Hexyltrimethylammonium bromide is widely used as a cationic surfactant in various industrial and laboratory applications. It is commonly employed in the synthesis of nanomaterials, where it acts as a stabilizing agent to control the size and shape of nanoparticles during their formation. In the field of biotechnology, it is utilized in DNA extraction and purification processes due to its ability to interact with nucleic acids and facilitate their separation from other cellular components. Additionally, it finds application in the formulation of disinfectants and antimicrobial agents, where its surfactant properties help in disrupting microbial cell membranes. In the petroleum industry, it is used as a corrosion inhibitor and in enhanced oil recovery processes to improve the efficiency of oil extraction. Its role in phase transfer catalysis also makes it valuable in organic synthesis, particularly in reactions requiring the transfer of reactants between immiscible phases.