• Sodium Bisulfite
• Sodium Hydrogen Sulphite
• Sodium Hydrogen Sulfite

Food

• As a preservative in fruits and starch
• Enzyme inhibitor in melanin formation (black and brown spots)

Treatment of waste water
As an antichlor and in the detoxification of cyanide and chromate

Chemical and pharmaceutical

• Purifying and isolating aldehydes and ketones
• Destroying waste bromine.
  

Textiles
Bleaching wool and jute

Leather
Solubilising tanning extracts

Paper and pulp

• Bleaching ground wood
• Antichlor

• 1000 kg IBCs (5 IBCS per 6 wheeler truck)
• Also transported in tank cars, 12 Mt./tanker