2-(Bromomethyl)naphthalene is primarily used as an intermediate in organic synthesis. It is commonly employed in the preparation of various naphthalene derivatives, which are valuable in the development of pharmaceuticals, agrochemicals, and dyes. The bromomethyl group in the compound makes it a versatile building block for introducing naphthalene moieties into larger molecules through nucleophilic substitution reactions. Additionally, it is utilized in the synthesis of fluorescent compounds and materials for optoelectronic applications due to the naphthalene core's ability to enhance photophysical properties. In research, it serves as a key reagent for constructing complex organic frameworks.