Product Info
CAS-Number: 7757-83-7
In Stock: Yes
Hazchem: No

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SODIUM SULPHITE ANHYDROUS

CAS No: 7757–83–7
Other names: Sodium sulfite, Hypo Clear (photography)
Appearance: white solid
Formula: Na 2 SO 3
Density: 2.633 g/cm 3
Solubility: 67.8 g/100 g @20 o C
Molecular weight: 126.043 g/mol
Melting point: 500 o C

SPECIFICATION:

USES OF SODIUM SULPHITE

Oxygen scavanger for water treatment in photographic industry.
To wash fixer, sodium thiosulphate from film and photopaper emulsions.
As a bleaching, desulphurizing and dechlorinating agent in the textile industry.
Used as a sulphating and sulphomethylating agent.
Used in the production of sodium thiosulphate
Used in oil recovery.
Used in the making of dyes.
Used as a water treatment to reduce chlorine levels in pools.