Used primarily as a plasticizer in polyvinyl chloride (PVC) and other polymers to improve flexibility, durability, and workability. It is commonly found in wire and cable coatings, automotive parts, flooring, and synthetic leather due to its good low-temperature performance and resistance to extraction by water or oils. Also used in adhesives, sealants, and coatings to enhance elongation and reduce brittleness. Its compatibility with a range of resins makes it suitable for industrial and consumer products requiring long-term flexibility and stability.