(2-{[2-(diphenyl-phosphino)phen-yl]thio}-phen-yl)diphenyl-phosphine sulfide.

In the title compound, C36H28P2S2, the dihedral angle between the central benzene rings is 66.95 (13)°. In the crystal, molecules are linked via Car—H⋯π and π–π inter­actions [shortest centroid–centroid distance between benzene rings = 3.897 (2) A].