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Sodium Sulfite

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Sodium Sulfite, (sodium sulphite) is the inorganic compound with the chemical formula Na2SO3. A pale yellow, water-soluble solid, it is used commercially as an antioxidant and preservative.

Fooding is a Sodium Sulfite Manufacturers, Suppliers and Wholesalers in China. You can inquiry Sodium Sulfite price by email us: or leave message on the Fooding web. Fooding ensure you can buy Sodium Sulfite with a good price.

Discount Prices Available for Larger Orders.


Sodium Sulfite

  • E No:Na2SO3
  • CAS No:7757-83-7
  • Einecs No:231-821-4
  • Specification:99%
  • Routine Packing:25kg/200kg/drum
  • Place of origin:China
  • QC:Haccp, Kosher, Hala,ISO
  • Port of dispapch:Shanghai,Tianjin,Qingdao
  • Tel: +86-21-50321522
  • Fax: +86-21-51069122
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  • Product Information

    Product Description
    Safety Ratings Key
    Gluten free


    Quality Index

    Industry Grade

    Food Grade

    Purity ( As Na2SO3)

    96.0% min

    98.0% min

    Sodium sulphate ( SO4)

    2.0% max

    1.2% max

    Chlorides ( As NaCL)

    0.5% max

    0.08% max

    Arsenic ( As )


    0.0002% max

    Heavy metals ( As Pb )


    0.0005% max

    Iron (Fe)

    0.005% max

    0.003% max

    Water insoluble

    0.05% max

    0.01% max


    About Sodium Sulfite

    Product usage
    (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 anti-fermentative. 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 formaldehyde phenylpropanoid Sulfone.

    References on Sodium Sulfite


    Support & FAQs

    1. What's your payment terms?

    T/T or LC.

    2. What's your delivery time?

    Usually we will arrange the shipment in 7 -15 days.

    3. How about the packing?

    Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.

    4. How about the validity of the Sodium Sulfite?

    According to the Sodium Sulfite you ordered.

    5, What is the MOQ of Sodium Sulfite ?

    Different products have different MOQ, for Sodium Sulfite , the MOQ is 1000kg.

    6, What is the price of Sodium Sulfite ?

    Fooding has been corporate with many Sodium Sulfite manufacturers for several years, we can provide you with best price of Sodium Sulfite.

    7, How long shall we wait for your reply?

    We can guarantee to reply your inquiries of Sodium Sulfite in one working days.

    8. What documents you provide?

    Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificat and Origin certificate. If your markets have any special requirements, let us know.

    9. What is loading port?

    Usually is Shanghai or Qingdao.


    Our Services
    1. Supply high quality products with a reasonable price in additives industry.
    2. Arrange the orders and shipping with cus requests in time, According to the different countries export policy provide complete customs clearance documents.
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    4. We can in charge of all if our products have quality problems.
    5. Provide a price trend, ensure the clients can know about  marketing informations in time.
    6. Have offices at Mexico, Clients can get our company information from here, discuss the prices and delivery time face to face.