Arachidic acid
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| Names | |
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| IUPAC name
icosanoic acid
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| Other names
eicosanoic acid
n-eicosanoic acid arachidic acid arachic acid | |
| Identifiers | |
3D model (JSmol)
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| ECHA InfoCard | 100.007.302 |
PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| C20H40O2 | |
| Molar mass | 312.5304 |
| Appearance | white crystaline solid |
| Density | 0.8240 g/cm3 |
| Melting point | 75.5 °C |
| Boiling point | 328 °C |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Arachidic acid, also called eicosanoic acid, is a saturated fatty acid found in peanut oil. Its name derives from the Latin arachis — peanut. It can be formed by the hydrogenation of arachidonic acid. It is practically insoluble in water, and stable under normal conditions. It is a surfactant.
Reduction of arachidic acid yields arachidyl alcohol.
References
- Merck Index, 11th Edition, 791.
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