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Products   Product Name： (S)-2,2’-bis(diphenylphosphino)-1,1’-binaphthyl  Synonyms： S-BINAP; (S)-BINAP; S-(-)-BINAP; (S)-(-)-BINAP; (S)-(-)-2,2’-Bis(diphenylphosphino)-1,1’-binaphthyl; (S)-(-)-2,2’-Bis(diphenylphospho)-1,1’-Dinaphthalene; S-(-)-1.1’-binaphthyl-2.2’-diphemyl phosphine]  Cas No.： 76189-56-5  Molecular Formula： C44H32P2  Molecular Weight： 622.68  Molecular Structure：   mp 283-286 °C(lit.) alpha -240 º (c=0.3, toluene) refractive index -235 ° (C=0.3, Toluene) storage temp. Room temperature. Sensitive Air Sensitive