马来酸二乙酯(Diethyl maleate)别名顺丁烯二酸二乙酯为无色透明液体,能与多种有机溶剂混溶,在苯和氯仿中部分溶解,30℃时在水中溶解1.4%;水在马来酸二乙酯中溶解1.9%。与88.2%的水形成共沸混合物,共沸点99.65℃;用作农药中间体,用于制备有机磷农药马拉硫磷,也可用于生产香料。
Diethyl maleate, also known as diethyl maleate, is a colorless transparent liquid, miscible with a variety of organic solvents, partially dissolved in benzene and chloroform, and dissolved in water at 30℃ by 1.4%; Water dissolved in diethyl maleate by 1.9%. Form an azeotrope with 88.2% water, with an azeotrope point of 99.65℃; Used as a pesticide intermediate, for the preparation of the organophosphorus pesticide malathion, can also be used in the production of spices.