... 498-7 Chemical Name: 1,3-Dimethylurea (DMU)Synonyms: N,N'-Dimethylurea; symmetric Dimethylurea, N,N'-Dimethylharnstoff (German); Urea, 1,3-dimethyl-; DMU; 1 ... min95.0%minWater1.5%max0.5%maxUsage: t acts as a radical scavenger that protects isolated pancreatic islets from the effects ... , resins and drugs. 1,3-Dimethylurea is used as a catalyst for condensation of methylamine with urea. 1,3-Dimethyl ...