Used as a phase-transfer catalyst in organic synthesis, particularly in fluorination reactions due to the electron-withdrawing nature of the pentafluorobenzyl group. It facilitates the formation of ylides in Wittig reactions, enabling the efficient synthesis of fluorinated alkenes, which are valuable in pharmaceutical and agrochemical industries. The compound’s stability and solubility properties make it suitable for reactions involving strong bases and anhydrous conditions. Additionally, it serves as a reagent in the preparation of fluorinated polymers and specialty materials where thermal and chemical resistance are required.