Dioctyl sebacate (also di(2-ethylhexyl) sebacate, commonly abbreviated as DOS, DEHS, and BEHS) is an
organic compound
Some chemical authorities define an organic compound as a chemical compound that contains a carbon–hydrogen or carbon–carbon bond; others consider an organic compound to be any chemical compound that contains carbon. For example, carbon-co ...
which is the
diester of
sebacic acid and
2-ethylhexanol.
It is an oily colorless liquid and is used as a
plasticizer
A plasticizer ( UK: plasticiser) is a substance that is added to a material to make it softer and more flexible, to increase its plasticity, to decrease its viscosity, and/or to decrease friction during its handling in manufacture.
Plasticizer ...
, including in the explosive
C4.
It has also found use in
Dot 5 brake fluid, in
ester
In chemistry, an ester is a compound derived from an acid (either organic or inorganic) in which the hydrogen atom (H) of at least one acidic hydroxyl group () of that acid is replaced by an organyl group (R). These compounds contain a distin ...
-based
engine oils and additives, as seed particle for
particle image velocimetry (PIV) and as a model compound that forms stable aerosols.
References
Carboxylate esters
Plasticizers
2-Ethylhexyl esters
{{Ester-stub