Product Description
CAS NO.: 7681-57-4 Molecular formula: Na2S2O5
Product Feature
Property: white or light yellow crystalline powder or small crystal, with SO2 odor
Product Specification/Models
Na2S2O5 (%) 97.5MIN Fe(%) 0.003MAX Water insoluble matter(%) 0.005MAX Water insoluble matter(%) 0.003MAX Heavy metals(Pb)(%) 0.001MAX As(%) 0.0001MAX PH 3.2-4.6
Application
Use: Used in drug, food, ferment, rubber, textile, photo, flavor, dyes, tannage and preservativeof fruit and vegetable.
Other Information
Packing: 25kgs plastic woven bags
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