The production of glyphosate from orthophosphorous acid and pure diacid substituting for dilycolamidic acid was described,and the process was improved with high yield.

• 简述了固体亚磷酸和纯二酸替代亚氨基二乙酸盐酸盐和液体亚磷酸生产草甘膦工艺,为大生产工艺改进,提高草甘膦生产收率。