Used primarily as a fluorinated building block in organic synthesis, especially in pharmaceutical and agrochemical industries. Its iodine functionality allows for coupling reactions, such as cross-coupling or radical reactions, enabling the introduction of a pentafluoropropyl-like group into target molecules. This enhances lipophilicity and metabolic stability in bioactive compounds. Also employed in materials science for modifying surface properties, such as increasing hydrophobicity and chemical resistance in specialty polymers and coatings. Its unique fluorine content makes it valuable in the development of fluorinated reagents and tracers for research applications.