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Quick Details

  • Classification: Sulphate
  • Type: Sodium Sulfite
  • CAS No.: 7757-83-7
  • MF: Na2SO3
  • EINECS No.: 231-821-4
  • Place of Origin: China (Mainland)
  • Grade Standard: Food Grade, Industrial Grade
  • Purity: 99%
  • Appearance: colorless
  • Brand Name: TIANKAI

Packaging & Delivery

Packaging Details 25/50/1000 kg bags


Sodium  sulphite  anhydrous


1) CAS no.: 7757-83-7

2) Supplied in two grades

3) Grade F/P conforms to the requirements of the Food Chemical Codex, the

Miscellaneous Food Additive Regulations 1995, EEC Directive 95/2/EEC,

BP/Ph .Eur and BSS 3304/ISO418 photographic grade specifications

4) Can also be supplied with the addition of a catalyst for water treatment purposes



1) Anhydrous sodium sulphite is used as convenient source of sulphur dioxide

2) Foodstuffs: as a preservative particularly for processed meats and fruit juices

3) Textiles: as an antichlor following bleaching by sodium hypochlorite

4) Photography: as a preservative in developing solutions

5) Dyestuffs: as a reducing agent in the manufacture of some dyestuffs

6) Water treatment: as an oxygen scavenger in boiler feed waters

7) Paper: as an antichlor and also as the chemical in the processing of

wood pulp by chemi-thermo-mechanical means



1) 25kg/polyethylene lined multiply paper sack

2) Packages supplied meet with UN performance standards where appropriate

3) Special packaging requirements can be accommodated


Shipping information:

1) H.S. Code. 283210

2) IMO classification  non-hazardous


Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Trading Company
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Supplier's Trade Assurance Limit: US $52,000
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