Name£ºS-£¨££©-1.1'-binaphthyl-2.2'-diphemyl phosphine Synonyms£ºS-£¨££©-BINAP CAS Number£º76189-56-4 Molecular Formula£ºC44H32P2 Molecular Weight£º622.67 Molecular Structure£º Properties£ºMelting point 241£242¡æ alpha £½£240.3 (c = 0.7 Toluene)