An improved method for the synthesis of substantially pure Permethrin having purity greater than 99.5% by Gas Chromatography provided. The embodiments also relates to a purification process of Permethrin by recrystallization from methanol-water mixture.
本发明提供了一种通过气相色谱法合成纯度大于 99.5%的高纯度
氯菊酯的改进方法。本发明还涉及一种通过从
甲醇-
水混合物中重结晶来提纯
氯菊酯的工艺。