isan inorganiccompound with formula Ca(ClO)2. It is the main active ingredient ofcommercial products called bleaching powder, chlorine powder, or chlorinated lime, used for water treatment and as a bleaching agent.This compound is relatively stable and hasgreater available chlorine than sodiumhypochlorite (liquidbleach). It is a white solid, although commercial samples appearyellow. It strongly smells of chlorine, owing to its slow decomposition in moist air. It is not highly soluble in hard water, and is more preferably used in soft to medium-hard water.It has two forms: dry (anhydrous); and hydrated (hydrous).
UsesSanitationCalcium hypochlorite is commonly used to sanitize public swimming pools and disinfectdrinking water. Generally the commercial substances are sold with a purity of65% to 73% with other chemicals present, such as calcium chloride and calciumcarbonate, resulting from the manufacturing process. As a swimming poolchemical, it is blended with other chemicals less on than other forms ofchlorine, due to dangerous reactions with some common pool chemicals. Insolution, calcium hypochlorite could be used as a general purpose sanitizer, butdue to calcium residue, sodium hypochlorite (bleach) is usually preferred.
Calcium hypochlorite is a general oxidizingagent and therefore finds some use in organicchemistry. For instance the compound is used to cleave glycols, Î±-hydroxy carboxylic acids and keto acids to yield fragmented aldehydes or carboxylicacids. Calcium hypochlorite can also be used in the haloform reaction to manufacture chloroform.