2-Bromonaphthalene is widely used as an intermediate in organic synthesis, particularly in the production of dyes, pharmaceuticals, and agrochemicals. Its role in the synthesis of complex organic compounds is crucial due to its ability to undergo various chemical reactions, such as coupling reactions, which are essential for creating larger molecular structures. Additionally, it serves as a starting material in the preparation of naphthalene derivatives, which are valuable in the development of fluorescent probes and other specialized chemicals. Its application in research and industrial processes highlights its importance in advancing chemical innovation.