Hunan, China
Business Type:
Trading Company
Registered Capital:
147802.18 USD
Plant Area:
132 square meters
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: within 15 workdays
Off season lead time: within 15 workdays
Sample Available

Na2so3 Sodium Sulfite Anhydrous, Anhydrous Sodium Sulfite, Sodium Sulfite Price manufacturer / supplier in China, offering Sodium Sulfite, Sodium Sulphide Purity 50%Min Red Flakes with Iron Content 150~1500ppm, Red Flakes Sodium Sulphide 150ppm /300ppm/1500ppm  and so on.

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Sodium Sulfite

Min. Order: 1 container
Port: Huangpu, China
Transport Package: 25kg or 50kg Net Per Plastic Woven Bag
Payment Terms: L/C, T/T, D/P
Formula: Na2so3
CAS No.: 7757-83-7
Einecs No.: 231-821-4
Specification: 25-27 metric tons per 20ft container
Trademark: XYCHEM
Origin: Hunan

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Basic Info

HS Code
                                                                          Sodium Sulfite
  1. Commodity Name: Sodium Sulfite
  2. Other Names: Na2so3 Sodium Sulfite Anhydrous
  3. Chemical Formula: Na2SO3 
  4. Purity: 93% 96% 
  5. CAS No.: 7757-83-7
  6. EINECS/ELINCS NO.: 231-821-4
  7. Molecular Weight: 126.04
  8. HS code: 2831101000
  9. Appearance: white powder                                                                                                                                                                                                 
  10. Mainapplications:                                                                                                                                - Sodium sulfite is primarily used in the pulp and paper industry.
    - It is used in water treatment as an oxygen scavenger agent, to treat water being fed to steam boilers to avoid corrosion problems.                                                                                                      
  11. - in the photographic industry to protect developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions.                              
  12. - in the textile industry as a bleaching, desulfurizing and dechlorinating agent and in the leather trade for the sulfitization of tanning extracts.                                                                                                   - It is used in the purification of TNT for militaryuse.                                                                             
  13.  - It is used in chemical manufacturing as a sulfonation and sulfomethylation agent.                              
  14. - It is used in the production of sodiumthiosulfate.                                                                               
  15. - It is used in other applications, including froth flotation of ores, oil recovery, food preservatives, and makingdyes.                                                                                                                                                    
  16. Usage in Grades:                                                                                                                                  (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 formaldehyde phenylpropanoid Sulfone                          

About Company

- We are specialized in supplying feed & fertilizer additives, chemicals and plant extracts. Major manufacture products including ZINC SULPHATE, FERROUS SULPHATE, MANGANESE SULPHATE, MAGNESIUM SULPHATE HEPTAHYDRATE, SODIUM METABISCULPHITE, SODIUM BICARBONATE, CuSo4, FeCO3, BaCO3, etc.
- Over 10 years experience on exporting with a high reputaion among customers, creditable quality and competitive price througe a mature manufacturing system.
- Over 70,000 MTs annual sales of Zinc Sulphate, over 30,000 MTs annual sales Manganese Sulphate ,over 100,000 MTs annual sales of Ferrous Sulphate.
- Reliable quality control on production process, approve of ISO 9001.
- Available of OEM with excellent raw material.
- Innovation and manufacture of green production of pollution free products on plant extracts, e.g., Macleaya Cordata Extract, etc.


Tersear Chou - Oversea Sales Manager
Mobile: 86-13637407571
Phone: 86-731-82206872

Edwina Chen - Oversea Salses Assistant
Phone: 86-731-82206872

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