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Fengda Chemicals Corp.
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Hot: oxalic acid
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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.

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.