Used primarily in the production of butyl rubber, which is essential for manufacturing inner tubes, tire liners, and seals due to its excellent air impermeability and flexibility. Also serves as a key intermediate in synthesizing antioxidants, such as butylated hydroxytoluene (BHT), used in food preservation and plastics stabilization. Employed in the manufacture of methyl methacrylate and other acrylic derivatives used in paints, adhesives, and coatings. Additionally, utilized in alkylation processes in refineries to produce high-octane gasoline components.