Synonyms: AC1O55UM;4,4'-Diphenylmethane diisocyanate, caprolactone, 1,6-hexanediol, 1,4-butanediol, adipic acid polymer;4,4'-Diphenylmethanediisocyanate, epsilon-caprolactone, 1,6-hexanediol, 1,4-butanediol, adipic acid polymer;52496-38-5;butane-1,4-diol; hexanedioic acid; hexane-1,6-diol; 1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene; oxepan-2-one;Hexanedioic acid, polymer with 1,4-butanediol, 1,6-hexanediol, 1,1'-methylenebis(4-isocyanatobenzene) and 2-oxepanone