Diethyl Phthalate is primarily used as a plasticizer. In addition, Diethyl Phthalate can be used as an solvent for various organic molecules, making it useful in binding cosmetic addtives and fragrances.

邻苯二甲酸二乙酯主要用作增塑剂。此外，邻苯二甲酸二乙酯可用作各种有机分子的溶剂，使其可用于粘合化妆品添加剂和香料。