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              Sodium Metabisulphite

              Sodium Metabisulphite

              Sodium Metabisulphite
              H.S.CODE: 28321000
              CAS NO.: 7681-57-4
              Molecular formula: Na2S2O5
              Property: white or light yellow crystalline powder or small crystal, with SO2 odor,Sg 1.4.
              Use: Used in drug, food, ferment, rubber, textile, photo, flavor, dyes, tannage and preservativeof fruit and vegetable.
              Packing: in 25kgs plastic woven bag.
              Specification: 

              Commodity of Goods Sodium Metabisulphite
              Packing In 25kgs plastic woven bag
              Appearance White or yellowish crystal powder
              Item Standard
              Main purity 96% min
              SO2 65% min
              Fe 0.005% max
              Water insoluble 0.05% max
              PH value 4.0-4.2
              Heavy metal(Pb) 0.002% max
              As 0.0002% max


               

                  



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