4-Fluoro-1-naphthonitrile is primarily used in the pharmaceutical and agrochemical industries as a key intermediate in the synthesis of various active compounds. Its structure allows it to act as a building block for the development of drugs, particularly those targeting neurological disorders, due to its ability to interact with specific biological receptors. In agrochemicals, it serves as a precursor for creating pesticides and herbicides, offering effective pest control solutions. Additionally, it finds application in material science, where it is utilized in the production of specialty polymers and dyes, enhancing their performance and stability. Its versatility makes it valuable in research and industrial processes.