(E)-3-[(4-Diethylamino-2-hydroxybenzylidene)amino]benzonitrile

The molecule of the title compound, C18H19N3O, displays a trans configuration with respect to the C=N double bond. There is a strong intramolecular O—H...N hydrogen-bonding interaction between the hydroxy group and imine N atom. The dihedral angle between the aromatic rings is 30.35 (8)°. The crystal packing is stabilized by O—H...N links