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Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal

Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal

    • Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal
    • Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal
  • Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal

    Product Details:

    Place of Origin: Hunan
    Brand Name: Kemsky
    Certification: ISO 9001 SGS
    Model Number: sodium sulfite anhydrous -Dyeing and printing chemical

    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
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    Detailed Product Description
    Name: SSA Sodium Sulfite Dyeing And Printing Chemical Other Name: SSA Sodium Sulphite Anhydrous Dyeing And Printing Chemical
    Shelf Life: 24 Months/2 Years Usage: Dyeing And Printing Chemical
    Mocular: Na2SO3 Purity: 97%

     

    FOR WATER TREATMENT ANHYDROUS SODIU SULFITE     SODIUM SULPHITE            
     

    Storage:

     

    1, should be stored closely in the shady, cool and dry warehouse under 30 centigrade

    2, package should be sealed without contacting with air, preventing becoming damp and deteriorated

     

    Harmful:

     

    For health: it will decompose hydrogen sulfide in gastrointestinal tract, causing hydrogen sulfide poisoning; it will corrode skin and eyes

    For environment: it will pollute environment

     

    Sodium Sulfite Anhydrous

    Specification for Industry Grade and Food Grade :

    Item Quality Index
    Industry Grade Food Grade
    Purity ( As Na2SO3) 96.0% min 98.0% min
    Sodium sulphate ( SO4) 2.0% max 1.0% max
    Chlorides ( As NaCL) 0.5% max 0.1% max
    Arsenic ( As ) - 0.0002% max
    Heavy metals ( As Pb ) - 0.0005% max
    Iron (Fe) 0.005% max 0.002% max
    Water insolubles 0.05% max 0.02% max

     
    Specification For Photo Grade and Pharmaceutical Grade

    Item Quality Index
    Photo Grade Pharmaceutical Grade
    Purity ( As Na2SO3) 98.0% min 98.0% min
    Sodium sulphate ( SO4 ) 1.0% max 1.0% max
    Chlorides ( As CL-) 0.05% max 0.05% max
    Arsenic ( As ) 0.0002% max 2ppm max
    Lead ( As Pb) 0.0005% max 2ppm max
    Iron (Fe) 0.001% max 5ppm max
    Selenium ( Se) 0.0001% max 1ppm max
    Zinc ( Zn) 0.0001% max 1ppm max
    Copper ( Cu ) 0.0001% max 0.1ppm max
    Mercury ( Hg) 0.0001% max 0.1 ppm max
     

     
    Property: white gravel or powder crystal,relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard to dissolve in ethanol. It is used to produce chloroform,solasulfone and Benzaldehyde in medical industry.
    SS is used as an antichlor in water treatment and desalination plants; in the reduction of wastewater in chrome-plating industry; as a preservative in the manufacture of trinitrotoluene (TNT); as a bleaching agent and for scrubbing sulphur dioxide gas in pulp mills in power plants and for leather treatment.
    It is also used as an oxygen scavenger in low-pressure boilers and in the manufacture of detergent, sodium thiosulphate and photographic chemicals.
     
    Packing: Packed in 25kg plastic woven bag, Kraft paper bag, 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.
     
    Application :
    (1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.
    (2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.
    (3) Photo Grade: In the photographic industry as component of developer bath .
    (4) Pharmaceutical Grade : pharmaceutical industry for the production of chloroform, benzene and formaldehydephenylpropanoid Sulfone
     
     
    Molecular Formula : Na2SO3
    Molecule Weight : 126.04
    CAS NO .: 7757-83-7
    Appearance : White Free Flowing Fine Crystal or Powder
     

     

     

     

     
     

    Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal

    Contact Details
    NINGBO SOURCECHEM CO.,LTD

    Contact Person: Ms.xie

    Tel: +8613975090964

    Send your inquiry directly to us (0 / 3000)

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