Dioctyl sebacate
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Names | |
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IUPAC name Bis(2-ethylhexyl) decanedioate | |
Systematic IUPAC name [Heptane-3-yl-(-3-methane-1,1-diyl)-] decanedioate | |
Other names Di(2-ethylhexyl) sebacate, Proviplast 1988, dioctyl sebacate (archaic) | |
Identifiers | |
CAS Number |
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.004.145 ![]() |
PubChem CID |
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UNII |
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CompTox Dashboard (EPA) |
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InChI
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Properties | |
Chemical formula | C26H50O4 |
Molar mass | 426.682 g·mol−1 |
Density | 0.9 of water |
Melting point | −48 °C (−54 °F; 225 K) |
Boiling point | 256 °C (493 °F; 529 K) at 0.7 kPa |
Solubility in water | none |
Vapor pressure | 0.000024 Pa at 37 °C |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards | reacts with oxidants |
Flash point | 210 °C (410 °F; 483 K) open cup |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) | 5 g/kg (rat, orally) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ![]() ![]() ![]() Infobox references |
Chemical compound
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.[1] It has also found use in Dot 5 brake fluid, in ester-based engine oils and additives, as seed particle for particle image velocimetry (PIV) and as a model compound that forms stable aerosols.
References
- ^ Handbook of Thermal Analysis and Calorimetry. Elsevier. 2018.
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