Used primarily in organic synthesis as a reagent for introducing pentafluorophenoxy groups into molecules, enhancing their reactivity or stability. It is also employed in the preparation of specialty chemicals, including pharmaceuticals and agrochemicals, where the pentafluorophenoxy moiety can improve biological activity or metabolic resistance. Additionally, it serves as a building block in the development of advanced materials, such as polymers and coatings, which require specific fluorinated properties for improved performance in harsh environments. Its applications extend to research settings, where it is utilized in the study of fluorinated compounds and their interactions.