... 1 EINECS 202-498-7 Chemical Name: 1,3-Dimethylurea (DMU)Synonyms: N,N'-Dimethylurea; symmetric Dimethylurea, N,N'-Dimethylharnstoff (German); Urea, 1 ... ,3-dimethyl-; DMU; 1,3-Dimetilurea (Spanish); 1 ... dihydroxyfumarate exposure. Methyl amine and 1,3-dimethylurea are hydrolysis products of ...