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CAS 7681 57 4 Sodium Metabisulfite Powder Tech Grade SMBS Na2S2O5 97% Purity

CAS 7681 57 4 Sodium Metabisulfite Powder Tech Grade SMBS Na2S2O5 97% Purity

    • CAS 7681 57 4 Sodium Metabisulfite Powder Tech Grade SMBS Na2S2O5 97% Purity
    • CAS 7681 57 4 Sodium Metabisulfite Powder Tech Grade SMBS Na2S2O5 97% Purity
  • CAS 7681 57 4 Sodium Metabisulfite Powder Tech Grade SMBS Na2S2O5 97% Purity

    Product Details:

    Place of Origin: Hunan
    Brand Name: Kemsky
    Certification: ISO 9001
    Model Number: CAS No:7681-57-4 sodium metabisulphite

    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
    Name: Sodium Metabisulfite CAS No:7681-57-4 Other Name: Sodium Pyrosultite CAS No:7681-57-4
    Apperance: White And Light Yellow Crystal Powder Grade: Tech And Industry Grade
    Packing: 25 Kgs Plastic Woven Bag/1000 Kgs Jumbo Bag Third Party Test: SGS,BV.

    sodium metabisulphite food and tech grade 

     

    Usage:

    Food additive
    It is used as a preservative and antioxidant in food and is also known as E223.
    Sodium metabisulfite and potassium metabisulfite are the primary ingredients in Campden tablets, used for wine and beer making.

    Bleach (such as candy, pastry, magnolia, etc.);(Such as bread, biscuits, etc.) preservative fungicide (such as juice, canned, etc.);Antioxidant preservative (such as gold needles, seafood, fruits and vegetables, etc.);

    Sanitization and cleaning agent

    It is commonly used in homebrewing and winemaking to sanitize equipment. It is used as a cleaning agent for potable water reverse osmosis membranes in desalination systems. It is also used to remove chloramine from drinking water after treatment.

    Packing::
    25kgs/ bag;50kgs/bag;1000kgs/jumb bag ;
    bag : polypropylene woven bags, lined with PVC plastic bags.

     

    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.

     

    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, 50

    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.

    0kg/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

     

     

    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


     

     

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

     CAS 7681 57 4 Sodium Metabisulfite Powder Tech Grade SMBS Na2S2O5 97% Purity

     

     

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