Used primarily as a reagent in organic synthesis, especially in Sonogashira coupling reactions where it introduces a terminal alkyne functionality. Its long alkyl chain makes it useful in the preparation of specialty materials such as liquid crystals and surfactants. Also employed in the synthesis of labeled compounds for research in radiochemistry and tracer studies due to the presence of iodine, which can be isotopically labeled. Additionally, it serves as a building block in the development of functionalized polymers and surface modifiers in nanotechnology applications.