Sodium Sulphite

Sodium Sulphite

  • CAS No.: 7757-83-7
  • Molecular Formula: Na2SO3
  • Certification: FSSAI

Sujata Nutri Pharma is one of the leading manufacturers and exporters of Sodium Sulphite CAS no.7757-83-7

General Description

Sodium sulfite (Na2SO3) is a white, water-soluble, crystalline solid with a sulphurous, salty taste. It decomposes when heated. It is generally available in powder, crystalline, and tablet forms.


In boiler systems, the sodium sulfite acts as an oxygen scavenger in protecting the system from pitting corrosion. Thus, the water fed to broilers is often treated with the sodium sulfite.
The extensive use of Na2SO3 by the textile industry for dechlorinating, desulfurizing, and bleaching purposes.
Sodium sulfite can also be used in purifying the trinitrotoluene (TNT) process, in order to produce it fit for military use.
Sodium sulfite is primarily used in the pulp and paper industry. It is used in water treatment as an oxygen scavenger agent, 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, in the textile industry as a bleaching, desulfurizing and dechlorinating agent and in the leather trade for the sulfitization of tanning extracts.



Molecular Formula


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