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manufacturer supply Sodium Hydrosulfite/ Sodium Hydrosulfite 74%/ 85% /88%/90% for leather & textile industry

manufacturer supply Sodium Hydrosulfite/ Sodium Hydrosulfite 74%/ 85% /88%/90% for leather & textile industry

    • manufacturer supply Sodium Hydrosulfite/ Sodium Hydrosulfite 74%/ 85% /88%/90% for leather & textile industry
    • manufacturer supply Sodium Hydrosulfite/ Sodium Hydrosulfite 74%/ 85% /88%/90% for leather & textile industry
  • manufacturer supply Sodium Hydrosulfite/ Sodium Hydrosulfite 74%/ 85% /88%/90% for leather & textile industry

    Product Details:

    Payment & Shipping Terms:

    Packaging Details: 50kg iron drum or 25kg bag.
    Payment Terms: L/C, T/T, Western Union, MoneyGram
    Supply Ability: 2000 tons per month
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    Detailed Product Description
    CAS No: 7775-14-6

    manufacturer supply Sodium Hydrosulfite/ Sodium Hydrosulfite 74%/ 85% /88%/90% for leather & textile industry

    Products name:Sodium hydrosulfite

    1.White free-flowing crystal powder

     

    2.Purity 85%/88%/90%

     

    3.Appearance: white crystal powder

     

    4.Widely used in the textile industry

     

    5.HS Code: 28311000

     

    6.CAS NO.:7775-14-6

    7 MF: Na2S2O4 

     

    Properties for Sodium Hydrosulfit:

    Belongs to the level of sodium dithionite in wet flammable items, also known as low sodium sulfite.Goods that contain water of crystallization (Na2S2O4. 2 h2o) and contains no crystallization water (Na2S2O4) two kinds.The former for white fine crystal and the latter is light yellow powder.Relative density 2.3-2.4, when red heat decomposition, soluble in cold water, decomposition in the hot water, insoluble in ethanol.

     

    The nature of its aqueous solution has been unstable strong reducibility, belongs to the strong reducing agent.Exposed to the air can absorb oxygen and oxidation, but also easy to absorb moisture fever and metamorphism, and can seize the oxygen in air to agglomerate and irritating sour.

     

     

     

    Specification for sodium hydroslfite:

     

    Specification Tolerance Result
    Purity(wt%) 90min 90.57
    Na2CO3(wt%) 1 -2.5 1.32
    Na2S2O3(wt%) 0.5-1 0.58
    Na2S2O5(wt%) 5 -7 6.13
    Na2SO3(wt%) 0.5-1.5 0.62
    Fe(ppm) 20max 16ppm
    Water Insolubles: 0.1 0.03
    Total other heavy metals 10ppm max 8ppm

     

     

     

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