 5-Norbornene -endo -2,3-dicarboxylic anhydride 1 NIST
cis 5-Norbornene -exo-2,3- dicarboxylic anhydride 1 NIST
Norepinephrine Wikipedia NIST
Nosean
Na8Al6Si6O24
(SO4)
Wikipedia
Noselite
Na8Al6Si6O24
(SO4)
Wikipedia
[NO]+
[NO]+
2 3 Wikipedia NIST
Nylon-6 1 Wikipedia NIST
Nylon-6,6
Nylon-6,6
1 Wikipedia NIST
O
O
6 14 NIST
[O]
[O]
14 NIST
O(CH2)2O 2 1 Wikipedia NIST
O2
O2
60 163 Wikipedia NIST
O2 (singlet, 1st excited state)
O2
2 1 Wikipedia NIST
O2 (singlet, 2nd excited state)
1Σ+gO2
Wikipedia NIST
O2F2
O2F2
1 Wikipedia NIST
[O2]+
[O–O]+
1 NIST
[O2]-
[O–O]
5 Wikipedia NIST
[O2]2-
O–O
6 Wikipedia NIST
O3
O3
1 11 Wikipedia NIST
[O3]-
[O3]
1 Wikipedia NIST
(OCH2O)n 1 Wikipedia NIST
OCNH
HNCO
1 NIST
Octacarbonyldicobalt(0)
Co2(CO)8
1 1 NIST
(9Z, 12Z)-Octadecadienoic acid
Linoleic
Acid
4 Wikipedia NIST
Octadecanoic acid
CH3(CH2)16COOH
1 NIST
(9Z, 12Z, 15Z)-Octadecatrienoic acid
Linolenic
Acid
1 Wikipedia NIST
(9Z)-Octadecenoic acid
Oleic Acid
6 Wikipedia NIST
Octahedrite
TiO2
1 Wikipedia
1,9-beta-Octalone 4 NIST
Octogen 1 Wikipedia NIST
OF2
OF2
1 Wikipedia NIST
OH.
HO•
12 8 Wikipedia NIST
[OH3]+
[H3O]+
5 5 NIST
[OH]+
[HO]+
1 NIST
[OH]-
[OH]
25 79 Wikipedia NIST
Oil of aniseed Wikipedia NIST
Oil of cloves 1 NIST
Oil of nutmeg NIST
Oil of peppermint component Wikipedia NIST
Oil of sassafras Wikipedia NIST
Oil of thyme and mint Wikipedia NIST
Oil of vanilla bean Wikipedia NIST
Oil of vitriol
H2SO4
25 74 Wikipedia NIST
Oleic acid
Oleic Acid
6 Wikipedia NIST
Oleum
H2S2O7
1 6 Wikipedia NIST
Olivenite
Cu2AsO4(OH)
Wikipedia
Olivine
(Mg,Fe)2SiO4
Wikipedia
[ONC]-
[O=N=C]
2 Wikipedia NIST
Opal
SiO2.nH2O
Wikipedia
Orthoborate ion
[BO3]3–
Wikipedia NIST
Orthoboric acid
H3BO3
10 9 Wikipedia NIST
Orthoclase
KAlSi3O8
Wikipedia
Tetrahydroorthoperiodate ion
[H4IO6]
1 1 NIST
Orthoperiodate (trihydrogen) ion
[H3IO6]2–
1 NIST
Orthoperiodic acid
H5IO6
3 1 Wikipedia NIST
Orthophosphoric acid
H3PO4
8 7 Wikipedia NIST
Orthophosphorus acid
H3PO3
8 1 Wikipedia NIST
Orthosilicate ion
[SiO4]4–
2 Wikipedia NIST
Osmic acid
OsO4
Wikipedia NIST
Osmium tetroxide
OsO4
Wikipedia NIST
Osmium(IV) oxide
OsO2
NIST
Osmium(VIII) oxide
OsO4
Wikipedia NIST
OsO2
OsO2
NIST
OsO4
OsO4
Wikipedia NIST
ox- (ligand)
[C2O4]2–
1 13 Wikipedia NIST
7-Oxabicyclo [2.2.1] hepta-5-ene- 2,3-dicarboxylic anhydride 1 NIST
Oxalaldehyde 1 1 Wikipedia NIST
Oxalate dianion
[C2O4]2–
1 13 Wikipedia NIST
Oxalate monoanion 1 1 NIST
Oxalate, sodium 2 1 Wikipedia NIST
Oxalic acid 5 2 Wikipedia NIST
Oxalic acid diamide 1 Wikipedia NIST
Oxaloacetic acid 1 1 Wikipedia NIST
Oxalosuccinic acid 1 1 Wikipedia NIST
Oxalyl chloride Wikipedia NIST
Oxamide 1 Wikipedia NIST
Oxammonium hydrochloride 1 Wikipedia NIST
1-Oxaspiro[2.5]octane 1 NIST
Oxazole Wikipedia NIST
1,2-Oxazole Wikipedia NIST
Oxene
O
6 14 NIST
Oxenium ion
[HO]+
1 NIST
2-Oxepanone 1 Wikipedia NIST
Oxidane
H2O
529 531 Wikipedia NIST
Oxide ion
O2–
1 27 NIST
Oxirane 2 13 Wikipedia NIST
Oxo gas
CO + H2
Oxo Gas
2 NIST
2-Oxo-10-boranesulfonic acid 1 1 NIST
2-Oxobutanedioic acid 1 1 Wikipedia NIST
5-Oxohexanenitrile 1 1 NIST
1,3-Oxolane 1 NIST
Oxonium ion
[H3O]+
5 5 NIST
Oxonium ion, diethyl 1 NIST
Oxonium ion, dimethyl 1 NIST
Oxonium ion, dimethylamino hydroxy 1 NIST
Oxonium ion, ethyl 1 2 NIST
Oxonium ion, hydrated 1 Wikipedia NIST
Oxonium ion, isopropyl 2 NIST
Oxonium ion, methyl 1 NIST
Oxonium ion, nitro 2 1 NIST
Oxonium ion, phenyl 1 NIST
Oxonium ion, protonated 1,4-dioxane 1 NIST
Oxonium ion, protonated THF 1 NIST
Oxonium ion, tertiary butyl 2 NIST
Oxonium ion, triethyl
[(CH3CH2)3O]+
NIST
Oxonium ion, trihydrated 1 Wikipedia NIST
Oxonium ion, trimethyl
[(CH3)3O]+
NIST
Oxonium ion, triphenyl NIST
Oxonium ion/18-Crown-6 Complex 2 NIST
Oxonium, triethyl tetrafluoroborate
[Et3O]+[BF4]
1 Wikipedia NIST
2-Oxopentanedioic acid 1 1 Wikipedia NIST
Oxygen
O2
60 163 Wikipedia NIST
Oxygen delivered equivalents
[O]
14 NIST
Oxygen difluoride
OF2
1 Wikipedia NIST
Oxygen hydride
H2O
529 531 Wikipedia NIST
Oxygen ion
O2–
1 27 NIST
Oxygen, 1st excited singlet state
O2
2 1 Wikipedia NIST
Oxygen, 2nd excited singlet state
1Σ+gO2
Wikipedia NIST
Oxyl radical
HO•
12 8 Wikipedia NIST
Ozone
O3
1 11 Wikipedia NIST
Ozonide ion
[O3]
1 Wikipedia NIST
[O]2-
O2–
1 27 NIST
P (proline) 1 1 Wikipedia NIST
P2O3
P2O3
1 2 Wikipedia NIST
P2O5
P2O5
3 8 Wikipedia NIST
P4O10
P2O5
3 8 Wikipedia NIST
PA 3 4 Wikipedia NIST
Palladium(II) oxide
PdO
Wikipedia NIST
Palmitic acid
CH3(CH2)14COOH
6 Wikipedia NIST
Palmitoleic acid
Palmitoleic
Acid
Wikipedia NIST
Paracetaldehyde 1 Wikipedia NIST
Paracetamol Wikipedia NIST
Paraformaldehyde
(CH2O)n
1 1 Wikipedia NIST
Paraldehyde 1 Wikipedia NIST
Paramorphine Wikipedia NIST
Paraperiodic acid
H5IO6
3 1 Wikipedia NIST
Paris red
Pb3O4
Wikipedia NIST
Pb(MnO4)2
Pb(MnO4)2
1 NIST
Pb(NO3)2
Pb(NO3)2
1 2 Wikipedia NIST
Pb(OAc)2
Pb(CH3COO)2
1 Wikipedia NIST
Pb(OAc)4
Pb(OCOCH3)4
2 Wikipedia NIST
Pb2O3
Pb2O3
NIST
Pb3(PO4)2
Pb3(PO4)2
1 NIST
Pb3O4
Pb3O4
Wikipedia NIST
PbCO3
PbCO3
1 Wikipedia NIST
PbCrO4
PbCrO4
1 Wikipedia NIST
PbO
PbO
1 3 Wikipedia NIST
PbO2
PbO2
4 Wikipedia NIST
PbSO4
PbSO4
1 1 Wikipedia NIST
PCC 2 Wikipedia NIST
PdO
PdO
Wikipedia NIST
Pearl ash
K2CO3
4 2 Wikipedia NIST
Pectolite
NaCa2Si3
O8(OH)
Wikipedia
Penbritin Wikipedia NIST
Penbritin Wikipedia NIST
Pentaaquahydroxychromium(III) ion

Cr(H2O)5(OH)]2+

2 NIST
Pentaaquahydroxyiron(III) ion

[Co(NH3)6]2+

1 NIST
Pentaaquathiocyanatoiron(III) ion

[Fe(H2O)5(SCN)]2+

1 NIST
Pentaaquaoxovanadium(IV) ion

[VO]2+
[VO(H2O)5]2+

3 3 NIST
Pentaerythritol 1 1 Wikipedia NIST
Pentaerythrityl tetranitrate 1 1 Wikipedia NIST
Pentan-1-ol 2 Wikipedia NIST
Pentan-2-ol 1 1 NIST
Pentan-2-one 1 5 Wikipedia NIST
Pentanal 1 3 Wikipedia NIST
2,4-Pentanedione 2 2 Wikipedia NIST
2,4-Pentanedione anion 1 Wikipedia NIST
Pentanoic acid 3 Wikipedia NIST
1-Pentanol 2 Wikipedia NIST
2-Pentanol 1 1 NIST
2-Pentanone 1 5 Wikipedia NIST
Pentasodium triphosphate 1 Wikipedia NIST
Peracetic acid
CH3COOOH
3 4 Wikipedia NIST
Perbromate ion
[BrO4]
1 Wikipedia NIST
Perchlorate ion
[ClO4]
5 Wikipedia NIST
Perchloric acid
HClO4
4 1 Wikipedia NIST
Periodate ion
[IO4]
1 Wikipedia NIST
Periodic acid
H5IO6
3 1 Wikipedia NIST
Periodic acid, para
H5IO6
3 1 Wikipedia NIST
Perlon® 1 Wikipedia NIST
Permanganate ion
[MnO4]
2 14 NIST
Peroxide ion
O–O
6 Wikipedia NIST
1,4-Peroxido-p-menthene-2 1 Wikipedia NIST
Peroxodisulfate(VI) ion 4 NIST
Peroxodisulfuric acid 2 1 NIST
Peroxymonosulfuric acid 2 2 Wikipedia NIST
Perspex 1 Wikipedia NIST
Persulfuric acid 2 2 Wikipedia NIST
Perxenate ion
[XeO6]4–
1 Wikipedia NIST
PET
Terylene
2 Wikipedia NIST
Petalite
LiAlSi4O10
1 Wikipedia
PETE
Terylene
2 Wikipedia NIST
Pethidine hydrochloride Wikipedia NIST
PETN 1 1 Wikipedia NIST
Ph3COH 1 Wikipedia NIST
Ph3PO
(C6H5)3P=O
1 Wikipedia NIST
PhCH2OH 5 1 Wikipedia NIST
PhCHO 2 6 Wikipedia NIST
PhCOCl 1 Wikipedia NIST
PhCOMe 3 2 Wikipedia NIST
PhCONH2 Wikipedia NIST
PhCOOH 6 2 Wikipedia NIST
[PhCOO]- 2 2 Wikipedia NIST
[PhCO]+ 3 NIST
Phe 1 1 Wikipedia NIST
Phenakite
Be2SiO4
1 Wikipedia
sec-Phenethyl alcohol 1 1 NIST
Phenol 8 10 Wikipedia NIST
Phenolphthalein
Phenolphthalein
Wikipedia NIST
Phenoxide ion 2 7 NIST
Phenyl acetate 1 NIST
Phenyl ethanoate 1 NIST
Phenyl ether NIST
N-Phenyl hydroxylamine 1 Wikipedia NIST
Phenyl propyl ketone 2 NIST
1-Phenyl-1-butanone 2 NIST
3-Phenyl -2-propen-1-ol 2 Wikipedia NIST
cis beta-Phenylacrylic acid 1 NIST
trans beta-Phenylacrylic acid 1 Wikipedia NIST
Phenylalanine 1 1 Wikipedia NIST
Phenylalanine, deprotonated 1 Wikipedia NIST
Phenylalanine, protonated 1 Wikipedia NIST
4-Phenylbutanoic acid 3 NIST
4-Phenylbutyric acid 3 NIST
N-Phenylethanamide 2 1 Wikipedia NIST
1-Phenylethanol 1 1 NIST
Phenylethanone 3 2 Wikipedia NIST
Phenylethanone SeAr intermediate 1 1 NIST
(1R)-1-Phenylethyl ethanoate 1 NIST
(1S)-1-Phenylethyl ethanoate 1 NIST
(+/-) Phenylglycolic acid 1 Wikipedia NIST
Phenylmethanol 5 1 Wikipedia NIST
Phenyloxonium ion 1 NIST
3-Phenylpropan-1-ol 2 NIST
3-Phenylpropenal 3 Wikipedia NIST
Phenylsulfinate ion 2 NIST
PhNO 1 Wikipedia NIST
PhNO2 3 6 Wikipedia NIST
PhOH 8 10 Wikipedia NIST
PhOMe 2 Wikipedia NIST
PhOPh NIST
Phosgene 2 6 Wikipedia NIST
Phosphate dianion, hydrogen
[HPO4]2–
1 2 NIST
Phosphate ion
[PO4]3–
2 7 Wikipedia NIST
Phosphate ion, dihydrogen
[H2PO4]
1 3 NIST
Phosphate minerals
Phosphate
Rock
1 Wikipedia
Phosphate rock
Phosphate
Rock
1 Wikipedia
Phosphite ion
[HPO3]2–
1 Wikipedia NIST
Phosphite ion, hydrogen
[H3PO4]
1 1 NIST
Phosphite, triethyl
(CH3CH2O)3P
4 Wikipedia NIST
Phosphite, trimethyl
(CH3O)3P
Wikipedia NIST
Phospholeum 1 Wikipedia NIST
Phosphonate, benzyl diethyl 1 NIST
Phosphoric acid
H3PO4
8 7 Wikipedia NIST
Phosphoric acid, hypo 1 NIST
Phosphoric acid, poly 1 Wikipedia NIST
Phosphoric acid, pyro 2 Wikipedia NIST
Phosphorus acid
H3PO3
8 1 Wikipedia NIST
Phosphorus acid, hypo
H3PO2
2 2 Wikipedia NIST
Phosphorus acid, pyro NIST
Phosphorus oxychloride
POCl3
6 4 Wikipedia NIST
Phosphorus pentoxide
P2O5
3 8 Wikipedia NIST
Phosphorus trioxide
P2O3
1 2 Wikipedia NIST
[PhO]- 2 7 NIST
PhSO2Me 1 NIST
[PhSO2]- 2 NIST
[PhSO3]- 1 NIST
Phthalate (o) (hydrogen) ion 1 1 NIST
o-Phthalate dianion 1 NIST
o-Phthalic acid 2 1 Wikipedia NIST
Phthalic anhydride 3 4 Wikipedia NIST
Phthalimide 3 Wikipedia NIST
Phthalimide ion 2 Wikipedia NIST
Phthalimide, potassium salt 1 Wikipedia NIST
Picrate ion 1 Wikipedia NIST
Picric acid 2 1 Wikipedia NIST
Picrite 1 Wikipedia NIST
Pimelic ketone 5 5 Wikipedia NIST
Pinacolone 1 1 Wikipedia NIST
Pitchblende
UO2
Wikipedia
Pivalic acid 1 NIST
Plagioclase
NaAlSi3O8
CaAl2Si2O8
Wikipedia
Plaster of Paris
CaSO4
.½H2O
1 1 Wikipedia NIST
Platinum trioxide
PtO3
NIST
Platinum(II) oxide
PtO
NIST
Platinum(II,IV) oxide
Pt3O4
NIST
Platinum(IV) oxide
PtO2
Wikipedia NIST
Platinum(VI) oxide
PtO3
NIST
Plattnerite
PbO2
4 Wikipedia NIST
Plexiglass 1 Wikipedia NIST
[PO4]3-
[PO4]3–
2 7 Wikipedia NIST
POCl3
POCl3
6 4 Wikipedia NIST
Poly(dimethysiloxane)
[(CH3)2SiO]n
1 NIST
Polyacetal 1 Wikipedia NIST
Polycarbonate
Polycarbonate
1 Wikipedia NIST
Polyethylene terephthalate
Terylene
2 Wikipedia NIST
Polyethylene-silane graft 1 1 NIST
Polymethylmethacrylate 1 Wikipedia NIST
Polyoxymethylene 1 Wikipedia NIST
Polyphosphoric acid 1 Wikipedia NIST
Polyurethane
Polyurethane
1 Wikipedia NIST
Polyvinyl alcohol 1 Wikipedia NIST
Polyvinylacetate 1 1 Wikipedia NIST
Potassium acid carbonate
KHCO3
2 1 Wikipedia NIST
Potassium alum
KAl(SO4)2
.12H2O
1 Wikipedia NIST
Potassium arsenite
KAsO2
Wikipedia NIST
Potassium bicarbonate
KHCO3
2 1 Wikipedia NIST
Potassium bromate
NaBrO3
1 1 Wikipedia NIST
Potassium tertiary butoxide 2 2 NIST
Potassium carbonate
K2CO3
4 2 Wikipedia NIST
Potassium chlorate
KClO3
2 2 Wikipedia NIST
Potassium dichromate(VI)
K2Cr2O7
1 5 Wikipedia NIST
Potassium dioxide
K2O
3 3 Wikipedia NIST
Potassium hydrogen carbonate
KHCO3
2 1 Wikipedia NIST
Potassium hydroxide
KOH
12 18 Wikipedia NIST
Potassium ion 18-crown-6 complex 2 NIST
Potassium manganate(V)
K3MnO4
2 1 NIST
Potassium manganate(VI)
K2MnO4
2 1 NIST
Potassium manganate(VII)
KMnO4
2 4 Wikipedia NIST
Potassium metaarsenite
KAsO2
Wikipedia NIST
Potassium nitrate
KNO3
3 1 Wikipedia NIST
Potassium nitrosodisulfonate
(KSO3)2NO
1 Wikipedia NIST
Potassium oxide
KO2
2 2 Wikipedia NIST
Potassium ozonide
KO3
2 NIST
Potassium perbromate
NaBrO4
2 NIST
Potassium perchlorate
KClO4
3 1 Wikipedia NIST
Potassium permanganate
KMnO4
2 4 Wikipedia NIST
Potassium peroxide
K2O2
2 Wikipedia NIST
Potassium phthalimide 1 Wikipedia NIST
Potassium sodium tartrate
KNa Tartrate
.4H2O
1 Wikipedia NIST
Potassium sulfate
K2SO4
2 1 Wikipedia NIST
Potassium sulphate
K2SO4
2 1 Wikipedia NIST
Potassium superoxide
K2O
3 3 Wikipedia NIST
Potassium trisalicaldehyde complex 1 NIST
Pr2O3
Pr2O3
NIST
Praseodymia
Pr2O3
NIST
Praseodymium(III) oxide
Pr2O3
NIST
Praseodymium(IV) oxide
PrO2
NIST
Precipitated silica
Si(OH)4
2 Wikipedia NIST
Prehnite
Ca2Al(AlSi3
O10)(OH)2
Wikipedia
Pro 1 1 Wikipedia NIST
PrO2
PrO2
NIST
Producer gas
CO + 2N2
producer gas
1 Wikipedia NIST
Proline 1 1 Wikipedia NIST
Proline, deprotonated 1 Wikipedia NIST
Proline, protonated 1 Wikipedia NIST
Propan-1-ol 4 2 Wikipedia NIST
Propan-2-ol 9 8 Wikipedia NIST
Propanal 3 3 Wikipedia NIST
Propane-1,2,3-triol 10 2 Wikipedia NIST
Propanedioic acid 2 2 Wikipedia NIST
Propanoate ion 1 NIST
Propanoic acid
CH3CH2COOH
5 1 Wikipedia NIST
Propanoic acid, ethyl ester 1 NIST
1-Propanol 4 2 Wikipedia NIST
2-Propanol 9 8 Wikipedia NIST
Propanone 15 19 Wikipedia NIST
Propanoyl chloride 1 NIST
Propargyl alcohol
HC≡CCH2OH
3 Wikipedia NIST
Propargyl alkoxide ion 1 NIST
2-Propen-1-ol 8 2 Wikipedia NIST
Propenal 3 4 Wikipedia NIST
1,2,3-Propenetricarboxylic acid 1 1 Wikipedia NIST
Propenoic acid 6 Wikipedia NIST
(2-Propenoxy)benzene 1 NIST
2-(2-Propenyl)phenol 1 NIST
Propinioc acid
CH3CH2COOH
5 1 Wikipedia NIST
beta-Propiolactone 1 6 Wikipedia NIST
Propionaldehyde 3 3 Wikipedia NIST
Propionyl chloride 1 NIST
2-Propyl alkoxide ion
[(CH3)2CH–O]
2 1 NIST
Propyl propanoate 1 NIST
Propylene chlorohydrin 1 1 NIST
Propylene oxide 3 1 Wikipedia NIST
2-Propyn-1-ol
HC≡CCH2OH
3 Wikipedia NIST
Prostaglandin E1
PGE1
Wikipedia NIST
Prostaglandin E2 Wikipedia NIST
Prostaglandin F2 alpha
PGE
Wikipedia NIST
Protonated ethanol 1 2 NIST
Protonated formaldehyde 1 NIST
D-Psicose Wikipedia NIST
Psilocybin Wikipedia NIST
Psilocybine Wikipedia NIST
Psilomelane
MnxOy
mixture of oxides
Wikipedia
Pt3O4
Pt3O4
NIST
PtO
PtO
NIST
PtO2
PtO2
Wikipedia NIST
PtO3
PtO3
NIST
Pulmbous pulmbate
Pb2O3
NIST
Pyrex® glass
Pyrex®
1 Wikipedia
Pyridine-3-carboxylic acid 4 Wikipedia NIST
3-Pyridinecarboxylic acid amide 1 1 Wikipedia NIST
Pyridinium chlorochromate 2 Wikipedia NIST
2,4,(1H,3H)-Pyrimidinedione
Uracil
U
Wikipedia NIST
Pyrimidinetrione 1 Wikipedia NIST
Pyrochlore
(Ca,Na)2Nb2O6
(O,OH,F)
Wikipedia
Pyrolusite
MnO2
1 Wikipedia
Pyromorphite
Pb5(PO4)3Cl
Wikipedia
Pyrophosphoric acid 2 Wikipedia NIST
Pyrophosphorus acid NIST
Pyrosulfite ion 2 NIST
Pyrosulfuric acid
H2S2O7
1 6 Wikipedia NIST
Pyrosulfurous acid 1 NIST
Pyroxylin
Nitrocellulose
1 1 Wikipedia NIST
2,5-Pyrrolidinedione 2 Wikipedia NIST
2-Pyrrolidinone 1 Wikipedia NIST
Pyruvate ion 1 NIST
Pyruvic acid 1 Wikipedia NIST
Pyrylium ion 1 NIST
Pyrylium tetrafluoroborate 1 NIST
Q (glutamine) 1 1 Wikipedia NIST
Quartz
SiO2
Wikipedia
Quartz glass
Quartz Glass
SiO2
Wikipedia NIST
Quick lime
CaO
7 6 Wikipedia NIST
Quinol 2 Wikipedia NIST
Quinone 3 1 Wikipedia NIST
R (arginine) 1 1 Wikipedia NIST
Rb2O
Rb2O
2 1 Wikipedia NIST
Rb2O2
Rb2O2
2 NIST
RbO2
RbO2
2 NIST
RbOH
RbOH
7 2 Wikipedia NIST
RDX 1 3 Wikipedia NIST
Re2O7
Re2O7
Wikipedia NIST
Red copper ore
Cu2O
1 Wikipedia
Red lead
Pb3O4
Wikipedia NIST
ReO2
ReO2
NIST
ReO3
ReO3
NIST
11-cis-Retinal
11-cis-Retinal
1 Wikipedia NIST
trans-Retinal
trans-Retinal
1 1 Wikipedia NIST
Retinol
Retinol
Vitamin A
1 Wikipedia NIST
Reychlers acid 1 1 NIST
Rhenic anhydride
ReO3
NIST
Rhenium(IV) oxide
ReO2
NIST
Rhenium(VI) oxide
ReO3
NIST
Rhenium(VII) oxide
Re2O7
Wikipedia NIST
Rhodochrosite
MnCO3
1 Wikipedia
Rhodonite
(Mn2+,Fe22+,
Mg,Ca)SiO3
Wikipedia
D-Ribose 1 1 Wikipedia NIST
D-Ribulose Wikipedia NIST
Rochelle salt
KNa Tartrate
.4H2O
1 Wikipedia NIST
Rock fiber
Rock Fiber
Wikipedia
Rock wool
Rock Fiber
Wikipedia
Rubbing alcohol 9 8 Wikipedia NIST
Rubidium hydroxide
RbOH
7 2 Wikipedia NIST
Rubidium oxide
Rb2O
2 1 Wikipedia NIST
Rubidium peroxide
Rb2O2
2 NIST
Rubidium superoxide
RbO2
2 NIST
Ruby
Al2O3
Wikipedia
RuO2
RuO2
Wikipedia NIST
RuO4
RuO4
Wikipedia NIST
Ruthenium tetroxide
RuO4
Wikipedia NIST
Ruthenium(IV) oxide
RuO2
Wikipedia NIST
Ruthenium(VIII) oxide
RuO4
Wikipedia NIST
Rutile
TiO2
1 Wikipedia
S (serine) 1 1 Wikipedia NIST
[S2O3]2- 2 6 Wikipedia NIST
[S2O4]2- 1 3 Wikipedia NIST
[S2O5]2- 2 NIST
[S2O6]2- 2 Wikipedia NIST
[S2O8]2- 4 NIST
[S4O6]2- 1 3 Wikipedia NIST
Safrole Wikipedia NIST
Sal polychrestum
K2SO4
2 1 Wikipedia NIST
Salicyate dianion 1 NIST
Salicyate ion 2 1 NIST
Salicylaldehyde 1 Wikipedia NIST
Salicylic acid 1 2 Wikipedia NIST
Salt cake
Na2SO4
14 4 Wikipedia NIST
Salt of tartar
K2CO3
4 2 Wikipedia NIST
Saltpeter
KNO3
3 1 Wikipedia NIST
Saltpetre
NaNO3
Wikipedia
Samaria
Sm2O3
Wikipedia NIST
Samarium(III) oxide
Sm2O3
Wikipedia NIST
Sanidine
K(AlSi3O8)
Wikipedia
Sapphire
Al2O3
Wikipedia
Sarcolactic acid 1 Wikipedia NIST
Sarin Wikipedia NIST
Sb2O3
Sb2O3
2 2 Wikipedia NIST
Sb2O5
Sb2O5
1 Wikipedia NIST
Sc2O3
Sc2O3
1 Wikipedia NIST
Scandia
Sc2O3
1 Wikipedia NIST
Scandium(III) oxide
Sc2O3
1 Wikipedia NIST
Scheelite
CaWO4
Wikipedia
Scorodite
FeAsO4.2H2O
Wikipedia
Secobarbital Sodium Wikipedia NIST
Seconal Sodium Wikipedia NIST
Selenate ion
[SeO4]2–
Wikipedia NIST
Selenate ion hydrogen
[HSeO4]
NIST
Selenic acid 1 Wikipedia NIST
Selenite (hydrogen) ion
[HSeO3]
1 1 NIST
Selenite ion
[SeO3]2–
1 NIST
Selenium dioxide
SeO2
1 1 Wikipedia NIST
Selenium oxide
SeO2
1 1 Wikipedia NIST
Selenium trioxide
SeO3
Wikipedia NIST
Selenous acid
H2SeO3
2 1 Wikipedia NIST
Selenyl bromide
SeOBr2
NIST
Selenyl chloride
SeOCl2
NIST
Selenyl fluoride
SeOF2
NIST
Semi-heavy water
DOH
1 NIST
SeO2
SeO2
1 1 Wikipedia NIST
SeO3
SeO3
Wikipedia NIST
[SeO3]2-
[SeO3]2–
1 NIST
[SeO4]2-
[SeO4]2–
Wikipedia NIST
SeOBr2
SeOBr2
NIST
SeOCl2
SeOCl2
NIST
SeOF2
SeOF2
NIST
Ser 1 1 Wikipedia NIST
Serine 1 1 Wikipedia NIST
Serine, deprotonated 1 Wikipedia NIST
Serine, protonated 1 Wikipedia NIST
Serpentine group
(Mg, Fe)3
Si2O5(OH)4
Wikipedia
SF2O2
SF2O2
1 Wikipedia NIST
Si(OH)4
Si(OH)4
2 Wikipedia NIST
Siderite
FeCO3
Wikipedia
Silane grafted polyethylene 1 1 NIST
Silane grafted polyethylene, partially hydrolysed 1 1 NIST
Sildenafil
Viagra
Wikipedia NIST
Siliate ion hydrogen
[HSiO3]
NIST
Silica
SiO2
5 21 Wikipedia NIST
Silicate ion
[SiO3]2–
1 3 Wikipedia NIST
Silicate of soda
Na2SiO3
solution
2 Wikipedia NIST
Silicic acid
Si(OH)4
2 Wikipedia NIST
Silicic acid, sodium salt
Na2SiO3
solution
2 Wikipedia NIST
Silicon dioxide
SiO2
5 21 Wikipedia NIST
Silicon(IV) oxide
SiO2
5 21 Wikipedia NIST
Silicone, dimethyl
[(CH3)2SiO]n
1 NIST
Sillimanite
Al2SiO5
Silver bromate
AgBrO3
1 NIST
Silver carbonate
Ag2CO3
3 2 Wikipedia NIST
Silver chromate(VI)
Ag2CrO4
2 Wikipedia NIST
Silver iodate
AgIO3
1 Wikipedia NIST
Silver nitrate
AgNO3
1 11 Wikipedia NIST
Silver oxalate
AgC2O4
1 Wikipedia NIST
Silver oxide
Ag2O
1 3 Wikipedia NIST
Silver peroxide
Ag2O2
Wikipedia NIST
Silver phosphate
Ag3PO4
1 NIST
Silver suboxide
Ag2O2
Wikipedia NIST
Silver sulfate
Ag2SO4
1 1 Wikipedia NIST
Silver(I) dithiosulfate ion
[Ag(S2O3)2]3–
3 NIST
Silver(I,III) oxide
Ag2O2
Wikipedia NIST
Singlet oxygen, 1st excited state
O2
2 1 Wikipedia NIST
Singlet oxygen, 2nd excited state
1Σ+gO2
Wikipedia NIST
SiO2
SiO2
5 21 Wikipedia NIST
[SiO3]2-
[SiO3]2–
1 3 Wikipedia NIST
[SiO4]4-
[SiO4]4–
2 Wikipedia NIST
Sioplas 1 NIST
Slag
CaSiO3
4 Wikipedia NIST
Slag fiber
Slag Fiber
Slag wool
Slag Fiber
Slaked lime
Ca(OH)2
7 14 Wikipedia NIST
Sm2O3
Sm2O3
Wikipedia NIST
Smithsonite
ZnCO3
1 Wikipedia
SnO
SnO
1 Wikipedia NIST
SnO2
Sn2O
2 Wikipedia NIST
SO2
SO2
31 45 Wikipedia NIST
SO2Cl2
SO2Cl2
1 2 Wikipedia NIST
SO3
SO3
10 12 Wikipedia NIST
[SO3]2-
[SO3]2–
2 7 Wikipedia NIST
[SO4]2-
[SO4]2–
18 22 Wikipedia NIST
Soap
Soap
1 Wikipedia
SOBr2
SOBr2
1 1 Wikipedia NIST
SOCl2
SOCl2
9 10 Wikipedia NIST
Soda
Na2CO3
11 17 Wikipedia NIST
Soda nitre
NaNO3
6 6 Wikipedia NIST
Soda nitre
NaNO3
Wikipedia
Soda-lime glass
Soda-Lime
Glass
1 Wikipedia
Sodalite
Na8(Al6Si6
O24)Cl2
Wikipedia
Sodium 5-ethyl-5-(1-methylbutyl)-2-thiobarbiturate Wikipedia NIST
Sodium acetate
CH3COONa
4 2 Wikipedia NIST
Sodium acid carbonate
NaHCO3
4 3 Wikipedia NIST
Sodium aluminate
NaAlO2
1 Wikipedia NIST
Sodium bicarbonate
NaHCO3
4 3 Wikipedia NIST
Sodium bisulfite
NaHSO3
1 Wikipedia NIST
Sodium bisulfite
NaHSO3
2 Wikipedia NIST
Sodium borate
Na2[B4O5(OH)4]
.8H2O
1 4 Wikipedia NIST
Sodium borate, fused
Na2B4O7
1 1 Wikipedia NIST
Sodium bromate
NaBrO3
2 1 Wikipedia NIST
Sodium carbonate
Na2CO3
11 17 Wikipedia NIST
Sodium carbonate perhydrate
2Na2CO3.3H2O2
Wikipedia NIST
Sodium chlorate(V)
NaClO3
4 5 Wikipedia NIST
Sodium chlorite
NaClO2
4 1 Wikipedia NIST
Sodium chlorite(III)
NaClO2
4 1 Wikipedia NIST
Sodium chromate
Na2CrO4
2 2 NIST
Sodium dichromate
Na2Cr2O7
.H2O
3 4 Wikipedia NIST
Sodium disulfite 4 1 NIST
Sodium dithionate 1 Wikipedia NIST
Sodium dithionite 5 Wikipedia NIST
Sodium ethanoate
CH3COONa
4 2 Wikipedia NIST
Sodium formate
HCOONa
5 2 Wikipedia NIST
Sodium hydrogen carbonate
NaHCO3
4 3 Wikipedia NIST
Sodium hydrogen sulfite
NaHSO3
2 Wikipedia NIST
Sodium hydroxide
NaOH
17 61 Wikipedia NIST
Sodium hydroxide solution
NaOH(aq)
5 37 Wikipedia NIST
Sodium hypochlorite solution
NaOCl(aq)
4 5 Wikipedia NIST
Sodium hyposulfite
Na2S2O3
5 4 Wikipedia NIST
Sodium metabisulphite 4 1 NIST
Sodium metaborate
NaBO2
Na3[B3O6]
4 1 NIST
Sodium methanoate
HCOONa
5 2 Wikipedia NIST
Sodium methoxide
NaOCH3
2 4 Wikipedia NIST
Sodium methylate
NaOCH3
2 4 Wikipedia NIST
Sodium nitrate
NaNO3
6 6 Wikipedia NIST
Sodium nitrite
NaNO2
7 3 Wikipedia NIST
Sodium orthoborate
Na3BO3
1 Wikipedia NIST
Sodium orthosilicate
Na2SiO3
solution
2 Wikipedia NIST
Sodium oxalate 2 1 Wikipedia NIST
Sodium oxide
Na2O
5 5 Wikipedia NIST
Sodium p-toluenesulfonchloramide Wikipedia NIST
Sodium perborate
Na2
[B2(OH)4(O2)2]
.6H2O
1 1 Wikipedia NIST
Sodium perborate
Na2
[B2(OH)4(O2)2]
.6H2O
1 1 Wikipedia NIST
Sodium percarbonate
2Na2CO3.3H2O2
Wikipedia NIST
Sodium perchlorate
NaClO4
2 2 Wikipedia NIST
Sodium peroxide
Na2O2
3 7 Wikipedia NIST
Sodium peroxoborate
Na2
[B2(OH)4(O2)2]
.6H2O
1 1 Wikipedia NIST
Sodium peroxoborate
Na2
[B2(OH)4(O2)2]
.6H2O
1 1 Wikipedia NIST
Sodium phosphate, tribasic
Na3PO4
1 Wikipedia NIST
Sodium pyrosulfite 4 1 NIST
Sodium secondary alkane sulfonate 2 Wikipedia NIST
Sodium sesquicarbonate
Na2CO3.NaHCO3
.2H2O
Wikipedia NIST
Sodium silicate solution
Na2SiO3
solution
2 Wikipedia NIST
Sodium sulfate
Na2SO4
14 4 Wikipedia NIST
Sodium sulfate decahydrate
Na2SO4
.10H2O
Wikipedia NIST
Sodium sulfite
Na2SO3
3 6 Wikipedia NIST
Sodium sulfite septahydrate
Na2SO3
.7H2O
1 Wikipedia NIST
Sodium superoxide
NaO2
2 Wikipedia NIST
Sodium tetraborate tetrahydrate
Na2[B4O5(OH)4]
.8H2O
1 4 Wikipedia NIST
Sodium tetrahydroxyaluminate
Na[Al(OH)4]
2 1 NIST
Sodium tetrathionate
Na2S4O6
2 NIST
Sodium thiopental Wikipedia NIST
Sodium thiosulfate
Na2S2O3
5 4 Wikipedia NIST
Sodium tripolyphosphate 1 Wikipedia NIST
SOF2
SOF2
1 1 Wikipedia NIST
Soluble glass
Na2SiO3
solution
2 Wikipedia NIST
Soman Wikipedia NIST
Sorbitol 1 Wikipedia NIST
D-Sorbose Wikipedia NIST
Sphene
CaTiSiO5
Wikipedia
Spinel
MgAl2O4
Wikipedia
Spiro[2.2]-1-oxopentane 1 1 NIST
Spodumene
LiAl(SiO3)2
1 Wikipedia
Sr(OH)2
Sr(OH)2
6 1 Wikipedia NIST
SrC2O4
SrC2O4
1 NIST
SrCO3
SrCO3
1 1 Wikipedia NIST
SrO
SrO
4 2 Wikipedia NIST
SrSO4
SrSO4
1 2 Wikipedia NIST
Stannic oxide
Sn2O
2 Wikipedia NIST
Stannous oxide
SnO
1 Wikipedia NIST
Starch
Starch
3 Wikipedia
Staurolite
(Fe,Mg)2(AlFe)9
Si4O20(O,OH)
Wikipedia
Steam
H2O(g)
3 1 Wikipedia NIST
Stearic acid
CH3(CH2)16COOH
1 NIST
STPP 1 Wikipedia NIST
Strontia
SrO
4 2 Wikipedia NIST
Strontianite
SrCO3
Wikipedia
Strontium carbonate
SrCO3
1 1 Wikipedia NIST
Strontium hydroxide
Sr(OH)2
6 1 Wikipedia NIST
Strontium oxalate
SrC2O4
1 NIST
Strontium oxide
SrO
4 2 Wikipedia NIST
Strontium sulfate
SrSO4
1 2 Wikipedia NIST
(-) Strychnine 1 Wikipedia NIST
(-) Strychnine, protonated 1 Wikipedia NIST
Succinate (hydrogen) ion 1 1 NIST
Succinate dianion 3 NIST
Succinic acid 2 2 Wikipedia NIST
Succinimide 2 Wikipedia NIST
Succinimide anion 1 Wikipedia NIST
Succinnnic anhydride 2 NIST
Succinyl coenzyme A 1 1 Wikipedia NIST
Succinyl oxide 2 NIST
Succinyl-CoA 1 1 Wikipedia NIST
Sucrose
Sucrose
1 Wikipedia NIST
Sugar
Sucrose
1 Wikipedia NIST
Sulfamic acid
H2NSO3H
2 Wikipedia NIST
Sulfamide
H2NSO2NH2
1 Wikipedia NIST
Sulfate ion
[SO4]2–
18 22 Wikipedia NIST
Sulfinate (phenyl) ester, methyl 1 NIST
Sulfinate ion, phenyl 2 NIST
Sulfite ion
[SO3]2–
2 7 Wikipedia NIST
Sulfolane 1 Wikipedia NIST
Sulfolene 1 1 Wikipedia NIST
Sulfone, benzylphenyl 1 NIST
Sulfone, methylphenyl 1 NIST
Sulfonium ion, dimethyl hydroxy 1 NIST
Sulfoxonium iodide, trimethyl 2 NIST
Sulfoxonium ion, trimethyl 1 2 NIST
Sulfoxonium ylid, trimethyl 2 3 NIST
Sulfur dioxide
SO2
31 45 Wikipedia NIST
Sulfur trioxide
SO3
10 12 Wikipedia NIST
Sulfuric acid
H2SO4
25 74 Wikipedia NIST
Sulfuric acid (conc.)
H2SO4
25 74 Wikipedia NIST
Sulfuric(IV) acid
H2SO3
4 2 Wikipedia NIST
Sulfuric acid, aqueous
H2SO4(aq)
3 11 Wikipedia NIST
Sulfuric acid, di
H2S2O7
1 6 Wikipedia NIST
Sulfuric acid, per 2 2 Wikipedia NIST
Sulfurous acid
H2SO3
4 2 Wikipedia NIST
Sulfurous acid, di 1 NIST
Sulfuryl chloride
SO2Cl2
1 2 Wikipedia NIST
Sulfuryl fluoride
SF2O2
1 Wikipedia NIST
Sulphamic acid
H2NSO3H
2 Wikipedia NIST
Sulphate ion
[SO4]2–
18 22 Wikipedia NIST
Sulphite ion
[SO3]2–
2 7 Wikipedia NIST
Sulphur dioxide
SO2
31 45 Wikipedia NIST
Sulphur trioxide
SO3
10 12 Wikipedia NIST
Sulphuric acid (conc.)
H2SO4
25 74 Wikipedia NIST
Sulphuric acid, aqueous
H2SO4(aq)
3 11 Wikipedia NIST
Superoxide ion
[O–O]
5 Wikipedia NIST
Syngas
CO/H2
Syngas
6 6 Wikipedia NIST
Synthesis gas
CO/H2
Syngas
6 6 Wikipedia NIST
T (threonine) 1 1 Wikipedia NIST
T (thymine)
Thymine
T
1 Wikipedia NIST
Ta2O5
Ta2O5
Wikipedia NIST
Tabun Wikipedia NIST
D-Tagatose Wikipedia NIST
Talc
Mg3Si4O10
(OH)2
Wikipedia
D-Talose 1 Wikipedia NIST
Tantalic acid anhydride
Ta2O5
Wikipedia NIST
Tantalite
(Fe,Mn)
(Ta,Nb)2O6
Wikipedia
Tantalum pentoxide
Ta2O5
Wikipedia NIST
Tantalum(IV) oxide
TaO2
NIST
Tantalum(V) oxide
Ta2O5
Wikipedia NIST
TaO2
TaO2
NIST
d/l-Tartaric acid 2 Wikipedia NIST
Tartarus vitriolatus
K2SO4
2 1 Wikipedia NIST
Tartrate (hydrogen) ion 1 1 NIST
Tartrate dianion 1 NIST
TATP 1 1 Wikipedia NIST
Tb2O3
Tb2O3
NIST
TBME 1 Wikipedia NIST
tBuCOOH
(CH3)3C–COOH
1 NIST
tBuOH
(CH3)3COH
7 11 Wikipedia NIST
tBuOK 2 2 NIST
[tBuO]-
[(CH3)3C–O]
1 2 NIST
Tc2O7
Tc2O7
Wikipedia NIST
TcO2
TcO2
NIST
TcO3
TcO3
NIST
TDI 1 1 Wikipedia NIST
Te(OH)6
Te(OH)6
1 1 Wikipedia NIST
Technetium(IV) oxide
TcO2
NIST
Technetium(VI) oxide
TcO3
NIST
Technetium(VII) oxide
Tc2O7
Wikipedia NIST
Telluric acid
Te(OH)6
1 1 Wikipedia NIST
Tellurite (hydrogen) ion
[HTeO3]
1 1 NIST
Tellurite ion
[TeO3]2–
1 Wikipedia NIST
Tellurium dioxide
TeO2
1 Wikipedia NIST
Tellurium trioxide
TeO3
Wikipedia NIST
Tellurous acid
H2TeO3
1 Wikipedia NIST
TeO2
TeO2
1 Wikipedia NIST
TeO3
TeO3
Wikipedia NIST
[TeO3]2-
[TeO3]2–
1 Wikipedia NIST
Teraphthalic_acid 2 2 Wikipedia NIST
Terbia
Tb2O3
NIST
Terbium oxide
Tb2O3
NIST
Terylene
Terylene
2 Wikipedia NIST
Tetraamminodiaquacopper(II) ion

[Cu(NH3)4(H2O)2]2+

2 NIST
Tetraaquadihydroxycobalt(II)

Co(H2O)4(OH)2
Co(OH)2

3 1 NIST
Tetraaquadihydroxycopper(II)

Cu(H2O)4(OH)2
Cu(OH)2

3 1 NIST
Tetraaquadihydroxyiron(II)

Fe(H2O)4(OH)2
Fe(OH)2

4 1 NIST
Tetracarbonylcobalt(0)
Co2(CO)8
1 1 NIST
Tetracarbonylethylcobalt(I) 1 1 NIST
Tetracarbonylhydrocobalt(I)
HCo(CO)4
1 1 NIST
Tetradecanoic acid
CH3(CH2)12COOH
2 Wikipedia NIST
Tetrafluoromethane/Water Complex 1 NIST
Tetrahydrocannabinol Wikipedia NIST
Tetrahydrofuran 5 5 Wikipedia NIST
Tetrahydrofuran, protonated 1 NIST
Tetrahydrothiophene 1,1-dioxide 1 Wikipedia NIST
Tetrahydroxyaluminate ion
[Al(OH)4]
8 Wikipedia NIST
Tetrahydroxyberyllium ion
[Be(OH)4]2–
4 NIST
Tetrahydroxyborate ion
[B(OH)4]
5 NIST
alpha-Tetralone 4 NIST
Tetramethylene sulfone 1 Wikipedia NIST
Tetramethylenedisulfotetramine 1 Wikipedia NIST
Tetraphosphoric acid 1 Wikipedia NIST
Tetrathionate ion 1 3 Wikipedia NIST
Tetrathionic acid 1 NIST
TETS 1 Wikipedia NIST
Thallium(I) oxide
Tl2O
1 Wikipedia NIST
Thallium(III) oxide
Tl2O3
1 Wikipedia NIST
THC Wikipedia NIST
Thebaine Wikipedia NIST
Thenardite
Na2SO4
Wikipedia
THF 5 5 Wikipedia NIST
2-Thioethanol 1 NIST
Thioglycol 1 NIST
Thionyl bromide
SOBr2
1 1 Wikipedia NIST
Thionyl chloride
SOCl2
9 10 Wikipedia NIST
Thionyl fluoride
SOF2
1 1 Wikipedia NIST
Thiopental, sodium Wikipedia NIST
Thiosulfate ion 2 6 Wikipedia NIST
Thiosulfuric acid 1 1 Wikipedia NIST
Thiosulphate ion 2 6 Wikipedia NIST
ThO2
ThO2
Wikipedia NIST
Thorium dioxide
ThO2
Wikipedia NIST
Thr 1 1 Wikipedia NIST
Threonine 1 1 Wikipedia NIST
Threonine, deprotonated 1 Wikipedia NIST
Threonine, protonated 1 Wikipedia NIST
D-Threose 1 1 Wikipedia NIST
Thulia
Tm2O3
Wikipedia NIST
Thulium(III) oxide
Tm2O3
Wikipedia NIST
Thymine
Thymine
T
1 Wikipedia NIST
Thymine/Adenine dimer
T=A
1 NIST
Thymol Wikipedia NIST
Thymol blue, sodium salt
Thymol
Blue
Wikipedia NIST
Ti2O3
Ti2O3
Wikipedia NIST
Tin dioxide
Sn2O
2 Wikipedia NIST
Tin(II) oxide
SnO
1 Wikipedia NIST
Tin(IV) oxide
Sn2O
2 Wikipedia NIST
Tinstone
SnO2
Wikipedia
TiO
TiO
Wikipedia NIST
TiO2
TiO2
3 2 Wikipedia NIST
Titanite
CaTiSiO5
Wikipedia
Titanium dioxide
TiO2
3 2 Wikipedia NIST
Titanium(II) oxide
TiO
Wikipedia NIST
Titanium(III) oxide
Ti2O3
Wikipedia NIST
Titanium(IV) oxide
TiO2
3 2 Wikipedia NIST
Tl2O
Tl2O
1 Wikipedia NIST
Tl2O3
Tl2O3
1 Wikipedia NIST
Tm2O3
Tm2O3
Wikipedia NIST
TNT 1 3 Wikipedia NIST
Toluene diisocyanate 1 1 Wikipedia NIST
p-Toluenesulfonate ion 1 NIST
p-Toluenesulfonic acid monohydrate 2 Wikipedia NIST
p-Toluenesulfonylchloride 1 Wikipedia NIST
Topaz
Al2SiO4(OH,F)
Wikipedia
Torbernite
Cu(UO2)2(PO4)2
.8-12H2O
Wikipedia
TOSMIC Wikipedia NIST
Tosyl chloride 1 Wikipedia NIST
Tosylate ion 1 NIST
Tosylmethyl isocyanide Wikipedia NIST
Town gas
CO + H2
1 Wikipedia NIST
TPA 2 2 Wikipedia NIST
Tremolite asbestos
Ca2(Mg,Fe)5
Si8O22
Wikipedia
Triaquatrihydroxyaluminium
Al(H2O)3(OH)3
Al(OH)3
4 3 NIST
Triaquatrihydroxychromium(III)

Cr(H2O)3(OH)3
Cr(OH)3

3 3 NIST
Triaquatrihydroxyiron(III)

Fe(H2O)3(OH)3
Fe(OH)3

5 1 NIST
Tricalcium phosphate
Ca3(PO4)2
2 3 Wikipedia NIST
Tricarbon dioxide
O=C=C=C=O
1 2 Wikipedia NIST
Tricarbonylhydrocobalt(I)
HCo(CO)3
2 1 NIST
Tricarbonylpropanoylcobalt(I) 1 1 NIST
2,2,2-Trichloro-1,1-ethanediol 1 Wikipedia NIST
Trichloroacetate ion
[CCl3COO]
1 NIST
Trichloroacetic acid
CCl3COOH
2 Wikipedia NIST
Trichloroethanal
CCl3CHO
2 Wikipedia NIST
2,2,2-Trichloroethanol
CCl3CH2OH
1 Wikipedia NIST
2,2,2-Trichloro ethoxide ion 1 NIST
Trichloronitromethane
CCl3NO2
NIST
Tricloroacetaldehyde
CCl3CHO
2 Wikipedia NIST
Tricycloacetone peroxide 1 1 Wikipedia NIST
Triethyloxonium ion
[(CH3CH2)3O]+
NIST
Triethyloxonium tetrafluoroborate
[Et3O]+[BF4]
1 Wikipedia NIST
Triethylphosphate
(CH3CH2O)3P=O
3 1 NIST
Triethylphosphite
(CH3CH2O)3P
4 Wikipedia NIST
Triflate ion
[CF3SO3]
1 Wikipedia NIST
Triflic acid
CF3SO3H
1 Wikipedia NIST
Trifluoroacetate ion
[CF3COO]
1 NIST
Trifluoroacetic acid
CF3COOH
1 Wikipedia NIST
2,2,2-Trifluoroethanol
CF3CH2OH
1 Wikipedia NIST
2,2,2-Trifluoroethoxide ion 1 NIST
Trifluoromethane sulfonate ion
[CF3SO3]
1 Wikipedia NIST
Trifluoromethanesulfonic acid
CF3SO3H
1 Wikipedia NIST
Trihydrated oxonium ion 1 Wikipedia NIST
Trihydrogen germanate ion
[H3GeO4]
1 1 NIST
Trihydrogen ortho periodate ion
[H3IO6]2–
1 NIST
1,2,3-Trihydroxypropane 10 2 Wikipedia NIST
2,4,5-Trihydroxypyrimidine 1 Wikipedia NIST
Trimethoxy boron
B(OCH3)3
2 1 Wikipedia NIST
3,4,5-Trimethoxyphenethylamine Wikipedia NIST
Trimethoxyvinylsilane 1 NIST
Trimethyl borate
B(OCH3)3
2 1 Wikipedia NIST
Trimethylacetic acid
(CH3)3C–COOH
1 NIST
Trimethylacetic acid 1 NIST
4-(Trimethylammonium) phenol 1 NIST
4-(Trimethylammonium) phenoxide ion 1 NIST
Trimethyloxonium ion
[(CH3)3O]+
NIST
Trimethylphosphite
(CH3O)3P
Wikipedia NIST
alpha, omega-bis(trimethylsiloxy)poly(dimethylsiloxane)
[(CH3)2SiO]n
1 NIST
Trimethylsulfoxonium iodide 2 NIST
Trimethylsulfoxonium ion 1 2 NIST
Trimethylsulfoxonium ylid 2 3 NIST
1,3,5-Trinitrobenzene 1 NIST
2,4,6-Trinitrophenol 2 1 Wikipedia NIST
2,4,6-Trinitrophenoxide ion 1 Wikipedia NIST
2,4,6-Trinitrotoluene 1 3 Wikipedia NIST
Trioxan 1 NIST
1,3,5-Trioxane 1 NIST
2,4,6-Trioxohexahydropyrimidine 1 Wikipedia NIST
Trioxymethylene 1 NIST
Triphenylmethanol 1 Wikipedia NIST
Triphenyloxonium ion NIST
Triphenylphosphine oxide
(C6H5)3P=O
1 Wikipedia NIST
Triplet oxygen
O2
60 163 Wikipedia NIST
Triplumbic tetroxide
Pb3O4
Wikipedia NIST
Tris(ethanedioate)cobalt(II) ion
[Co(C2O4)3]4–
1 NIST
Tris(ethanedioate)iron(II) ion
[Fe(C2O4)3]3–
2 NIST
Trisodium hydrogendicarbonate
Na2CO3.NaHCO3
.2H2O
Wikipedia NIST
Triuranium octaoxide
U3O8
NIST
Trona
Na2CO3.NaHCO3
.2H2O
Wikipedia NIST
Tropylium chromium tricarbonyl cation 1 NIST
Trp 1 1 Wikipedia NIST
Truth serum or Truth drug Wikipedia NIST
Tryptophan 1 1 Wikipedia NIST
Tryptophan, deprotonated 1 Wikipedia NIST
Tryptophan, protonated 1 Wikipedia NIST
Tungstate ion
[WO4]2–
3 Wikipedia NIST
Tungsten(IV) oxide
WO2
Wikipedia NIST
Tungsten(VI) oxide
WO3
Wikipedia NIST
Tungsten(VI) oxide mono hydrate
WO3.H2O
1 Wikipedia NIST
Tungstic anhydride
WO3
Wikipedia NIST
Tungstite
WO3.H2O
Wikipedia
Turquoise
CuAl6(PO4)4
(OH)8.5H2O
Wikipedia
Tyr 1 1 Wikipedia NIST
Tyrosine 1 1 Wikipedia NIST
Tyrosine, deprotonated 1 1 Wikipedia NIST
Tyrosine, doubly-deprotonated 1 Wikipedia NIST
Tyrosine, protonated 1 NIST
Tyuyamunite
Ca(UO2)2(VO4)2
.5-10H2O
Wikipedia
U3O8
U3O8
NIST
Uracil
Uracil
U
Wikipedia NIST
Ulexite
NaCaB5O9
.8H2O
Wikipedia
UO2
UO2
1 2 Wikipedia NIST
UO3
UO3
Wikipedia NIST
Uraninite
UO2
Wikipedia
Uranium dioxide
UO2
1 2 Wikipedia NIST
Uranium trioxide
UO3
Wikipedia NIST
Uranium(IV) oxide
UO2
1 2 Wikipedia NIST
Uranium(IV, VI) oxide
U3O8
NIST
Uranium(VI) oxide
UO3
Wikipedia NIST
Urea 4 5 Wikipedia NIST
Urea, protonated 1 NIST
V (valine) 1 1 Wikipedia NIST
V(CO)6
V(CO)6
Wikipedia NIST
[V(H2O)6]2+

[V(H2O)6]2+

4 NIST
[V(H2O)6]3+

[V(H2O)6]3+

2 1 NIST
V2O3
V2O3
Wikipedia NIST
V2O5
V2O5
1 8 Wikipedia NIST
Val 1 1 Wikipedia NIST
Valeraldehyde 1 3 Wikipedia NIST
Valeric acid 3 Wikipedia NIST
Valine 1 1 Wikipedia NIST
Valine, deprotonated 1 Wikipedia NIST
Valine, protonated 1 Wikipedia NIST
Valium NIST
Vanadate(IV) ion
[VO]2+
2 NIST
Vanadinite
Pb5(VO4)3Cl
Wikipedia
Vanadium carbonyl
V(CO)6
Wikipedia NIST
Vanadium pentoxide
V2O5
1 8 Wikipedia NIST
Vanadium(II) hexaaquava ion

[V(H2O)6]2+

4 NIST
Vanadium(II) oxide
VO
Wikipedia NIST
Vanadium(III) dichlorotetraaqua ion

[VCl2(H2O)4]+

2 2 NIST
Vanadium(III) hexaaquava ion

[V(H2O)6]3+

2 1 NIST
Vanadium(III) oxide
V2O3
Wikipedia NIST
Vanadium(IV) oxide
VO2
Wikipedia NIST
Vanadium(IV) oxide
VO2
1 1 Wikipedia NIST
Vanadium(IV) oxide sulfate
VOSO4
[VO]2+ [SO4]2–
NIST
Vanadium(IV) pentaaquaoxo ion

[VO]2+
[VO(H2O)5]2+

3 3 NIST
Vanadium(V) dioxoaqua anion

[VO2]+
[VO(H2O)5]3+

2 3 NIST
Vanadium(V) oxide
V2O5
1 8 Wikipedia NIST
Vanadium(V) trioxo ion
[VO3]
2 NIST
Vanadyl sulfate
VOSO4
[VO]2+ [SO4]2–
NIST
Vandate(V) ion
[VO3]
2 NIST
Vanillin Wikipedia NIST
[VCl2(H2O)4]+

[VCl2(H2O)4]+

2 2 NIST
Vermiculite
(Mg,Fe2+,Fe3+)3
[(Al,Si)4O10](OH)2.
4H2O
Wikipedia
Viagra
Viagra
Wikipedia NIST
Vinyl acetate 3 1 Wikipedia NIST
Vinyl acetate polymer 1 1 Wikipedia NIST
Vinyl alcohol polymer 1 Wikipedia NIST
Vitamin A
Retinol
Vitamin A
1 Wikipedia NIST
VO
VO
Wikipedia NIST
[VO(H2O)5]2+

[VO]2+
[VO(H2O)5]2+

3 3 NIST
VO2
VO2
Wikipedia NIST
VO2
VO2
1 1 Wikipedia NIST
[VO2]+

[VO2]+
[VO(H2O)5]3+

2 3 NIST
[VO3]-
[VO3]
2 NIST
VOSO4
VOSO4
[VO]2+ [SO4]2–
NIST
[VO]2+
[VO]2+
2 NIST
W (tryptophan) 1 1 Wikipedia NIST
Wad
MnxOy.(H2O)n
mixture of hydrated oxides
Wikipedia
Wash active alkylsulfonate detergent 2 Wikipedia NIST
Washing soda
Na2CO3
11 17 Wikipedia NIST
Water
H2O
529 531 Wikipedia NIST
Water gas
CO + H2
water gas
1 Wikipedia NIST
Water glass
Na2SiO3
solution
2 Wikipedia NIST
Water hydrogen bonded dimer 1 NIST
Water of Kings
Aqua Regia
1 2 Wikipedia NIST
Water, heavy
D2
1 Wikipedia NIST
Water, semi-heavy
DOH
1 NIST
Water, steam
H2O(g)
3 1 Wikipedia NIST
Wavellite
Al3(PO4)2(OH)3
.5H2O
Wikipedia
Wheland intermediate, nitration of benzene 2 1 NIST
Willemite
Zn2SiO4
Wikipedia
Witherite
BaCO3
Wikipedia
WO2
WO2
Wikipedia NIST
WO3
WO3
Wikipedia NIST
WO3.H2O
WO3.H2O
1 Wikipedia NIST
[WO4]2-
[WO4]2–
3 Wikipedia NIST
Wolframite
(Fe,Mn)WO4
Wikipedia
Wollastonite
CaSiO3
Wikipedia
Wood alcohol
CH3OH
19 31 Wikipedia NIST
Wulfenite
PbMnO4
Wikipedia
Xenate ion
[HXeO4]
1 1 NIST
Xenon difluoride dioxide
XeO2F2
2 Wikipedia NIST
Xenon tetrafluoride oxide
XeOF4
3 1 Wikipedia NIST
Xenon tetroxide
XeO4
Wikipedia NIST
Xenon trioxide
XeO3
2 4 Wikipedia NIST
Xenotime
YPO4
Wikipedia
XeO2F2
XeO2F2
2 Wikipedia NIST
XeO3
XeO3
2 4 Wikipedia NIST
XeO4
XeO4
Wikipedia NIST
[XeO6]4-
[XeO6]4–
1 Wikipedia NIST
XeOF4
XeOF4
3 1 Wikipedia NIST
D-Xylose 1 1 Wikipedia NIST
D-Xylulose Wikipedia NIST
Y (tyrosine) 1 1 Wikipedia NIST
Y2O3
Y2O3
NIST
YPO4
YPO4
1 NIST
Ytterbia
Yb2O3
Wikipedia NIST
Ytterbium sesquioxide
Yb2O3
Wikipedia NIST
Ytterbium(III) oxide
Yb2O3
Wikipedia NIST
Yttria
Y2O3
NIST
Yttrium phosphate
YPO4
1 NIST
Yttrium(III) oxide
Y2O3
NIST
Zeolite 9 Wikipedia NIST
Zinc carbonate
ZnCO3
1 Wikipedia NIST
Zinc dithionite
ZnS2O3
2 1 Wikipedia NIST
Zinc hydroxide
Zn(OH)2
2 Wikipedia NIST
Zinc nitrate
Zn(NO3)2
2 Wikipedia NIST
Zinc oxide
ZnO
2 4 Wikipedia NIST
Zinc silicate
Zn2SiO4
1 Wikipedia NIST
Zincite
ZnO
Wikipedia
Zircon
ZrSiO4
Wikipedia
Zirconia
ZrO2
Wikipedia NIST
Zirconium dioxide
ZrO2
Wikipedia NIST
Zirconium silicate
ZrSiO4
1 Wikipedia NIST
Zirconium(IV) oxide
ZrO2
Wikipedia NIST
Zn(NO3)2
Zn(NO3)2
2 Wikipedia NIST
Zn(OH)2
Zn(OH)2
2 Wikipedia NIST
Zn2SiO4
Zn2SiO4
1 Wikipedia NIST
ZnCO3
ZnCO3
1 Wikipedia NIST
ZnO
ZnO
2 4 Wikipedia NIST
ZnS2O4
ZnS2O3
2 1 Wikipedia NIST
Zoisite
Ca2Al3Si3
O12(OH)
Wikipedia
ZrO2
ZrO2
Wikipedia NIST
ZrSiO4
ZrSiO4
1 Wikipedia NIST
Zundel cation 1 Wikipedia NIST
Zwitterion, glycine Wikipedia NIST


© Mark R. Leach 1999 –


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