Pentacosanoic acid
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| General | ||||||||||||||||
| Surname | Pentacosanoic acid | |||||||||||||||
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| Molecular formula | C 25 H 50 O 2 | |||||||||||||||
| Brief description |
white solid |
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| properties | ||||||||||||||||
| Molar mass | 382.67 g mol −1 | |||||||||||||||
| Physical state |
firmly |
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| As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . | ||||||||||||||||
Pentacosanoic acid is a saturated, long-chain fatty acid with an odd number of carbon numbers and belongs to the group of alkanoic acids .
The monocarboxylic acid is assigned to the wax acids and, as a carboxylic acid ester, is a component of montan wax and beeswax , it is also found in traces in the triglycerides of peanut oil and pumpkin seed oil , and in dairy products. It also occurs in small quantities in a few plant species, e.g. B. in salvia and rhododendron species.
Obsolete names
The term hyenic acid, also used in the English literature, is not clearly defined. Because the melting point of hyenaic acid of 77.5 ° C is very different, it is probably a different acid with an undefined configuration.
Individual evidence
- ↑ a b c Entry on Pentacosanoic Acid,> 96% at TCI Europe, accessed on November 3, 2017.
- ↑ David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 93rd edition. (Internet version: 2012), CRC Press / Taylor and Francis, Boca Raton, FL, Biochemistry, pp. 7-8.
- ^ A b Albin H. Warth: The Chemistry and Technology of Waxes. Second Edition, Reinhold Publ., 1956, p. 34 f, online at babel.hathitrust.org, accessed on November 1, 2017.
- ↑ a b H. P. Kaufmann: Analysis of fats and fat products. Volume 1, Springer, 1958, p. 313.
- ↑ Raymond E. Kirk , Donald F. Othmer : Encyclopedia of Chemical Technology. Vol. 6, 1951, p. 258.
- ^ Martin Kohlmeier: Nutrient Metabolism. Second Edition, Academic Press, 2015, ISBN 978-0-12-387784-0 , p. 123.
- ↑ Pentacosanoic acid ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice. at PlantFA Database, accessed October 31, 2017.
