Calcium hypochlorite is a chemical compound with formula Ca(ClO)2. It is widely used forwatertreatment andas a bleaching agent (bleaching powder). This chemical is considered to be relatively stable and has greater available chlorine than sodium hypochlorite (liquid bleach). The specificatione: Appearance:White or light-grey Form:Powder Moisture:4%max Effective Chlorine:65%min Calcium chloride:9% Granular Size: 90%pass8-200mesh Insolubility of water Yearly loss of chlorine:10%min