2-Chlorostyrene is primarily used as a monomer in the production of specialty polymers and copolymers. Its incorporation into polymer chains enhances properties such as chemical resistance, thermal stability, and mechanical strength. These polymers are often utilized in the manufacturing of high-performance coatings, adhesives, and sealants, particularly in industries requiring durable and resilient materials, such as automotive and construction. Additionally, 2-chlorostyrene is employed in the synthesis of resins that are used in electronic components, where its stability under varying conditions is advantageous. Its role in creating custom-designed polymers also makes it valuable in research and development for advanced material applications.