In the title molecular salt, C36H30NP2(+)·C24BF20(-), the P-N bond lengths in the cation are equal [1.573 (2) and 1.572 (2) Å], indicating a resonance structure and the P-N-P bond angle is 144.79 (12)°. In the crystal, weak C-H⋯F interactions link the cations and the anions.