- Calcium hypochlorite, hydrated mixture, with not less than 5.5% but not more than 10% water
White powder or flat plates. Strong chlorine odor.
Algicide, bactericide, deodorant, fungicide, in sugar refining, oxidizing agent, bleaching agent, disinfectant.
Registry Numbers and Inventories.
EC Index Number
Oxidising; Harmful; Contact with acids liberates toxic gas; Corrosive; Dangerous for the Environment
R 8 31 34 50
S 26 36/37/39 45 61
Agricultural Chemical and Pesticide; Tumorigen; Mutagen; Human Data
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Solubility in water
1.545 (20 C)
Hazards and Protection.
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Wear appropriate protective gloves, clothing and goggles.
Wear positive pressure self-contained breathing apparatus (SCBA).
Keep away from combustible materials. Avoid contact unless wearing appropriate protective clothing. Stop leak if you can do it without risk. With clean shovel place material into clean, dry container and cover loosely; move containers from spill area.
Small Fires: Use water. Do not use dry chemicals or foams. carbon dioxide or Halon may provide limited control. Large Fires: Flood fire area with water from a distance.
These substances will accelerate burning when involved in a fire.
May explode from heat or contamination. May react explosively with hydrocarbons (fuels). May ignite combustibles.
Fire may produce irritating, corrosive and/or toxic gases.
Ingestion may cause severe injury, burns, or death.
Vapors may cause injury, burns, death.
Contact may result in injury, burns and death.
Treat ingestions of greater than 40 milligrams per kilogram with decontamination of the stomach if within 4 hours of ingestion. Administer charcoal as a slurry.
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush with running water for at least 20 minutes.
In case of contact with substance, immediately flush with running water for at least 20 minutes.
USCG CHRIS Code
Std. Transport #