 | |
| Names | |
|---|---|
| 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 | |
| |
3D model (JSmol) | |
| ChemSpider |
|
| ECHA InfoCard | 100.004.145 |
| UNII | |
| |
| |
| Properties | |
| 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 |
| 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 theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Dioctyl sebacate (alsodi(2-ethylhexyl) sebacate, commonly abbreviated asDOS,DEHS, andBEHS) is anorganic compound which is thediester ofsebacic acid and2-ethylhexanol.
It is an oily colorless liquid and is used as aplasticizer, including in the explosiveC4.[1] It has also found use inDot 5brake fluid, inester-basedengine oils and additives, as seed particle forparticle image velocimetry (PIV) and as a model compound that forms stable aerosols.
