Ethyl decadienoate
Chemical compound
From Wikipedia, the free encyclopedia
Ethyl decadienoate, also known as pear ester, is an organic chemical compound used in flavors and perfumery for its pear-like taste and odor.
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| Names | |
|---|---|
| Preferred IUPAC name
Ethyl (2E,4Z)-deca-2,4-dienoate | |
| Other names
Ethyl (2E,4Z)-2,4-decadienoate Pear ester Ethyl 2-trans-4-cis-decadienoate | |
| Identifiers | |
3D model (JSmol) |
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| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.019.254 |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C12H20O2 | |
| Molar mass | 196.290 g·mol−1 |
| Appearance | Colorless liquid[1] |
| Boiling point | 70–72 °C (158–162 °F; 343–345 K) |
| 8.588 mg/L (est.)[5] | |
| Hazards | |
| Flash point | 113 °C (235 °F)[2] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Occurrence and preparation
Ethyl decadienoate is found in apples, Bartlett pears, Concord grapes, beer, pear brandy and quince.[1]
It can also be prepared synthetically from 1-octyn-3-ol[4] or from ethyl propiolate.[3]
Uses
Ethyl decadienoate is used in natural flavors and fragrances for its intense fruity flavor. In the United States, as a food additive it is listed as generally recognized as safe (GRAS).[6]