3-(Trifluoromethyl)benzyl chloride is primarily utilized as a key intermediate in the synthesis of various pharmaceuticals and agrochemicals. Its trifluoromethyl group enhances the biological activity and stability of the final compounds, making it valuable in drug development. It is also employed in the production of specialty chemicals, such as dyes and polymers, where the benzyl chloride moiety facilitates further functionalization. Additionally, it serves as a building block in organic synthesis, particularly in the creation of complex molecules for research and industrial applications.