... )Synonyms: N,N'-Dimethylurea; symmetric Dimethylurea, N,N'-Dimethylharnstoff (German); Urea, 1,3-dimethyl-; DMU; 1,3-Dimetilurea (Spanish); 1,3 ... of methyl isocyanate. It is used in manufacturing synthetic caffeine, resins and drugs. 1,3-Dimethylurea is used as a catalyst ... for condensation of methylamine with urea. 1,3-Dimethyl urea; N,N-Dimethyl ...