Used as an acetylating agent in organic synthesis, particularly in the preparation of fluorinated pharmaceutical intermediates. Its fluorinated aromatic structure enhances reactivity and selectivity in esterification and transesterification reactions. Commonly employed in the development of active pharmaceutical ingredients (APIs) where the 4-fluorophenyl group acts as a metabolic stabilizer. Also utilized in the synthesis of agrochemicals and specialty polymers due to its ability to introduce both acetyl and fluorophenyl functionalities in a single step. Stable under standard handling conditions and compatible with a range of solvents, making it suitable for use in automated synthesis systems.