1,3,5-Tribromoadamantane is primarily used in the field of organic synthesis as a building block for the development of more complex chemical structures. Its rigid adamantane core and bromine substituents make it a valuable intermediate in the creation of polymers and advanced materials with high thermal stability and unique mechanical properties. It is also employed in the preparation of flame retardants, where its bromine content enhances the fire-resistant characteristics of materials. Additionally, this compound is utilized in pharmaceutical research for the synthesis of drug candidates, particularly those targeting neurological disorders, due to its ability to cross the blood-brain barrier.