This standard specifies the requirements, sampling, test methods, marking, packaging, transportation, storage and safety of industrial sodium bromate. This standard applies to sodium bromate produced by electrolysis and chemical methods. This product is mainly used to prepare inorganic chemical products and chemical reagents for phenolic determination; it is also commonly used as oxidants, cosmetic cold perming agents, printing and dyeing auxiliaries, and also used for the extraction and purification of precious metals. Molecular formula: 2NaBrO3 Relative molecular mass: 150.90 (according to the 1991 international relative atomic mass)