... phosphate ester with phenyl magnesium bromide in ether - toluene mixture boiling liquid, the resulting phenyl diethyl phosphate ... phosphate ester. With phenyl magnesium bromide in ether - toluene mixture boiling liquid, generated diethyl phenyl phosphate and diethyl ... phosphine oxide, phosphine.Use: Mainly used for high boiling point solvents, catalysts, plasticizers, flame retardants, ethyl agent, ...