Used as a plasticizer and stabilizer in polymer formulations, particularly in polyvinyl chloride (PVC) and other plastics to improve flexibility, durability, and resistance to heat and UV degradation. It enhances the processability of resins during manufacturing and contributes to long-term performance in outdoor applications such as cables, coatings, and construction materials. Its molecular structure allows for effective interaction with polymer chains, reducing brittleness without significantly lowering thermal stability. Also investigated as a component in specialty adhesives and sealants where improved adhesion and environmental resistance are required.