... ,3-Dimethylurea (DMU)Synonyms: N,N'-Dimethylurea; symmetric Dimethylurea, N,N'-Dimethylharnstoff (German); Urea, 1,3-dimethyl-; DMU; 1,3-Dimetilurea (Spanish); 1,3- ... alloxan and dihydroxyfumarate exposure. Methyl amine and 1,3-dimethylurea are hydrolysis products of methyl isocyanate. It ... in manufacturing synthetic caffeine, resins and drugs. 1,3-Dimethylurea is used as a catalyst for condensation ...