1-Bromododecane is primarily used as an alkylating agent in organic synthesis, where it introduces the dodecyl group into various compounds. It is commonly employed in the production of surfactants and detergents, as it serves as a precursor for quaternary ammonium compounds, which are key ingredients in fabric softeners and disinfectants. Additionally, it is utilized in the synthesis of phase-transfer catalysts, which facilitate reactions between substances in different phases. In research, 1-bromododecane is often used to modify surfaces or create long-chain alkyl derivatives for studying self-assembled monolayers (SAMs) on substrates like gold or silicon. Its hydrophobic nature also makes it suitable for applications in lubricants and as an intermediate in the manufacture of specialty chemicals.