This standard specifies the product classification, basic requirements, technical requirements, sampling, test methods, inspection rules and signs, packaging, transportation, storage, safety and quality commitments and services of sodium hypochlorite. This standard applies to sodium hypochlorite prepared by chlorination of sodium hydroxide. Suitable for general industrial use, disinfection, sterilization and water treatment, etc. Molecular formula: NaClO. Relative molecular mass: 74.44 (according to the 2016 international relative atomic mass).