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Sodium Sulphite Anhydrous

Sodium Sulphite Anhydrous
Sodium Sulphite Anhydrous
Price And Quantity
  • 25Mts
  • Metric Ton/Metric Tons
  • 305.00 - 520.00 USD ($)
Product Specifications
  • 2832.100000
  • Sodium Sulfite Anhydrous; Disodium Sulfite
  • Sodium Sulphite Anhydrous
  • 7757-83-7
  • 231-821-4
  • 97% Min / 93% Min
    Product Description

    Sodium Sulphite Anhydrous

    - Product Identification
    CAS No. : 7757-83-7
    EINECS No. : 231-821-4
    H.S. Code : 2832.100000
    Formula : Na2SO3
    Molecular Weight : 126.04
    Toxicity : Oral mouse LD50: 820 mg/kg
    Synonyms : Sodium Sulfite Anhydrous; Disodium Sulfite; Natrii Sulphis; Natrium Sulfurosum;
    Natriumsulfit (German); Sulfurous Acid, Disodium Salt;

    - Physical And Chemical Properties
    Physical State : White crystalline powder
    Melting Point : Decomposes
    Specific Gravity : 2.633
    Solubility in water : good
    PH : 9
    Vapor Density : 4.35
    NFPA Ratings : Health: 1 Flammability: 0 Reactivity: 0
    Stability : Stable under ordinary conditions

    - Applications
    - Pharmaceutical industry for the production of chloroform, benzene, styrene sulfone, formaldehyde.
    - Rubber industry as a coagulant.
    - Bleached cotton printing and dyeing industry as the dechlorination agent, cotton scouring agent. It can prevent the partial oxidation of cotton cloth fiber and influence the fiber strength.
    - Leather tanning industry for processing make the leather soft, plump, tough, waterproof, bending, wear and other properties.
    - The chemical industry for the production of vanillin hydroxyl, hydroxylamine hydrochloride and so on.
    - Photographic Industry as a developer, etc.
    - The food industry as a bleaching agent, preservatives, leavening agent, antioxidant, color agents and the insurance agent. as reducer in producing dehydration vegetables.
    - Electronics industry for the manufacture of photosensitive resistance.
    - Paper-making, Electronic, Water-treatment for electroplating wastewater, drinking water, etc.

    - Specification
    Testing Items / Quality Standard Type (1) / Quality Standard Type (2)
    Appearance : White crystalline powder / White crystalline powder
    Purity NA2SO3 : 97% Min / 93% Min
    Water Insoluble : 0.02% Max / 0.03% Max
    Fe : 0.003% Max / 0.005% Max
    Free Alkali, as NA2CO3 : 0.1% Max / 0.4% Max
    Sulphates, as NA2SO4 : 2.5% Max / -
    Chlorides, as NACL : 0.1% Max / -

    - Transportation
    Storage : Stored in cool and dry place, avoid moisture and heat
    Packing : In 25kgs /50kgs /1000kgs net p.p. woven bags

    - Other Trade Information
    Min. Order Quantity : 25 MTS
    Supply Capacity : 22,000Mts /Year
    Loading Capacity : 27Mts/1080Bags (1x20'FCL)
    Port of Loading : Huangpu / Hengyang / Tianjin, China
    Fresh Stocks : Yes
    Ref. Price : USD305.- ~ USD520.- /MT FOB Huangpu / Tianjin, China
    Shipment Time : Within 2-3 weeks upon receipt of advance payment or L/C .
    Payment Terms : T/T, L/C ( Sight / 90days ), D/P, Western Union
    Origin : Hunan, Tianjin
    Sample Availability : Yes
    Main Export Markets : India, Indonesia, Thailand, Pakistan, Bangladesh, Iran, Argentina, Turkey

    Trade Information
    • Huangpu/Tianjin, China
    • 22000Mts Per Year
    • 21 Days
    • Yes
    • In 25kgs /50kgs /1000kgs net p.p. woven bags
    Contact Us

    Rm.1717, North Bldg. No. 368, East 2nd Ring Road (2nd Section), Changsha, Hunan, 410016, China
    Phone :86-731-85352228