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97% Purity Food Additive Anhydrous Sodium Sulphite Bleaching Agent SSA ISO 9001

Categories Anhydrous Sodium Sulphite
Brand Name: Kemsky
Model Number: 97% purity deoxygenation agent sodium sulfite
Certification: ISO 9001
Place of Origin: Hunan
MOQ: 1 metric ton
Price: usd 430 per metric ton
Payment Terms: T/T , L/C
Supply Ability: 3000 tons per month
Delivery Time: 5-8 days
Packaging Details: 25 kgs bag,1000 kgs big bag
name: sodium sulfite SSA 97% purity deoxygenation agent
other name: anhydrous sodium sulphite 97% purity deoxygenation agent
grade: food grade
usage: deoxygenation ,bleaching agent
packing: 25 kgs plastic woven bag/1000 kgs jumbo bag
mocular: Na2SO3 96 97 98%
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    97% Purity Food Additive Anhydrous Sodium Sulphite Bleaching Agent SSA ISO 9001

    Sodium Sulfite anhydrous Na2SO3


    White monoclinic system crystalline powder. Soluble in water, alkaline aqueous solution. Soluble in glycerin, insoluble in ethanol.

    Sodium sulfite Application:

    1. In the field of water treatment

    as the deoxidant of boiler water and oilfield flooding;

    as antichlor for municipal and industrial water;

    as the raw material for the production of sodium thiosulfate;

    as the stabilizer of viscose acetal fibre;

    as the bactericide of beer bottle.

    2. In food industry: as bleaching agent, preservative, bulking agent, antioxidant and for the medicine synthesis

    3. As analytical reagent, light dependent resistor materials and base solution of polarographic analysis

    4. As antioxygen of cosmetics, mainly for hair dye cosmetics

    5. As reducing agent of spice, dye and so on

    6. In textile industry: as bleacher and deoxidier for fabric

    7. In paper industry: as lignin removal agent.


    Medicine, used as salting-out agent, coagulant, also used in paper, glass, printing and dyeing, synthetic fiber, leather and other industries

    Mainly used as synthetic detergent filling material. Papermaking industry used in the manufacture of sulfate pulp cooking agent. Glass industry to replace soda ash. Used for manufacturing sodium sulphide, sodium silicate and chemical industry raw materials of other chemical products. Textile industry is used to allocate vinylon spinning coagulation bath. Pharmaceutical industry is used as the delay evacuant. Also used in non-ferrous metallurgy, leather, etc.

    Product description:

    Product Name:Sodium sulfite anhydrous
    CAS NO:7577-83-7
    Molecular Formula:Na2SO3
    Best qualityFirst qualityQualifier
    Sodium sulfite (Na2SO3) Assay, %≥ 97.0≥ 96.0≥ 93.0
    Fe, %≤ 0.003≤ 0.005≤ 0.02
    Insol. in water, %≤ 0.02≤ 0.03≤ 0.05
    Free alkali (Na2SO3) Assay, %≤ 0.10≤ 0.40≤ 0.80
    Sulphate (Na2SO4) Assay, %≤ 2.5
    Chlorides (NaCl) Assay, %≤ 0.10

    Packing:25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand.
    Specifications:white crystal or powder; pH of aqueous solution: 9-9.5, At 33.4oC,it solubility is 28%. Density: 2.633(15.4oC), refracitive index: 1.565; Molecular weight126.04.
    H.S code: 283210
    Use:Used as deoxidant and bleaching agent for printing & dyeing industry; also used for paper making, electronic and water treatment industries.

    Our Advantages:
    Fast shipment by reputed shipping line
    Packing with pallet as buyer's special request
    Best service after shipment with e mail
    Cargoes photo before and after loading into container
    Raw materials from chinese origine and after loading into container

    CAS NO : 7757-83-7

    EC NO : 231-821-4

    Molecular Formula : Na2SO3

    Main Specifications :

    Synonyms : Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;

    Inorganic chemicals

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