Dibutyl Sebacate (DBS)

Definition - What does Dibutyl Sebacate (DBS) mean?

Dibutyl sebacate (DBS) is an organic chemical compound typically used as a plasticizer in the production of plastics such as cellulose acetate butyrate, cellulose acetate propionate, ethyl cellulose, polyvinyl butyral, polyvinyl chloride, polystyrene, and several other synthetic rubbers (e.g., nitrile rubber and neoprene).

Products plasticized with DBS exhibit excellent resistance to low temperatures and are also water resistant.

Corrosionpedia explains Dibutyl Sebacate (DBS)

As a plasticizer, dibutyl sebacate (DBS) increases the plasticity or decreases the viscosity of various materials used in the production of rubbers and plastics. It can also be used to improve the workability of paints, varnishes, adhesives and printing inks with a cellulose ester and polyvinyl chloride base.

This compound is insoluble in water but soluble in organic solvents such as hydrocarbons. Additionally, due to its nontoxic nature, dibutyl sebacate is commonly used in food contact applications and cosmetics.

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