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CAS 7681 57 4 Sodium Metabisulfite Powder White Crystalline SMBS So2 65% Purity

CAS 7681 57 4 Sodium Metabisulfite Powder White Crystalline SMBS So2 65% Purity

    • CAS 7681 57 4 Sodium Metabisulfite Powder White Crystalline SMBS So2 65% Purity
    • CAS 7681 57 4 Sodium Metabisulfite Powder White Crystalline SMBS So2 65% Purity
  • CAS 7681 57 4 Sodium Metabisulfite Powder White Crystalline SMBS So2 65% Purity

    Product Details:

    Place of Origin: Hunan
    Brand Name: Kemsky
    Certification: ISO 9001
    Model Number: sodium pyrosulphite 97%

    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 Metabisulphite Crystalline Other Name: Crystalline Sodium Pyrosultite
    Situation: Crystalline Powder Shelf Life: 365 Days
    Usage: Preservative Antistaling Agent,food Additive Packing: 25 Kgs Bag Packing

    sodium metabisulphite food garde 

     

     

    Specification of sodium metabisulfite:

     

    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 of sodium metabisulfite:

     

    (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)Medical Grade: It is is an antioxidant additive in inject able medicines and is also used as a reducing agent in pharmaceuticals.

     

     

    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

     

    Sodium Metabisulfite

    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 White Crystalline SMBS So2 65% Purity

     

    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

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