Sodium bromide is a chemical compound with the formula NaBr. It consists of sodium, a soft, silvery-white metal, and bromine, a dark red-brown liquid. Sodium bromide is commonly used in various applications, including as a sedative in medicine and as a brominating agent in chemical reactions. In addition to its medical uses, sodium bromide is also utilized in photography and water treatment. It can help control algae growth in swimming pools and is sometimes used in the production of bromine compounds. Overall, sodium bromide is a versatile compound with multiple practical applications.