Linolelaidic acid

Linolelaidic acid^{[1] [2]}

Names
IUPAC name (9E,12E)-octadeca-9,12-dienoic acid
Other names trans, trans-9,12-octadecadienoic acid Linoeladic acid
Identifiers
CAS Number	506-21-8
ChEMBL	ChEMBL93204
ChemSpider	4445609
Jmol interactive 3D	Image
PubChem	5282457
InChI InChI=1S/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-7,9-10H,2-5,8,11-17H2,1H3,(H,19,20)/b7-6+,10-9+ Key: OYHQOLUKZRVURQ-AVQMFFATSA-N InChI=1/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-7,9-10H,2-5,8,11-17H2,1H3,(H,19,20)/b7-6+,10-9+ Key: OYHQOLUKZRVURQ-AVQMFFATBA
SMILES O=C(O)CCCCCCC/C=C/C/C=C/CCCCC
Properties
Chemical formula	C18H32O2
Molar mass	280.45 g/mol
Melting point	−5 °C (23 °F; 268 K)
Boiling point	229 to 230 °C (444 to 446 °F; 502 to 503 K) at 16 mmHg
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Linolelaidic acid is an omega-6 trans fatty acid (TFA)and is a geometric isomer of linoleic acid. It is found in partially hydrogenated vegetable oils. It is a white (or colourless) viscous liquid.

TFAs are classified as conjugated and nonconjugated, corresponding usually to the structural elements -CH=CH-CH₂-CH=CH- and -CH=CH-CH=CH-, respectively. Nonconjugated TFAs are represented by elaidic acid and linolelaidic acid. Their presence is linked heart diseases. The TFA vaccenic acid, which is of animal origin, poses less of a health risk.^[3]

References

1. Linolelaidic acid at chemexper.com
2. Linoeladic acid at pubchem.ncbi.nlm.nih.gov
3. Park, Yeonhwa "Conjugated linoleic acid (CLA): Good or bad trans fat?" Journal of Food Composition and Analysis 2009, vol. 22, S4-S12. doi:10.1016/j.jfca.2008.12.002