Formule moléculaireNa2S2O3CAS7772-98-7Masse moléculaire158.11 g/mol
SynonymesSodium Hyposulfite, Sodium Thiosulphate
Sodium Thiosulfate is an inorganic compound used in the photographic industry, as a reagent in chemical processes, and in medicine.
- Photography: Used as a photographic fixer to dissolve unused silver halide crystals.
- Chemical Manufacturing: Applied in the synthesis of other chemicals and as a reducing agent.
- Water Treatment: Used in dechlorination to neutralize chlorine in treated water.
- Medical Uses: Used in the treatment of cyanide poisoning and in other medical applications.
Appearance
White crystalline solid
Odor
Odorless
Molecular Formula
Na2S2O3
Molecular Weight
158.11 g/mol
Melting Point
48 °C
Density
1.67 g/cm³
Solubility
Soluble in water
Flash Point
Not applicable
Chemical Stability
Stable under normal conditions, but decomposes upon heating
