Dibutyl sebacate (DBS) is an organic compound. It is used as a plasticizer. It is a dibutyl ester of sebacic acid. Its main use is to produce plastics. It can make cellulose acetate butyrate, cellulose acetate propionate, ethyl cellulose, polyvinyl butyral, polyvinyl chloride, polystyrene, and other plastics. These plastics are used in the food packaging industry, in medical devices, and in pharmaceutical applications. For example, it is used as a plasticizer for film coating of tablets, beads, and granules.