... : 70%min High Content, Low Impurity 1,3-Dichloro-5,5-Dimethylhydantoin ( DCDMH )[ Product Name ] : 1,3-Dichloro-5,5-Dimethylhydantoin ( DCDMH )[ Formula ] : ... preventing and treating diseases caused by bacteria, fungi, viruses etc. 2. Disinfection of gloves, clothes, appliances, environments and human bodies ... harmful substances with shelf life of two years. DCDMH (1,3-Dichloro-5,5-Dimethylhydantoin)