METHOD FOR PURIFYING CARBOXYLIC ACID ESTERS

摘要

PROBLEM TO BE SOLVED: To provide a method for purifying a carboxylic acid ester. SOLUTION: This method for separating and purifying the carboxylic acid ester is characterized in that an acid halide derivative is added to the carboxylic acid ester having an azeotropic composition with water and/or an alcohol and the carboxylic acid ester is distilled.