GREMONT CHEMICAL COMPANY LIMITED
Sodium Thiosulfate
Sodium Thiosulphate
 
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PROPERTIES   &  USAGE
Properties   Usage
Chemical formula Na2S2O3 Medical uses
Boiling point 100 °C (212 °F; 373 K) (pentahydrate, - 5H2O decomposition) Neutralizing bleach, chlorinated water, and related treatments
Density 1.667 g/cm3 Photographic processing
Melting point  48.3 °C (118.9 °F; 321.4 K) (pentahydrate) Gold extraction
Molar mass 158.11 g/mol (anhydrous) Other
  248.18 g/mol (pentahydrate) Photographic processing
    Iodometry
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