... 5,5-dimethyl-2,4-imidazolidinedione 1,3-Dibromo-5,5-dimethylimidazolidine-2,4-dione 2,4-Imidazolidinedione, 1,3-di SpecificationsDBDMH ( 1,3-Dibromo-5,5 ... -Dimethyl Hydantoin) CAS#: 77-48-5 ... crystall powderDBDMH ( 1,3-Dibromo-5,5-Dimethyl Hydantoin)CAS#: 77-48- ...