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Dioctyl sebacate (also di (2-ethylhexyl) sebacate, commonly abbreviated as DOS, DEHS, and BEHS) is an organic compound which is the diester of sebacic acid and 2-ethylhexanol . It is an oily colorless liquid and is used as a plasticizer, including in the explosive C4. [3]

Dioctyl sebacate is an ester of particular interest due to its high oxidative and thermal stability, excellent lubricity, good biodegradability and moderate production costs and can be used as a synthetic lubricant [1], [3], [7]. Dioctyl sebacate can be synthetized by esterification of sebacic acid and octanol, using acid or enzyme catalyst.

Prevented from collision. and sunrays,rain-attack during handling and shipping. Description. 1.Dioctyl sebacate/DOS,is a superior cold-resisting plasticize. 2.DOS plasticizer mainly used on PVC cellulosic resins and synthetic rubber. 3.Dioctyl sebacate uses,usually mixed with phthalic esters.

Dioctyl Sebacate (DOS) is used as a plasticizer for PVC, nitrocelluloses, styrene resins, and synthetic rubbers where low temperature performance is required. DOS is also compliant with FDA CFR 21 for food contact materials. Dioctyl Sebacate can also be used in lubricants to allow more mobility at lower temperatures.

The common varieties of cold resistant plasticizers are DOS, dioctyl adipate and diisobutyl nylon.Of these varieties, diisobutyl nylon acid is the most volatile, dioctyl adipate is the second, DOS is the best. The chemical name for DOS is di-sebacate (2-ethyl) hexyl ester, and the exact abbreviation is DEHS.