1-Iodopyrene is primarily used in research and development, particularly in the field of organic chemistry and material science. It serves as a key intermediate in the synthesis of more complex polycyclic aromatic hydrocarbons (PAHs), which are studied for their electronic properties and potential applications in organic semiconductors and photovoltaics. Additionally, it is utilized in the development of fluorescent probes and markers due to its ability to undergo specific chemical reactions that introduce luminescent properties. In environmental science, 1-Iodopyrene is employed as a tracer to study the behavior and transformation of PAHs in various ecosystems, aiding in pollution monitoring and assessment. Its role in these areas underscores its importance in advancing both scientific understanding and technological innovation.