Sodium thiosulfate cas no:7772-98-7
Synonyms: Thiosulfuric acid, disodium salt (8CI);Ametox;Antichlor;Chlorine Control;Chlorine Cure;Declor-It;Desilube 88;Disodium thiosulfate;Disodium thiosulphate;Hypo;S-Hydril;Sodiumhyposulfite;
NameSodium thiosulfate
CAS7772-98-7
SynonymsThiosulfuric acid, disodium salt (8CI);Ametox;Antichlor;Chlorine Control;Chlorine Cure;Declor-It;Desilube 88;Disodium thiosulfate;Disodium thiosulphate;Hypo;S-Hydril;Sodiumhyposulfite;
EINECS(EC#)231-867-5
Molecular FormulaNa2S2O3
Molecular Weight158.1
Appearancecolourless crystals or white powder
storage temp2-8°C
Sensitive Hygroscopic
Hazard Xi:Irritant
Risk R36/37/38
Safety Moderately toxic by subcutaneous route. Incompatible with metal nitrates, sodium nitrite. When heated to decomposition it emits very toxic fumes of Na2O and SOx. See also Sodium thiosulfate and Sodium thiosulfate, Pentahydrate.
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25-23-36-26
S23:Do not breathe vapour.
S24/25:Avoid contact with skin and eyes.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
WGK Germany: 1
RTECS: XN6476000
F: 3
Hazardous Substances Data: 7772-98-7
1. scu-rbt LDLo:4000 mg/kg AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. 5 (1899),161.
2. scu-frg LDLo:6 g/kg AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. 5 (1899),161.
