Used as a flame retardant in polymers and resins due to the presence of bromine atoms, which interfere with the combustion process. It is particularly effective in thermoplastic and thermoset materials where thermal stability is required. Commonly incorporated into electronic enclosures, circuit boards, and electrical insulation to meet fire safety standards. Its cyclic ether structure allows for good compatibility with polar matrices, enhancing dispersion without significantly altering mechanical properties. Also investigated for use in reactive flame retardant systems where it participates in the polymer network formation.