2-Amino-5-methyl­pyridinium 4-chloro­benzoate

The 4-chloro­benzoate anion of the title salt, C(6)H(9)N(2) (+)·C(7)H(4)ClO(2) (−), is nearly planar with a dihedral angle of 5.14 (16)° between the benzene ring and the carboxyl­ate group. In the crystal, the protonated N atom and the 2-amino group of the cation are hydrogen bonded to the carboxyl­ate O atoms of the anion via a pair of N—H⋯O hydrogen bonds with an R (2) (2)(8) ring motif. The ion pairs are further connected via N—H⋯O and weak C—H⋯O hydrogen bonds, forming a two-dimensional network parallel to the bc plane. The crystal structure also features a π–π stacking inter­action between the pyridinium and benzene rings with a centroid–centroid distance of 3.7948 (9) Å.