Bromobenzene can be used to prepare the corresponding Grignard reagent, phenylmagnesium bromide. This can be used in a number of fashions, e.g. the reaction with carbon dioxide to prepare benzoic acid. Bromobenzene is used in the production of drugs.
Store in a segregated and approved area. Keep container in a cool, well ventilated area. Keep container tightly closed and sealed until ready for use. Avoid all possible sources of ignition.