Used in oil and gas drilling as a dense brine solution to control well pressure and prevent blowouts. Its high density and solubility make it ideal for completion and workover fluids in deep wells. Also employed in the chemical synthesis of other bromide compounds. In some cases, it serves as a desiccant or drying agent due to its hygroscopic nature. Additionally, used in water treatment and as an additive in certain industrial processes requiring a source of bromide ions.