Ethyl α-Cyanocinnamate is widely used in organic synthesis as a key intermediate for the production of various fine chemicals and pharmaceuticals. Its α,β-unsaturated ester structure makes it valuable in Michael addition reactions, where it acts as an electrophile to form carbon-carbon bonds. This compound is also utilized in the synthesis of heterocyclic compounds, which are important in the development of drugs and agrochemicals. Additionally, it serves as a precursor in the preparation of UV-absorbing materials and dyes, contributing to advancements in materials science. Its role in photopolymerization processes further highlights its significance in creating coatings and adhesives with enhanced properties.