Diethyl phthalate
| Names | |
|---|---|
| Preferred IUPAC name Diethyl benzene-1,2-dicarboxylate | |
| Other names Diethyl phthalate | |
| Identifiers | |
| 3D model (JSmol) | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.001.409 | 
| KEGG | |
| PubChem CID | |
| UNII | |
| CompTox Dashboard (EPA) | |
| 
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| 
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| Properties | |
| C12H14O4 | |
| Molar mass | 222.24 g/mol | 
| Appearance | Colourless, oily liquid | 
| Density | 1.12 g/cm3 at 20 °C | 
| Melting point | −4 °C (25 °F; 269 K) | 
| Boiling point | 295 °C (563 °F; 568 K) | 
| 1080 mg/L at 25 °C | |
| log P | 2.42 | 
| Vapor pressure | 0.002 mmHg (25 °C) | 
| −127.5·10−6 cm3/mol | |
| Hazards | |
| NFPA 704 (fire diamond) | |
| Flash point | 161.1 °C (322.0 °F; 434.2 K) | 
| Explosive limits | 0.7%, lower | 
| Lethal dose or concentration (LD, LC): | |
| LD50 (median dose) | 8600 mg/kg (rat) | 
| NIOSH (US health exposure limits): | |
| PEL (Permissible) | None | 
| REL (Recommended) | TWA 5 mg/m3 | 
| IDLH (Immediate danger) | N.D. | 
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
Diethyl phthalate (DEP) is a phthalate ester. It is a colourless liquid without significant odour but with a bitter disagreeable taste.