Used primarily as a reactive intermediate in organic synthesis, enabling the formation of carbon-carbon bonds through coupling reactions. Commonly employed in the preparation of pharmaceuticals, agrochemicals, and fine chemicals due to its ability to undergo palladium-catalyzed cross-coupling reactions. Also serves as a building block in the synthesis of styrene derivatives and functionalized aromatic compounds. Its bromine functionality allows for selective transformations, making it valuable in research and development of new chemical entities.