Potassium Sulphite Solution
CAS Number 10117-38-1
Formula K2SO3
Molecular weight 158.27
Purity 45% W/W
Impurities Potassium 0.8% Max
Specific Gravity 1.447 to 1.465
Assay as K2SO3 45% W/W
pH 9 to 10 pH
Iron 0.005%
Thiosulphate 0.008%

Colourless OR Pale yellow clear solution.

Standard Packing

250 Kg. Net HDPE Drum.
1000 L IBC Tank
5000 L Tanker
18000 L ISO Tank

Remarks: Potassium Sulphite Solution (K2SO3) has been manufactured and tested as per the quality system led by Shakti Chemicals.

Storage Conditions
  • Store in cool and dry places
  • Keep away from sunlight and heat sources
  • Avoid storage on open area or under direct sun light
  • Protect against physical damage by handling vehicles like forklift or manual handling, so as to prevent damage to bags or drums or bulk containers


Potassium Sulphite Solution (K2SO3) is used in Detergent Industry, Speciality chemicals, Photographic Chemicals, Fixer and Developers, Dyes & Dyes Intermediate, Boiler treatment chemicals