1-Bromo-3-phenylpropane is primarily used as an intermediate in organic synthesis. It plays a key role in the production of pharmaceuticals, where it serves as a building block for creating more complex molecules. Additionally, it is utilized in the synthesis of fine chemicals and agrochemicals, contributing to the development of compounds with specific biological activities. In research, it is often employed in cross-coupling reactions, such as the Heck reaction, to form carbon-carbon bonds. Its application extends to the preparation of liquid crystals and other advanced materials, making it valuable in both industrial and academic settings.