P-chlorotoluene is the intermediate of fenvalerate, Paclobutrazol, Uniconazole, trifluralin, chlorpyrifos, and so on. It can also be used to produce p-chlorobenzaldehyde, which is used as dye and pharmaceutical intermediate. The p-chlorobenzoyl chloride is the intermediate of xiaoyantong, and the p-chlorobenzoic acid is the raw material of dye and textile finishing agent.