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Home ProductsSodium Metabisulfite Powder

Sodium Metabisulfite Cas No 7681 57 4 , White Preservative Sodium Metabisulphite 

Sodium Metabisulfite Cas No 7681 57 4 , White Preservative Sodium Metabisulphite 

    • Sodium Metabisulfite Cas No 7681 57 4 , White Preservative Sodium Metabisulphite 
    • Sodium Metabisulfite Cas No 7681 57 4 , White Preservative Sodium Metabisulphite 
  • Sodium Metabisulfite Cas No 7681 57 4 , White Preservative Sodium Metabisulphite 

    Product Details:

    Place of Origin: Hunan
    Brand Name: Kemsky
    Certification: ISO 9001
    Model Number: smbs-07

    Payment & Shipping Terms:

    Minimum Order Quantity: 1 metric ton
    Price: usd 280-320 per metric ton
    Packaging Details: 25 kgs bag,1000 kgs big bag
    Delivery Time: 5-8 days
    Payment Terms: T/T , L/C
    Supply Ability: 3000 tons per month
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    Detailed Product Description
    Other Name: Sodium Pyrosultite Color: White Or Light Gray
    Situation: White Crystalline Powder Shelf Life: One Year
    Grade: Industry Grade Packing: 25 Kgs Plastic Woven Bag/1000 Kgs Jumbo Bag

    sodium metabisulphite industry grade

     

    CAS NO 7681-57-4 Na2S2O5 Sodium metabisulfite

    manufacturer

    Product Overviews

    1. Chemical formula:Na2S2O5

     

    2. Standard:Industrial Grade:HG/T2826—2008,Food Grade:GB1893—2008 Physical appearance:White or slightly yellow crystal powder.

    3. Package:Compound plastic woven bag with polyethylene liner, net weight 25kg or 50kg each.

     

    4. Notice: Store it in aeration and shady place . Not put it together with strong acids, oxidants. Avoid the

    wrappage being perforated and prevent from water and moisture when conveyed. Exposure to moisture

    will make it to be oxidized easily to release SO2. Do not store it for long time.

     

    Molecular Formula : Na2S2O5

    Molecule Weight : 190.12

    CAS NO .: 7681-57-4

    Appearance : White Free Flowing Fine Crystal or Powder

    Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.

     

     

    Specification for Pharmaceutical Grade and Photo Grade

    Item Quality Index
    Pharmaceutical Grade Photo Grade
    Purity ( As Na2S2O5) 98.0% min 98.0% min
    Sulfur Dioxide( SO2) 65.0% min 65.0% min
    Thiosulphate ( As S2O3) : 0.05 % max 0.05% max
    Chloride ( As CL-) : 30 ppm max 50ppm max
    Arsenic ( As ) : 1ppm max 1ppm max
    Lead ( Pb ) : 1 ppm max 2ppm max
    Copper (Cu) : 1 ppm max 1ppm max
    Iron (Fe ) : 5 ppm max 5ppm max
    Mercury (Hg) : 0.1ppm max 1ppm max
    Chromium (Cr) : 1 ppm max -
    Selenium (Se ) : 1 ppm max 5ppm max
    Zinc (Zn) 1 ppm max 1ppm max
    Cadmium (Cd ) 1ppm max -
    Nickel (Ni) 1ppm max -
    Na2SO3 + Na2SO4 1.5% max -
    PH value : 4.0-4.8 4.0-4.8
    Remark : Conformed with USP standard

     

     

     

    Application:

    (1) Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).

    (2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde
    The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on .

    (3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.

    (4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.

     

    Specification For Food Grade and Industry Grade :

     

    Item Quality Index
    Food Grade Industry Grade
    Purity ( As Na2S2O5) 98.0% min 96.0% 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
    Remark : Conformed with FCC V and E 223 Standard

    Property: white or light yellow crystal powder, a strong smell of sulfur dioxide,relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity,and its solubility will become large while raising the temperature and is less to dissolve in ethanol.
     

     

    Storage: Store the product in a dry and cool place.

     

     

    Packing : External packing is PP woven bag, Internal packing is PE bag,25 kgs, 50 kgs, 1000 kgs, and 1250 kgs bag packing.

    Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid rain.

     

    Contact Details
    NINGBO SOURCECHEM CO.,LTD

    Contact Person: Ms.xie

    Tel: +8613975090964

    Send your inquiry directly to us (0 / 3000)

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