Product Description

Industrial grade sodium metabisulfite: used for producing chloroform, sulfetrone, benzaldehyde, hydrocarbon vanillin. hydrocarbon amine hydrochloride, and coagulator, leather working. used as antichlor and cutton scouring agent and developer.Food grade: preservative in seafood, juice and can ,bleaching in Pastry, eavening agent in bread and biscuit, antioxidant and color fixative for food.
  High purity sodium metabisulfite: meet to the requirements of medicine, food industry and other fields with special strict demands.
sodium metabisulphite for industrial grade：
molecular formula: Na2S2O5   molecular weight:**0.*0 
appearance: white crystal powder
main content(asNa2S2O5):≥*7.0%
sodium metabisulphite for food grade：
molecular formula:Na2S2O5   molecular weight:**0.*0 
appearance: white crystal powder
main content(asNa2S2O5):≥*7.2%
high purity sodium metabisulphite ：
molecular formula:Na2S2O5   molecular weight:**0.*0 
appearance: white crystal powder
main content(asNa2S2O5):≥*8%