1-Bromoheptadecane is primarily used in organic synthesis as an alkylating agent, where it introduces the heptadecyl group into various molecules. It is commonly employed in the preparation of surfactants and detergents, where its long hydrocarbon chain enhances the amphiphilic properties of the final product. Additionally, it serves as a key intermediate in the synthesis of quaternary ammonium compounds, which are widely used in fabric softeners, disinfectants, and antimicrobial agents. In research, it is utilized to modify surfaces or create hydrophobic coatings due to its long alkyl chain. It also finds application in the pharmaceutical industry for the synthesis of lipid-based drug delivery systems.