Bleaching Powder

Bleaching Powder
(Calcium Hypochlorite)

  • Stable below 0.5 % moisture contents.
  • Produce chlorine odor or HOCl in case of high moisture contents and start decomposing.
  • Decomposes by absorption of CO2 from air.
  • Decomposition by oxygen separation with low water contents which is accelerated in the presence of heavy metals Fe+3, Ni and Co etc.
  • Use personal protective equipment while handling bleaching powder.

Shelf Life:  One year in airtight drums; 03 months in airtight bags, if stored at room temperature and dry place.

Chemical Formula Ca (OCl) 2
Molecular Weight N.A
CAS No. 7778-54-3

Average Chemical Analysis

Commercial Grade Industrial Grade
Physical appearance  White or nearly white free flowing powder.
Available Chlorine 30 % ± 1 35 % ± 1
Moisture 0.50 % max. 0.50 % max.
Particle Size 99.0 % 99.0 %
(Passing through 1.7 mm Sieve)
Stability Does not lose > 1/15th of available chlorine on heating at 100 ºC for 2 hours.

It is supplied in the packing of 25 kg Polypropylene bags, and 35 kg HDPE drums having polyethylene liners.

  • Bleaching powder is used for disinfecting and deodorizing in food processing, beverage and sugar industries, cotton clothing in laundries, hospitals & homes.
  • Disinfection for preservation of vegetables & fruits and in water treatment & sewage disposal, swimming pools.
  • Bleaching of cotton yarn, cotton cloth and linen in textile Industry.
  • Store in a cool, dry, well ventilated area.
  • Keep away from the source of heat, and direct sun light, water, acids, ammonium salts and separated from any organics, oil and flammable substances.
  • It should be stacked in rows with adequate gaps and at a minimum height.
  • It catches fire on exposure to naked flame and high temperature.
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