Chlorobenzene is primarily used as an intermediate in the production of other chemicals. It plays a key role in the synthesis of pesticides, herbicides, and dyes. Additionally, it is utilized in the manufacturing of rubber, adhesives, and coatings. In the pharmaceutical industry, chlorobenzene serves as a solvent and reactant in the production of various drugs. It is also employed in the creation of nitrochlorobenzenes, which are further processed into compounds used in the chemical industry.