Used as an intermediate in organic synthesis, particularly in the preparation of functionalized polymers and liquid crystals. Its aldehyde group allows for further derivatization, such as condensation reactions to form imines or extended conjugated systems. The bromohexyl chain acts as a flexible spacer and can be used to introduce long alkyl chains into molecules, enabling modification of solubility or phase behavior. Commonly employed in the development of side-chain functional materials for optoelectronic applications or as a building block in supramolecular chemistry due to its ability to link with other functional units via nucleophilic substitution or coupling reactions.