(HYDROXYMETHYL)UREA 1-(Hydroxymethyl)urea 1000-82-4 EINECS 213-674-8 HSDB 5776 Methylol urea Methylolurea Methylolureas Mono(hydroxymethyl)urea Monomethylolurea N-(Hydroxymethyl)urea N-Methylolurea NSC 13181 Urea, (hydroxymethyl)-