Used as a brominating agent in organic synthesis, particularly for selective bromination of aromatic compounds and alkenes. It serves as a stable and easy-to-handle source of bromine in controlled reactions. Commonly applied in pharmaceutical intermediates synthesis where precise bromine incorporation is required. Also utilized in water treatment as a disinfectant due to its ability to release hypobromous acid in aqueous solutions. Its sulfonate group enhances solubility and reactivity in polar solvents, making it suitable for homogeneous reaction conditions.