The optimal synthesis with polyphosphoric acid was put forward to produce high purity of phosphoric acid monoester,and its application was described.

• 介绍了磷酸单酯的各种合成工艺路线,并比较了它们的优缺点,提出了聚磷酸法是合成高纯度磷酸单酯的最佳路线。