1,1,1-Tris(di-methyl-amino)-2-[tris-(di-methyl-amino)-phospho-ranyl-idene]diphosphinium tetra-phenyl-borate tetra-hydro-furan monosolvate.

In the tetra-hydro-furan solvate of the title salt, C12H36N6P3 (+)·C24H20B(-)·C4H8O, the cation features short P-P bond lengths [2.1111 (11) and 2.1364 (10) Å] and a distinctly bent P-P-P angle [104.