Sodium Hydro Sulphite

Sodium Hydro Sulphite

What is sodium hydrosulphite ?

is a white crystalline powder with a weak sulfurous odor. It is the sodium salt of dithionous acid. Although it is stable under most conditions, it will decompose in hot water and in acid solutions.Also called sodium dithionite, sodium sulfoxylate, and sulfoxylate.

Uses :-

  • Textiles as a reducing agent for color
  • Pulp and paper as an additive and reducing agent
  • Clay
  • Leather
  • Foods and beverages
  • Polymers
  • Photographics
  • Cleaners
Characteristics Specifications
Physical Appearance White crystalline material
Sulfamic acid content (Percent by mass, Min.) 99.5
Maximum Limits of Impurities (percent by mass)
Matter insoluble in water 0.05
Sulphate as SO4 0.1
Lead as Pb 0.001
Iron as Fe 0.001
Free moisture content 0.2
Ammmonical Nitrogen (As NH4SO4) 0.15