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Sodium Metabisulphite Food Grade

Sodium Metabisulphite Food Grade

Name:Sodium Metabisulphite Food Grade
Alias:Sodium pyrosulfite food grade
Molecular formula:Na2S2O5
Molecular weight: 190.10
Sodium Metabisulfite 96.5% food grade  is white or yellowish crystalline powder, relative density: 1.4; soluble in water(20°C 54g/100ml of water; 100°C 81.7g/100ml of water). Aqueous solution is acid; soluble in glycerin, slightly soluble in ethanol. Will be decomposed in humid conditions, and oxidized into sodium sulfate 99% in open air; will release sulfur dioxide when contacting strong acids; will be decomposed at 150°C.
Quality standard: GB 1893-2008


Sodium metabisulfite 96.5%

Main content(Na2S2O5),     %         ≥


Iron(Fe),                %         ≤



By test

Arsenic(As),              %         ≤


Heavy metal(Pb),          %         ≤


Sodium pyrosulfite food grade Uses :
Bleaching agent(such as candy, cakes, dried slices of tender bamboo shoots etc.);
Loosening agent(such as bread, biscuits etc.)preservative,disinfector(such as jam and can etc.);
Antioxidant, antistaling agent(such as seafood, fruits, vegetables etc.);
Packaging: Packed in polypropylene bag lined with polyethylene bag;