Chemistry:1,2-Bis(dicyclohexylphosphino)ethane

1,2-Bis(dicyclohexylphosphino)ethane

Names
Preferred IUPAC name (Ethane-1,2-diyl)bis(dicyclohexylphosphane)
Other names dcpe
Identifiers
CAS Number	23743-26-2
3D model (JSmol)	Interactive image
ChemSpider	465407
PubChem CID	534202
UNII	DG2ZG8EGQ2 Y
InChI InChI=1S/C26H48P2/c1-5-13-23(14-6-1)27(24-15-7-2-8-16-24)21-22-28(25-17-9-3-10-18-25)26-19-11-4-12-20-26/h23-26H,1-22H2 Key: BOUYBUIVMHNXQB-UHFFFAOYSA-N InChI=1/C26H48P2/c1-5-13-23(14-6-1)27(24-15-7-2-8-16-24)21-22-28(25-17-9-3-10-18-25)26-19-11-4-12-20-26/h23-26H,1-22H2 Key: BOUYBUIVMHNXQB-UHFFFAOYAM
SMILES C1CCC(CC1)P(CCP(C2CCCCC2)C3CCCCC3)C4CCCCC4
Properties
Chemical formula	C26H48P2
Molar mass	422.61
Appearance	white solid
Melting point	96–97 °C (205–207 °F; 369–370 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Bis(dicyclohexylphosphino)ethane, abbreviated dcpe, is an organophosphorus compound with the formula (C₆H₁₁)₂PCH₂CH₂P(C₆H₁₁)₂. It is a white solid that is soluble in nonpolar organic solvents. The compound is used as a bulky and highly basic diphosphine ligand in coordination chemistry.