90584-04-6 EINECS 292-309-4 Urea, N,N'-bis(hydroxymethyl)-, reaction products with acetone, 2-butyne-1,4-diol, 3,4-dihydro-2-methoxy-2H-pyran, ethylene glycol, formaldehyde, glutaraldehyde and tetrahydro-1,3,4,6-tetrakis(hydroxymethyl)imidazo(4,5-d)imidazole-2,5(1H,3H)-dione