N-(Di­cyclo­propyl­methylamino)-4,5-di­hydro-1,3-oxazolium dihydrogenphosphate

The title compound, C₁₀H₁₇N₂O⁺·H₂PO₄⁻, consists of a rilmenidine cation and a phosphate anion. In the solid state, the inversion-related phosphate anions are linked by O—H...O hydrogen bonds to form a chain along the a axis. The cations are connected to the chain via N—H...O hydrogen bonds.