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Sodium Metabisulphite

A commercial dry of sodium bisulphite which most of the properties and uses are identical, It is widely used as a disinfectant, antioxidant and preservative.
Soluble in water, insoluble in alcohol

Synonym: Sodium pyrosulphite

Chemical Formula: Na2S2O5

Appearance: White crystalline

Application: -Used in the production of hydrochloride, hydroxylamine
-Used as a coagulative agent.
-Used as a dechlorination agent and boiling-off agent for bleached cotton
-Used as a preservative in food industry

Physical Properties: Odorless
MP 150 oC
SG 1.48

Packing: 25 kg/bag

Origin: China

Na2S2O5 (%)97.5
AsSO2 (%)65.6
AsFe (%)0.0028
AsPb (%)0.0005
As (%)0.0001