Disodium sebacate is widely used as a buffering agent in various cosmetic and personal care products, helping to stabilize the pH of formulations such as creams, lotions, and shampoos. In the pharmaceutical industry, it serves as an excipient in tablet and capsule formulations, aiding in controlled drug release. Additionally, it is employed in the production of biodegradable plastics and polymers, contributing to environmentally friendly materials. Its chelating properties make it useful in water treatment processes to bind metal ions and prevent scaling. In industrial applications, it acts as a lubricant additive to enhance the performance of machinery by reducing friction and wear.