1,2-Bis(dimethylphosphino)ethane

1,2-Bis(dimethylphosphino)ethane
IUPAC name Ethane-1,2-diylbis(dimethylphosphane)
Other names DMPE ethylenebis(dimethylphosphine) 1,2-Bis(dimethylphosphino)ethane
Identifiers
CAS number	23936-60-9
PubChem	141059
ChemSpider	124423 Y
Jmol-3D images	Image 1
SMILES P(C)(C)CCP(C)C
InChI InChI=1S/C6H16P2/c1-7(2)5-6-8(3)4/h5-6H2,1-4H3 Y Key: ZKWQSBFSGZJNFP-UHFFFAOYSA-N Y InChI=1/C6H16P2/c1-7(2)5-6-8(3)4/h5-6H2,1-4H3 Key: ZKWQSBFSGZJNFP-UHFFFAOYAN
Properties
Molecular formula	C6H16P2
Molar mass	150.14 g mol−1
Density	0.9 g/mL at 25 °C
Boiling point	180 °C
Hazards
GHS pictograms	[1]
R-phrases	H225, H315, H319, H335[1]
S-phrases	P210, P261, P305+351+338[1]
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

1,2-Bis(dimethylphosphino)ethane (dmpe) is a diphosphine ligand in coordination chemistry. It can be synthesised by the reaction of methylmagnesium iodide with 1,2-bis(dichlorophosphino)ethane:^[2]

Cl₂PCH₂CH₂PCl₂ + 4MeMgI → Me₂PCH₂CH₂PMe₂ + 4MgICl

References

1. ^ ^{a b c} Online Sigma Catalogue , accessdate: may 18th, 2011.
2. ^ R. J. Burt, J. Chatt, W. Hussain, G. J. Leigh (1979). "A convenient synthesis of 1,2-bis(dichlorophosphino)ethane, 1,2-bis(dimethylphosphino)ethane and 1,2-bis(diethylphosphino)ethane". J. Organomet. Chem. 182 (2): 203–206. doi:10.1016/S0022-328X(00)94383-3.