Description
SODIUM THIO SULPHATE
HS Code 28323010
Chemical formula: Na2S2O3
Other Name: Sodium thiosulphate, Sodium hyposulfSte, Hyposulphite of soda
Description
Sodium thiosulfate (sodium thiosulphate) is a chemical and medication. As a medication it is used to treat cyanide poisoning and pityriasis versicolor.
It is an inorganic compound with the formula Na2S2O3.xH2O. Typically it is available as the white or colorless pentahydrate, Na2S2O3·5H2O. The solid is an efflorescent (loses water readily) crystalline substance that dissolves well in water. It is also called sodium hyposulfite or “hypo”.
It is on the World Health Organization’s List of Essential Medicines, the most effective and safe medicines needed in a health system.
Properties
Formula: Na2S2O3
Molar mass: 158.11 g/mol
IUPAC ID: Sodium thiosulfate
Melting point: 48.3 °C
Density: 1.67 g/cm³
Soluble in: Water
Uses
Medical uses
Iodometry
Photographic processing
Gold extraction
Neutralizing chlorinated water
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