Ethyl 3-phenylbut-2-enoate is widely used in the fragrance and flavor industry due to its pleasant fruity and floral aroma. It serves as a key ingredient in the formulation of perfumes, colognes, and scented products, adding a sweet and fresh note. Additionally, it is utilized in the food industry to enhance the flavor of various products, such as candies, beverages, and baked goods, by imparting a fruity essence. In organic synthesis, it acts as an intermediate for the production of more complex chemical compounds, particularly in the development of pharmaceuticals and agrochemicals. Its versatility and desirable sensory properties make it a valuable component in multiple industrial applications.