• What is Sodium Hypochlorite? Sodium hypochlorite is a chemical compound with the formula NaClO. It is a pale yellow or greenish-yellow liquid with a chlorine odor. It is produced by the reaction of chlorine gas (Cl₂) with sodium hydroxide (NaOH) solution, according to the following equation: Cl₂ (g) + 2 NaOH (aq) → NaClO (aq) […]