CAS : 7772-98-7
MDL : MFCD00003499
EINECS : 231-867-5
Chemical Properties
Formula : Na2O3S2
Formula weight : 158.10
Density : 1.667
Sensitivity : Hygroscopic. Ambient temperatures.
Form : Crystalline powder
Solubility : Soluble in water. Insoluble in alcohol.
Applications
Sodium thiosulfate is used in volumetric analysis to estimate the concentration of certain compounds in solution (hydrogen peroxide) as well as chlorine content in bleaching powder and water. It is used to prepare S-alkylthiosulfonates. Furthermore, it is used in the tanning of leather and in photographic processing. It is used as an antidote to cyanide poisoning and acts as a safe disposal medium in chemistry laboratories when working with bromine, iodine and other strong oxidizers. It is an important component in hand warmers and heating pads.
Notes
Hygroscopic. Incompatible with strong acids, strong oxidizing agents, iodine and mercury.Other References :
Merck : 14,8694
GHS Hazard and Precautionary Statements
Hazard Statements :
Precautionary Statements :
위험 문구 :
안전 문구 :
| Pakage | 2500g, 500g |
|---|---|
| brand | Alfa Aesar |
