4,4′-Bipyridinium dipicrate

The asymmetric unit of the title compound, C10H10N22+·2C6H2N3O7−, comprises half of one 4,4′-bipyridinium cation and a picrate anion. The 4,4′-bipyridinium cation lies on an inversion center. The packing is governed by N—H⋯O and C—H⋯O hydrogen-bond interactions.