Used primarily as an intermediate in the synthesis of fluorinated pharmaceuticals and agrochemicals, this compound enables the introduction of highly fluorinated segments into larger molecules, enhancing metabolic stability and lipid solubility. Its iodo and hydroxyl functional groups allow for further chemical modifications, making it valuable in medicinal chemistry for building complex, bioactive molecules. Additionally, it serves in the development of specialty surfactants and surface treatments where water and oil repellency are required. The perfluorobutyl chain contributes to thermal and chemical resistance, useful in high-performance materials.