(E)-2-{4-[(Pyridin-2-yl)methyl-idene-amino]-phen-yl}acetic acid.

The title mol-ecule, C(14)H(12)N(2)O(2), forms a dimeric unit linked by a pair of symmetry-equivalent O-H⋯N hydrogen bonds. The aromatic rings are significantly twisted from each other with a dihedral angle of 44.04 (4)°.