Cyanuric acid, also known as isocyanuric acid and cyanuric acid, has the molecular formula of C3H3N3O3, which is odorless white powder or granule, slightly soluble in water, melting point of 330ºC, and pH value of saturated solution ≥4.0. It is mainly used in the manufacture of cyanuric acid bromide, chloride, bromochloride, iodochloride and its cyanurate and esters, in the synthesis of new disinfectants, water treatment agents, bleaching agents, chlorinating agents, brominating agents, antioxidants, paints and coatings, selective herbicides and metal cyanide moderators, and can also be directly used as swimming pool  stabilizer, nylon, plastic, polyester flame retardant and cosmetic additives, and the synthesis of special resins..