Chemical Name

CAS No.

Common Name(s)

Arsenic pentoxide

1303-28-2

Arsenic oxide (As2O5)
Arsenic anhydride

Arsenic trioxide

1327-53-3

Arsenic oxide (As2O3)
Arsenous anhydride

Beryllium sulphate

13510-49-1

Sulfuric acid, beryllium salt (1:1)

Calcium cyanide

592-01-8

Calcid
Calcyan

Carbon disulfide

75-15-0

Carbon sulfide (CS2)
Dithiocarbonic anhydride

Chloropicrin

76-06-2

Trichloronitromethane
Nitrochloroform

Cyanogen bromide

506-68-3

Bromine cyanide
Bromocyanide (BrCN)

Cyanogen chloride

506-77-4

Chlorine cyanide
Cyanochloride (CNCl)

Diethyl phosphate

762-04-9

Phosphonic acid, diethyl ester
Diethoxyphosphine oxide

Dimethyl mercury

593-74-8

Mercury, dimethyl-

Dimethyl phosphite

868-85-9

Phosphonic acid, dimethyl ester
Dimethoxyphosphine oxide

Dimethyl sulphate

77-78-1

Sulfuric acid, dimethyl ester
Methyl sulfate

Ethyl mercury chloride

107-27-7

Mercury, chloroethyl-
Ceresan

Ethyldiethanolamine

139-87-7

Ethanol, 2,2'-(ethylimino)bis- 
Diethanolethylamine

Fluoroacetic acid

144-49-0

Acetic acid, fluoro-
Cymonic acid

Fluoroethyl alcohol

371-62-0

Ethanol, 2-fluoro-
β-Fluoroethanol

Fluoroethyl fluoroacetate

459-99-4

Acetic acid, fluoro-,2-fluoroethyl ester

Mercuric chloride

7487-94-7

Mercury chloride (HgCl2)
Mercury (II) chloride

Mercuric nitrate

10045-94-0

Nitric acid, mercury(2+) salt
Mercury dinitrate
Mercury (II) nitrate

Mercuric oxide

21908-53-2

Mercury oxide (HgO)
Mercury monoxide
Mercury(2+) oxide

Mercurous nitrate

10415-75-5

Nitric acid, mercury(1+) salt
Dimercury dinitrate
Mercury (I) nitrate

Mercury cyanide

592-04-1

Mercuric cyanide (Hg(CN)2
Mercury dicyanide

Methyl fluoroacetate

453-18-9

Acetic acid, 2-fluoro-, methyl ester

Methyldiethanolamine

105-59-9

Ethanol, 2,2'-(methylimino)bis-
2,2’-Methyliminodiethanol
Diethanolmethylamine
MDEA

Osmium tetroxide

20816-12-0

Osmium oxide (OsO4)
Osmic acid
Tetraoxoosmium

Phosphorus

7723-14-0

Red phosphorus
Yellow phosphorus

Phosphorus oxychloride

10025-87-3

Phosphoric trichloride
Phosphoryl chloride
Phosphorus chloride oxide (POCl3)

Phosphorus pentachloride

10026-13-8

Phosphorus chloride (PCl5)
Pentachlorophosphorus
Phosphoric chloride

Phosphorus trichloride

7719-12-2

Phosphorus chloride (PCl3)
Phosphine, trichloro-

Potassium cyanide

151-50-8

Hydrocyanic acid, potassium salt

Sodium cyanide

143-33-9

Hydrocyanic acid, sodium salt
Prussiate of soda
Cymag

Sulfur dichloride

10545-99-0

Sulfur chloride (SCl2)
Chlorine sulfide (Cl2S)

Sulfur monochloride

10025-67-9

Sulfur chloride (S2Cl2)
Chlorosulfane

Thallium sulphate

7446-18-6

Sulfuric acid, dithallium(1+) salt
Dithallium(1+) sulfate

Thionyl chloride

7719-09-7

Sulfinyl chloride
Sulfur chloride oxide
Sulfur oxychloride

Thiophosphoryl chloride

3982-91-0

Phosphorothioic trichloride
Phosphorus sulfochloride
Phosphorus thiochloride

Triethanolamine

102-71-6

Ethanol, 2,2',2''-nitrilotris-
2,2’,2”-Nitrilotriethanol
2-[Bis(2-hydroxyethyl)amino]ethanol
TEA

Triethyl phosphite

122-52-1

Phosphorus acid, triethyl ester
Triethoxyphosphine
Ethyl phosphite, Et3PO3

Trimethyl phosphite

121-45-9

Phosphorus acid, trimethyl ester
Trimethoxyphosphine

Zinc cyanide

557-21-1

Zinc dicyanide