Method for producing 4-chlorobiphenyl and 4-chlorobiphenyl-specific specifications

摘要

The invention relates to a process for preparing 4-chlorobiphenyl by(a) reacting biphenyl and chlorine in the presence of one or more ring-chlorination catalysts, and(b) subjecting the reaction mixture obtained in step (a) to fractional distillation to obtain 4-chlorobiphenyl.