Decenylsuccinic anhydride is widely used as a curing agent in the production of epoxy resins, enhancing their mechanical and thermal properties. It is also employed as a corrosion inhibitor in lubricants and metalworking fluids, providing long-lasting protection against rust and wear. In the paper industry, it serves as a sizing agent, improving the water resistance and strength of paper products. Additionally, it is utilized in the synthesis of surfactants and emulsifiers, contributing to the stability and performance of various formulations. Its versatility makes it valuable in coatings, adhesives, and other industrial applications.