Analysis method for detecting chlorovaleric acid and valerolactone impurities from acyl chloride

The invention relates to the technical field of chemical analysis and detection, and provides an analysis method for detecting chlorovaleric acid and valerolactone impurities from acyl chloride, which comprises the following steps: detecting the content of 5-chlorovaleric acid and delta-valerolactone in 5-chlorovaleryl chloride by adopting an HPLC-UV (High Performance Liquid Chromatography-Ultraviolet) method, and during detection by adopting the HPLC-UV method, the chromatographic conditions are as follows: a chromatographic column is a C18 chromatographic column; the detection wavelength is 205 to 215 nm; mobile phases: a mobile phase A is acetonitrile, and a mobile phase B is water or a phosphoric acid solution. According to the technical scheme, the problem that the content of 5-chlorovaleric acid and delta-valerolactone impurities in 5-chlorovaleryl chloride cannot be simply and accurately measured in the prior art is solved. 本发明涉及化学品分析检测技术领域，提出了一种从酰氯中检测氯戊酸及戊内酯类杂质的分析方法，包括采用HPLC-UV法检测5-氯戊酰氯中5-氯戊酸及δ-戊内酯的含量