Home
Products
About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
Home ProductsSodium Sulfite Food Grade

Industrail Grade Sodium Sulfite Preservative Molecular Formula Na2SO3 High Purity

Industrail Grade Sodium Sulfite Preservative Molecular Formula Na2SO3 High Purity

    • Industrail Grade Sodium Sulfite Preservative Molecular Formula Na2SO3 High Purity
    • Industrail Grade Sodium Sulfite Preservative Molecular Formula Na2SO3 High Purity
    • Industrail Grade Sodium Sulfite Preservative Molecular Formula Na2SO3 High Purity
  • Industrail Grade Sodium Sulfite Preservative Molecular Formula Na2SO3 High Purity

    Product Details:

    Place of Origin: Hunan
    Brand Name: Kemsky
    Certification: ISO 9001,SGS
    Model Number: sodium sulfite for food

    Payment & Shipping Terms:

    Minimum Order Quantity: 1 metric ton
    Price: usd 430 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: SSA Sodium Sulfite For Food Other Name: Anhydrous Sodium Sulphite For Food
    Grade: Food Grade Usage: Bleaching, Antioxidant
    Mocular: Na2SO3 CAS NO: 7681-57-4

     

    SODIUM SULFITE ANHYDROUS

     

     

    Sodium Sulfite Anhydrous 97%min

     

    Commodity Anhydrous Sodium Sulfite MF Na2SO3
    CAS NO. 7757-83-7 Inspection date 2014-07-25
    ITEM AND RESULT
    ITEMS STANDARD RESULTS
    Na2So3 % ≥97.00% 97.09%
    FE% ≤0.003% 0.0025%
    Insoluble solid in water% ≤0.02% 0.01%
    Na2Co3% ≤0.1% 0.10%
    Na2So4% ≤2.5% 2.5%
    NaCl% ≤0.1% 0.1%
    Appearance White crystals or crystalline powder QUALIFIED

    Application:
    It is used in dyeing industry as deoxidizer and bleaching agent for a variety of cotton fabric treating and scouring, which can prevent fabrics from local oxidation and deterioration of fibre strength. In photographic industry it is used as a reagent. In organic industry it is used as reducing agent in production of m-phenylenediamine, 25 - bared oxazolone, amino salicylic acid, etc. Textile industry uses it as a stabilizer for synthetic fibre. Other applications include various uses in paper mills, electronic industry, water treatment, etc.

     

    Usage:

    The role of anhydrous sodium sulfite is extensive, it is in the pharmaceutical industry, paper making, leather tanning and dyeing industries and plant fiber bleaching, food, etc have a very important role. Addition of anhydrous sodium sulfite is also used to film developing, bleaching agents, printing and dyeing industry as a deoxygenation agent.

     

    Physical and chemical properties:
    White crystalline or powder form; triangular prism crystal shape; alkaline water solution with pH at 9 – 9.5; The highest water solubility is about 28% with temperature at 33.4°C. When exposed to air, it is oxidized to form sodium sulfate. When heated to high temperature, it decomposes to form sodium sulfide; Density: 2.633(15.4°C), Refractive Index: 1.565; Molecular Weight: 126.04.

     

     

    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:

    Anhydyous sodium sulphite
    English name Anhydyous sodium sulphite
    Molecular formula Na2SO3
    Technical specifications High purity grade Refined grade Photographic grade Industrial grade Industrial grade Industrial grade
    Sodium sulfite Sodium sulfite Sodium sulfite High-class product High-class product First grade product
    Na2SO3 ≥ % 98 98 97 98 97 96
    Fe ≤ % 0.0005 0.002 0.005 0.003 0.003 0.005
    Water insoluble ≤ % 0.005 0.01 0.05 0.02 0.02 0.03
    Free alkali ≤ % 0.1 0.3 0.15 0.1 0.1 0.4
    Sodium sulfate ≤ % 1.5 1.5 1.5 2.5
    Sodium chloride ≤ % 0.005 0.02 0.01 0.1
    Heavy metal on Pb≤ % 0.001 0.002 0.002
    As ≤ % 0.0001 0.0005
    Sodium thiosulfate ≤% 0.01 0.02 0.03
    Aqueous solution appearance Qualified Qualified Qualified
    Reaction of silver nitrate ammonia solution Qualified
     

     

    Industrail Grade Sodium Sulfite Preservative Molecular Formula Na2SO3 High Purity

     

     

     

     

     

    Contact Details
    NINGBO SOURCECHEM CO.,LTD

    Contact Person: Ms.xie

    Tel: +8613975090964

    Send your inquiry directly to us (0 / 3000)

    Other Products