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  • Product Name:   1,4-Bis(diphenylphosphino)butane
  • Synonyms:   [4-(Diphenylphosphino)butyl](diphenyl)phosphine;1,4-butanediylbis[diphenyl-phosphin;Bis(1,4-diphenylphosphino)butane;Phosphine, 1,4-butanediylbis[diphenyl-;1,4-Bis(diphenyphosphino)Butane
  • CAS No.:   7688-25-7
  • Molecular Formula:   C28H28P2
  • Molecular Weight :   426.47
  • Specification :   98%
  • Place of Origin:   China
  • Appearance :   
  • Document :   Download

Description of 1,4-Bis(diphenylphosphino)butane



1,4-Bis(diphenylphosphino)butane Chemical Properties


Melting point  132-136 °C(lit.)


form  Crystalline Powder


color  White to almost white


Water Solubility  Soluble in chloroform. Slightly soluble in water


BRN  706446


InChIKey BCJVBDBJSMFBRW-UHFFFAOYSA-N


CAS DataBase Reference 7688-25-7(CAS DataBase Reference)


NIST Chemistry Reference 1,4-Bis(diphenylphosphino)butane(7688-25-7)


EPA Substance Registry System Phosphine, 1,4-butanediylbis[diphenyl- (7688-25-7)




Safety Information


Hazard Codes  Xi,F


Risk Statements  36/38-36/37/38-11


Safety Statements  26-36-37/39-33-16-7/9


WGK Germany  3


10-23


TSCA  Yes


HS Code  29319090




1,4-Bis(diphenylphosphino)butane Usage And Synthesis


Chemical Properties white to light yellow crystal powde


Uses suzuki reaction


Purification Methods Recrystallise it from EtOH [Trippett J Chem Soc 4263 1961]. [King J Coord Chem 1 62 1971, Tolman Chem Rev 77 313 1977.]




1,4-Bis(diphenylphosphino)butane Preparation Products And Raw materials


Raw materials Etanol-->Sodium hydroxide-->Hydrochloric acid-->Ethyl acetate-->Tetrahydrofuran-->Dichloromethane-->Sodium-->Magnesium sulfate-->Acetone-->n-Butyllithium-->Triphenylphosphine-->Litium-->Diphenylphosphine-->1,4-Dibromobutane-->1,4-Dichlorobutane


Preparation Products (S)-(-)-7,7'-BIS[DI(3,5-DIMETHYLPHENYL)PHOSPHINO]-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(R)-7,7'-BIS(DIPHENYLPHOSPHINO)-1,1'-SPIROBIINDANE-->(R)-(+)-7,7'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane ,97%-->(R)-(+)-7,7'-BIS[DI(4-METHYLPHENYL)PHOSPHINO]-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE


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