Sodium Metabisulphite

Sodium Metabisulphite

Sodium Metabisulphite
H.S.CODE: 28321000
CAS NO.: 7681-57-4
Molecular formula: Na2S2O5
Property: white or light yellow crystalline powder or small crystal, with SO2 odor,Sg 1.4.
Use: Used in drug, food, ferment, rubber, textile, photo, flavor, dyes, tannage and preservativeof fruit and vegetable.
Packing: in 25kgs plastic woven bag.
Specification: 

Commodity of Goods Sodium Metabisulphite
Packing In 25kgs plastic woven bag
Appearance White or yellowish crystal powder
Item Standard
Main purity 96% min
SO2 65% min
Fe 0.005% max
Water insoluble 0.05% max
PH value 4.0-4.2
Heavy metal(Pb) 0.002% max
As 0.0002% max


 

    



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