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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