Home
Products
About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
Home ProductsSodium Metabisulfite Powder

Cas 7681 57 4 Sodium Metabisulfite Food Additive White Crystalline Power So2 65% Purity

Cas 7681 57 4 Sodium Metabisulfite Food Additive White Crystalline Power So2 65% Purity

    • Cas 7681 57 4 Sodium Metabisulfite Food Additive White Crystalline Power So2 65% Purity
    • Cas 7681 57 4 Sodium Metabisulfite Food Additive White Crystalline Power So2 65% Purity
  • Cas 7681 57 4 Sodium Metabisulfite Food Additive White Crystalline Power So2 65% Purity

    Product Details:

    Place of Origin: Hunan
    Brand Name: Kemsky
    Certification: ISO 9001
    Model Number: smbs-06

    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
    Contact Now
    Detailed Product Description
    Name: Sodium Metabisulphite Food Additive Other Name: Sodium Pyrosultite Food Additive
    Color: White Or Light Gray Usage: Preservative Antistaling Agent,food Additive
    Packing: 25 Kgs Plastic Woven Bag/1000 Kgs Jumbo Bag Mocular: Na2S2O5

    sodium metabisulphite tech grade 

     

    Usage of sodium metabisulfite :

     

     

    Food: preservative, bleach, loosening agent.

     

    Industrial: It used in dyeing and printing industry, organic synthesis, printing, leather, pharmaceutical and other sectors.

     

    Storage:kept in a light-proof,well-colsed,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.

     

    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
     

    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.

    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, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.

     

     

     

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

     

     

    Contact Details
    NINGBO SOURCECHEM CO.,LTD

    Contact Person: Ms.xie

    Tel: +8613975090964

    Send your inquiry directly to us (0 / 3000)

    Other Products