Benzimidazolium 3,5‐dihydroxy­benzoate benzimidazole

The crystal structure of the title compound, C7H7N2+·C7H5O4−·C7H6N2, consists of discrete cations, anions and neutral mol­ecules, with two of each species in the asymmetric unit. Through hydrogen bonding and π–π stacking the chemical components link to each other to form a sandwich-like supra­molecular crystal structure.