Hengdong Weichuang Ferrous Co.,Ltd

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  • Company Name: Hengdong Weichuang Ferrous Co.,Ltd
  • Country/region: China
  • Contact Person: Mr.shelley tao
  • Tel: 86-731-85573666
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Sodium metabisulfite

  • CAS No:7681-57-4 Sodium metabisulfite
    Molecular Structure

    Detailed Description


    1.Basic introduction:
    Product name:Sodium metabisulphite
    Other name:sodium metabisulfite,sodium pyrosulfite,sodium metabi, Pyrosulfurous acid, disodium salt
    Appearance:snow white crystal powder or granular
    Formular Chemical:Na2S2O5
    Grade:both tech grade and food grade
    Shelf life:Half one year
    Quality standard:GB1893-1998
    Supply ability:10000mt/year
    Place of origin:China
    2.Specification:

    Item
    Quality Index
    Food Grade
    Industry Grade
    Purity ( As Na2S2O5)
    98.0% min
    97.0% min
    Sulfur Dioxide( SO2)
    65.0% min
    65.0% min
    Arsenic ( As )
    0.0002% max
    -
    Heavy metals ( As Pb )
    0.0005% max
    -
    Selenium (Se )
    0.0005% max
    -
    Iron (Fe)
    0.001% max
    0.002% max
    Water insoluble
    0.02% max
    0.05% max
    PH value :
    4.0-4.8
    4.0-4.8


    3.Package:

    1>25kg double layer woven bag

    2>25mt/27mt for a 20' foot container without pallet

    3>Jumbo bags,palletize service,shipping marks can be discussed.
  • Sodium metabisulfite
  • Sodium metabisulfite