The molecule of the title compound, C15H12F3NO, is not planar and the dihedral angle between the planes of the two aromatic rings is 33.82 (11)°. The molecule exists in the phenol–imine tautomeric form, with a strong intramolecular O—H...N hydrogen bond [N...O = 2.609 (3) Å].

Key indicators: single-crystal X-ray study; T = 296 K; mean (C-C) = 0.002 Å; R factor = 0.041; wR factor = 0.117; data-to-parameter ratio = 14.7.The title compound, C 15 H 15 NO, adopts the enol-imine tautomeric form. There are two independent molecules in the asymmetric unit, with the two aromatic rings inclined at 14.94 (9) and 26.53 (5) . The structure is stabilized by O-HÁ Á ÁN intermolecular hydrogen bonds and C-HÁ Á Á interactions.