Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals. Its structure allows for the introduction of a fluorinated aromatic moiety into larger molecules, enhancing metabolic stability and bioavailability in drug design. Commonly employed in the preparation of herbicides and fungicides due to the electron-withdrawing fluorine atoms that improve binding affinity to target enzymes in pests. Also utilized in the development of specialty polymers where thermal and chemical resistance are required. The acyl chloride group enables easy coupling with amines or alcohols, making it valuable in constructing complex organic molecules through amide or ester formation.