Used primarily as a reactive intermediate in organic synthesis, particularly in the production of specialty polymers and resins. It serves as a cross-linking agent in the manufacture of high-performance materials, such as thermosetting plastics, which are valued for their thermal stability and mechanical strength. Additionally, it finds application in the development of advanced coatings and adhesives, where its chloromethyl groups enable covalent bonding with other components, enhancing durability and chemical resistance. In research, it is utilized to create novel organic compounds with potential applications in electronics, photonics, and materials science.