Process for producing Epsilon-caprolactone

摘要

Disclosed is a process for producing epsilon - caprolactone which comprises distilling a reaction mixture obtained by oxidation of cyclohexanone to separate impurities, wherein epsilon -caprolactone separated in a rectifying column is contacted with an oxygen-containing gas and then distilled. Thereby, a high quality of epsilon -caprolactone of in which no coloration occurs during long time preservation can be produced by industrial advantages.