Hexamethylenetetramine tribromide is primarily used as a brominating agent in organic synthesis. It is particularly effective in the bromination of aromatic compounds, where it provides a controlled release of bromine, ensuring selective and efficient reactions. This chemical is also employed in the preparation of flame retardants, where its bromine content enhances the fire-resistant properties of materials. Additionally, it finds application in the pharmaceutical industry for the synthesis of brominated intermediates used in drug manufacturing. Its stability and ease of handling make it a preferred choice in laboratory settings for various bromination processes.