α-Phenylcinnamonitrile is primarily utilized in organic synthesis as a key intermediate for the production of various fine chemicals and pharmaceuticals. Its structure makes it valuable in the synthesis of heterocyclic compounds, which are often used in the development of drugs and agrochemicals. Additionally, it serves as a precursor in the preparation of flavors and fragrances due to its aromatic properties. In material science, it is employed in the creation of specialty polymers and coatings, contributing to enhanced durability and performance. Its reactivity also makes it useful in research and development for exploring new chemical reactions and pathways.