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Yigyooly Chemicals Co., Ltd.
  • Yigyooly Chemicals Co., Ltd.
    Products
    Sodium Metabisulphite
    Molecular formula
    Na2S2O5
    Molecular weight
    190.10
    Executive standard
    HG/T2826-2008
    Packing
    25KGS PP/PE bags or 1000kg/1350kgs/jumbo bags
    Uses
    It is mainly used as bleaching agent, mordant, reducing agent and rubber coagulant; In the pharmaceutical industry, it is used to produce chloroform, phenylpropanesulfone and benzaldehyde; rubber Rubber industry as coagulant; In printing and dyeing industry, it is used as dechlorinating agent and scouring agent for cotton cloth after bleaching; In leather industry, it can make leather soft, plump, tough, waterproof and wear-resistant; In chemical industry, it is used to produce hydroxyvanillin, hydroxylamine hydrochloride, etc.; in photosensitive industry, it is used as developer, etc.
    Features

    in dry and ventilated warehouse Keep container tightly closed, store in cool, dry and well ventilated warehouse, avoid direct sun light and in compatible chemicals.

    Quality index
    Item
    Tech grade
    Food grade
    Appearance
    White to yellowish crystalline powder
    White to yellowish crystalline powder
    Odor
    An odor of sulfur dioxide
    An odor of sulfur dioxide
    Purity(Na2S2O5)
    97.0% min
    97.0% min
    SO2
    65.3% min
    65.3% min
    Na2SO4
    3.0% max
    3.0% max
    Iron(Fe)
    50.0ppm max
    30.0ppm max
    Lead(Pb)
    20.0ppm max
    5.0ppm max
    Arsenic(As)
    1.0ppm max
    1.0ppm max
    Insolubility
    0.05% max
    0.05% max
    PH
    4.0-4.8
    4.0-4.8