Dichlorofluorobenzene is prepared by diazotizating of 2,4-dichloro aniline and substituting of 2,4-dichloro diazo benzene with fluorinion.

在此概述2,4-氯苯胺经过重氮化、换制得2,4-氯氟苯的工艺,品纯度达到99。