Primarily used in organic synthesis, this compound serves as a versatile intermediate in the production of various sulfonated derivatives. It is particularly valuable in the development of dyes and pigments, where its sulfonic acid group enhances water solubility and binding affinity to substrates. Additionally, it plays a role in the manufacture of surfactants and detergents, contributing to their emulsifying and cleaning properties. In pharmaceutical research, it is utilized to modify molecules, improving their bioavailability or targeting specific biological pathways. Its bromoethyl group also makes it a useful reagent for cross-coupling reactions in advanced chemical synthesis.