Sodium thiosulfate
CAS NO.:7772-98-7
Deleted CAS:13773-27-8, 220945-47-1
Molecular formula:  Na2O3S2
Molecular weight:158.11
Appearance and properties:White powder,soluble in water.
EINECS:231-867-5
Density:1.667 g/cm3
Melting Point:48.°C
Boiling Point:100 °C
Application:Used as a fixative in photographic industry. Used in
electroplating, purify water and tanning of leather, also used
as chemical reductant bleaching of cotton fabric after dechlorination
agent of sulfur dyes, dyeing of wool fabric, indigo dye white proof
agent, pulp dechlorination agent, in the pharmaceutical industry used
as a detergent, disinfectant and bleaching agent, etc.