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Sodium Sulphite 98%

Sodium Sulphite 98%

Product         : Sodium Sulphite                                       

Formula        : Na2SO3

CAS NO           : 7757-83-7

Physical & Chemical Characteristics:

  1. Appearance : White Crystalline Odorless Powder
  2. pH @ 25°C (5% Solution : 9.5 – 10.6
  3. Assay as Na2SO3             : 98.5% Min.
  4. Assay as SO2 : 50.0% Min.
  5. Assay as Na2SO4 : 1.5% Max.
  6. Bulk Density : 1.3 – 1.5 gm/cm3
  7. Chloride                                                 : 50 PPM Max.
  8. Iron as Fe : 5 PPM Max.
  9. Arsenic & Selenium : 1 – 3 PPM
  10. Heavy Metals as Pb : 5 PPM Max.

Major Applications

  • As oxygen scavenger in steam boiler feed water and drilling water, and in sea water desalting treatment.
  • For treating excess chlorine in effluent water & detoxification of chromic acid in electro plating industries
  • In manufacture of Sodium thiosulphate, sulphonating agent, sulfosuccinates – sampoo, dyes  and other organic chemical intermediates
  • In pulp and paper industry for processing of semi-chemical pulp, kraft pulping and production of chemi-thermo-mechanical and sulphite  pulp.
  • As dechlorinating and bleaching agent in textile industry.

Packing

25Kgs PE valve bag,

500 & 1250 Kgs Woven Polypropylene Bag with inner liner poly ethylene.

Storage

  • Store in ventilated dry area and under shed.
  • Keep containers closed when not use, and on exposure to moisture it oxidizes easily to sodium sulphate.
  • Shelf life: 2 Years.