p-Chlorotoluene is primarily used as an intermediate in the synthesis of various chemicals, including dyes, pharmaceuticals, and agrochemicals. It plays a key role in the production of herbicides and insecticides, contributing to crop protection and pest control in agriculture. Additionally, it is utilized in the manufacture of pigments and colorants for industrial applications. In the pharmaceutical industry, it serves as a building block for the synthesis of active pharmaceutical ingredients (APIs) and other medicinal compounds. Its applications also extend to the production of organic compounds used in research and development.