Category
Chemical Primary Standard
CAS Number
7772-98-7
Molecular Formula
Na₂S₂O₃
Molecular Weight
158.11g/mol
Synonym

Sodium Sulfurothioate; Thiosulfuric Acid Sodium Salt; Thiosulfuric Acid Disodium Salt; Disodium Thiosulfate; Disodium Thiosulphate; Ametox; Antichlor; Chlorine Control; Chlorine Cure;

Keywords
Miscellaneous compounds

Sodium thiosulfate is a versatile chemical used as a reducing agent and in photography to fix developed images. It’s also applied in water treatment to neutralize chlorine and in medicine to treat cyanide poisoning.