Mainly used in the manufacture of cyanuric acid bromide, chloride, bromochloride, iodochloride and its cyanurate, esters, used in the synthesis of new disinfectants, water treatment agents, bleaching agents, chlorinating agents, bromide It can also be directly used as chlorine stabilizer for swimming pools, nylon, plastic, polyester flame retardants and cosmetic additives, synthesis of special resins, etc. aspect.