1,3-Dichloro-5,5-dimethylhydantoin von Lars | Jan. 30, 2025 Back to Catalog 1,3-Dichloro-5,5-dimethylhydantoin Alternative Names: 1,3-Dichloro-5,5-dimethyl-2,4-imidazolidinedione, DCDMH CAS-Number: 118-52-5 EC-Number: 204-258-7 Molecular Formula: C5H6Cl2N2O2 Molecular Weight: 197,02