1,3-Dichloro-5,5-dimethylhydantoin(DCDMH ) Chemical name: 1,3-Dichloro-5,5-dimethylhydantoin Alias: 1,3-Dichloro-5,5-dimethylhydantoin(DCDMH) Product name: 1,3-Dichloro-5,5-dimethylhydantoin(DCDMH) CAS NO.: 118-52-5 Molecular formula: C5H6Cl2N2O2 Structural formula: Related Molecular mass: 197.12 Appearance: white crystalline powder. Available chlorine: 69.0%min Melting point: 130.0-133.0 Loss on dry: 0.80%max (60 constant temp. for one hour) Uses: mainly used in the disinfection of industrial circulating water, swimming pool, sanitary sewage, hospital sewage, medicinal facilities & aquaculture, or used as chlorating agent in chemical industry, pharmaceutical industry, rubber industry, and so on. If you have any demand about my products.