1,2-Bis(dimethylphosphino)ethane
= 1,2-Bis(dimethylphosphino)ethane
{title2=$\mathrm{dmpe}$}
<1,2-Bis(dimethylphosphino)ethane> has the connectivity $\mathrm{Me_2PCH_2CH_2PMe_2}$. <Chelation> through both <phosphorus> donors contributes four <electrons> in ionic <electron counting>.