... 1,3-Dichloro-5,5-Dimethylhydantoin) Content: 98%min Active Chlorine: 70%min High Content, Low Impurity 1,3-Dichloro-5,5-Dimethylhydantoin ( DCDMH )[ Product Name ] : 1,3-Dichloro-5,5 ... Disinfection of gloves, clothes, appliances, environments and human bodies.3. Disinfection of equipment, appliances, environment, work clothes in ... shelf life of two years. DCDMH (1,3-Dichloro-5,5-Dimethylhydantoin)