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  • Product Name:   1,2-Bis(diphenylphosphino)ethane
  • Synonyms:   [2-(Diphenylphosphino)ethyl](diphenyl)phosphine;1,2-Ethanediylbis(diphenylphosphine);1,2-ethanediylbis[diphenyl-phosphin;bis(diphenylphosphine)ethane;P,P'-Ethylenebis(diphenylphosphine)
  • CAS No.:   1663-45-2
  • Molecular Formula:   C26H24P2
  • Molecular Weight :   398.42
  • Specification :   98%
  • Place of Origin:   China
  • Appearance :   
  • Document :   Download

Description of 1,2-Bis(diphenylphosphino)ethane
1,2-Bis(diphenylphosphino)ethane Chemical Properties
Melting point  137-142 °C(lit.)
storage temp.  Store below +30°C.
solubility  Soluble in acetone, methanol and alcoholic hydrochloric acid.
form  Crystalline Powder or Crystals
color  White to off-white
Sensitive  Air Sensitive
BRN  761261
Stability: Stable. Combustible. Incompatible with strong oxidizing agents. May be air-sensitive.
CAS DataBase Reference 1663-45-2(CAS DataBase Reference)
NIST Chemistry Reference Phosphine, 1,2-ethanediylbis[diphenyl-(1663-45-2)
EPA Substance Registry System Phosphine, 1,2-ethanediylbis[diphenyl- (1663-45-2)
Safety Information
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  22-24/25-37/39-26-36
WGK Germany  3
F  9
TSCA  Yes
HS Code  29310095
1,2-Bis(diphenylphosphino)ethane Usage And Synthesis
Chemical Properties white to light yellow crystal powde
Uses suzuki reaction
Purification Methods Recrystallise it from aqueous EtOH or *C6H6. The dimethiodide, when recrystallised from MeOH has m 305-307o, and the dioxide when recrystallised from toluene or DMF (needles), or *C6H6 (plates) has m 252-254o (276-278o) [Isslieb et al. Chem Ber 92 3175 1959, NMR: Aquiar et al. J Org Chem 29 1660 1964, B.ckvall et al. J Org Chem 52 5430 1987]. [Beilstein 16 IV 958.]
1,2-Bis(diphenylphosphino)ethane Preparation Products And Raw materials
Preparation Products (+/-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl-->(R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl-->Bis(diphenylphosphino)methane
Raw materials Etanol-->Sodium hydroxide-->Hydrochloric acid-->Ethyl acetate-->Tetrahydrofuran-->Dichloromethane-->Sodium-->PETROLEUM ETHER-->Magnesium sulfate-->Acetone-->n-Butyllithium-->Triphenylphosphine-->1,2-Dichloroethane -->Litium-->1,2-Dibromoethane-->Diphenylphosphine

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