1-Chlorodocosane is primarily utilized in organic synthesis as an intermediate for the production of more complex chemical compounds. It is often employed in the preparation of surfactants and lubricants, where its long hydrocarbon chain contributes to the desired properties of these products. Additionally, it serves as a precursor in the synthesis of quaternary ammonium compounds, which are widely used as disinfectants, fabric softeners, and antistatic agents. In research, it is used to study the behavior of long-chain alkyl halides in various chemical reactions, aiding in the development of new materials and processes. Its application extends to the field of nanotechnology, where it can be used to modify surface properties of nanoparticles or to create self-assembled monolayers for specific functionalities.