Sodium Hypochlorite (NaClO) is also known as liquid bleach. It consists of hypochlorite anion and sodium cation. It usually appears as a pale greenish yellow dilute solution. It is an unstable anhydrous compound that can decompose rapidly. It has a sweetish and chlorine-like odour. It is used as a key ingredient in laundry bleach, used as a bleaching agent, in textile industries, refining of petroleum products, paper industries a cleaning agent disinfectant wastewater treatment & swimming pools