Sodium Sulphite

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K.S Super Chem Products (P) Ltd.

F-32,33, Riico Industrial area, Silora, Kishangarh, Ajmer, Rajasthan - 305801, India

Mobile : +91-9602412345, +91-9950582555, +91-9460112345

We are engaged in manufacturing, supplying, and exporting of Sodium Sulphite. Our Sodium Sulphite is widely used as an antichlor in water treatment and desalination plants in the reduction of wastewater in chrome-plating industry. Apart from this, Sodium Sulphate is also used various industrial applications.

Used As

  • Preservative in the manufacture of trinitrotoluene (TNT); as a bleaching agent
  • For scrubbing sulphur dioxide gas in pulp mills in power plants
  • For leather treatment
  • An oxygen scavenger in low-pressure boilers
  • For manufacturing detergent, sodium thiosulphate and photographic chemicals


  • Pulp and Paper : In the production of pulp by sulphite semi-chemical process and chemi-thermo mechanical means
  • Water treatment : As an antichlor
  • Boiler water : As an oxygen scavenger
  • Chemicals and drugs : A moderate reducing agent in the manufacture of sodium thiosulphate, sulphonated chemicals, sulphomethylation and acetaminophen
  • Natural latex rubber : As a preservative
  • Photography : As a preservative 
  • Food industry : As an antioxidant, enzyme inhibitor and anti-microbial agent
  • Fibre industry : As a solvent for raw materials, an additive for precipitation baths, for bleaching and for desulphurising bobbins
  • Chlor-alkali : To destroy chlorine in return brine
  • Leather industry : In the sulphitisation of tanning extract
  • Explosives : In the production of trinitrotoluene (TNT)
  • Minerals : Oil well floatation as an oxygen scavenger
  • Detergents : In the manufacture of sulphosuccinates and shampoo

Packaging and Transportation

  • 50 kg polypropylene woven / paper bags with heat sealed inner liner
  • 25 kg HDPE bags
  • 500 kg, 1000kg & 1100kg bulk sacks

Note : Locally, it is transported in six-wheeler, 10-wheeler and trailer trucks. Internationally, it is transported in 20' containers. The maximum stuffing is 22Mt. / 20' fcl


Formula Na2SO3
Grade Photo, Food, Technical
Molar mass 126.043 g/mol
Solubility Soluble in Water
Acidity (pKa) ~9 (heptahydrate)
Type Sodium salt of sulfurous acid

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