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Sodium Metabisulfite
Sodium Metabisulphite
Molecular formula：Na2S2O5
Molecular weight：190.12
CAS No.：7681-57-4
Property：White or light-yellow crystalline powder, smell of SO2. No other smell when dried. Specific gravity is 1.4. It's soluble in glycerine, it's soluble slightly in alcohol.
Usage：

Food Grade: Mainly used as bleaching agent, bulking agent, antioxidant preservatives in food processing.

Tech Grade: Mainly used for producing medicine iodoform, vanillin photographic fixative, rubber solidifying agent, decolorizing agent of bleached fiber, leather treatment of leather making industry, etc.

Packing：Net in 25KG plastic woven bag.
Specification：




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