Eicosadienoic acid

from Wikipedia, the free encyclopedia
Structural formula
Eicosadienoic acid
Illustration of (11 Z , 14 Z ) -eicosadienoic acid
General
Surname Eicosadienoic acid
other names
  • 11,14-eicosadienoic acid
  • Icosadienoic acid
  • Homogammalinolenic acid
Molecular formula C 20 H 36 O 2
External identifiers / databases
CAS number
  • 5598-38-9 (11 Z , 14 Z ) isomer
  • 2091-39-6 (11 E , 14 E ) isomer
PubChem 6439848
Wikidata Q25402866
properties
Molar mass 308.50 g mol −1
Physical state

liquid

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Eicosadienoic acid is a doubly unsaturated fatty acid in the omega-6 fatty acid group .

Isomers

Eicosadienoic acid has two double bonds that can be in a cis or trans configuration.

The diene acid having two cis - double bonds is an isomer of the Keteleeronsäure , (5 Z , 11 Z ) -Eicosadiensäure.

Occurrence

(11 Z , 14 Z ) -Eicosadienoic acid occurs esterified as triacylglyceride in the seed oil of various types of conifers in amounts of up to approx. 25%, as well as in other plants. It occurs in small amounts in black cumin oil ( Nigella ), pine nut oil ( Pinus ), camelina oil ( Camelina sativa ), Krambe ( Krambe ) and coriander oil ( Coriandrum sativum ) and in borage seed oil ( Borago officinalis ).

Individual evidence

  1. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  2. ↑ External identifiers or database links to (5 Z , 11 Z ) -eicosadienoic acid : CAS number: 70363-48-3, PubChem : 13751478 , ChemSpider : 32815823 , Wikidata : Q27273917 .
  3. ↑ 11,14-Eicosadienoic acid, (11Z, 14Z) - from PlantFA Database, accessed October 27, 2017.
  4. ↑ Sabine Krist: Lexicon of vegetable fats and oils. 2nd edition, Springer, 2013, ISBN 978-3-7091-1004-1 .