Bis(2-ethylhexyl) adipateorDEHA or DOA is an organic compound with the formula (CH2CH2CO2C8H17)2. It is the diesterof2-ethylhexanol and adipic acid. It is a colorless oily liquid.
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| Names | |
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| Preferred IUPAC name
Bis(2-ethylhexyl) hexanedioate | |
| Other names
DEHA; DOA, Di(2-ethylhexyl) adipate, dioctyl adipate (archaic)[1] | |
| Identifiers | |
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3D model (JSmol) |
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| Abbreviations | DEHA & DOA |
| ChEBI | |
| ChEMBL | |
| ChemSpider |
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| ECHA InfoCard | 100.002.810 
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| EC Number |
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| KEGG |
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PubChem CID |
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| UNII | |
| UN number | 3082 |
CompTox Dashboard (EPA) |
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| Properties | |
| C22H42O4 | |
| Molar mass | 370.574 g·mol−1 |
| Appearance | colourless oily liquid |
| Density | 0.93 g/cm3 |
| Melting point | −67.8 °C (−90.0 °F; 205.3 K) |
| Boiling point | 417 °C (783 °F; 690 K) |
| negligible | |
| Vapor pressure | 2.6 mm Hg at 200 °C |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards |
Mildly toxic (for humans and animals) |
| Flash point | 196 °C (385 °F; 469 K) |
| 377 °C (711 °F; 650 K) | |
| Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
900 mg/kg (rat, oral)[2] |
| Safety data sheet (SDS) | Oxford University |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
DEHA is sometimes called "dioctyl adipate", incorrectly. Another name is di(2-ethylhexyl) adipate. The abbreviation DOA has been unfortunately used for both Bis(-2-ethylhexyl)-adipate and dioctyl adipate
As well as related diesters derived from octanol, decanol, isodecanol, etc., it is used as a plasticizer.[3]
DEHA is used as a hydraulic fluid, and a component of aircraft lubricants. It is sometimes also used as an ingredient in PVC-based plastic wrap.
DEHA has very low toxicity. The LD50 is estimated at 900 mg/kg (rat, i.v.).[3]
According to the International Agency for Research on Cancer (IARC), it is "not classifiable as to its carcinogenicity to humans (Group 3)."[4][5]
