Sodium hypochlorite is a chemical compound with the formula NaClO. It is composed of a sodium cation (Na+) and a hypochlorite anion (ClO−); When dissolved in water sodium hypochlorite is commonly known as bleach or liquid bleach. It is frequently used as a disinfectant or a bleaching agent. The mixture of sodium peroxide (Na2O2) and hydrochloric acid, which react to produce sodium hypochlorite. is also termed as oxone.