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Mining Chemicals


CAS NO.: 7681-57-4
Molecular Formula Na2S2O5
Molecule Weight 190.10

Appearance: White or light yellow crystalline powder.

Specification :

Item Standard
Purity (calculated with Na2S2O5) 97%min
Iron (Fe) 0.0005%max
Arsenic (As) 0.0002%max
PH value 4.0-4.6
Water insoluble matter 0.05%max
Heavy metal(as Pb) 0.002%max

Package:  25kg net in PP bags with PE liner, or 1000kg net in ton bag


Bleach agent e.g.candies, cake, bamboo shoots, etc.
Loose agent e.g.bread, cracker etc.
Antiseptic and germicide e.g.fruit juice tinned food brews  the cereals food is defended storage etc.
Inhibitor and freshen agent e.g. seafood fruit and vegetable etc.



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