9,12-Octadecadienoic acid (Z,Z)-
- Formula: C18H32O2
- Molecular weight: 280.4455
- IUPAC Standard 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-
- IUPAC Standard InChIKey: OYHQOLUKZRVURQ-HZJYTTRNSA-N
- CAS Registry Number: 60-33-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Stereoisomers:
- Other names: cis-9,cis-12-Octadecadienoic acid; cis,cis-Linoleic acid; Grape seed oil; Linoleic; Linoleic acid; Linolic acid; Polylin No. 515; Telfairic acid; Unifac 6550; 9,12-Octadecadienoic acid, cis,cis-; Leinoleic acid; 9,12-Linoleic acid; cis,cis-9,12-Octadecadienoic acid; Emersol 310; Emersol 315; Vespula pensylvanica b708568k063; 9-(Z), 12-(Z)-Octadecadienoic acid; Acide linoleique; Octadeca-9,12-dienoic acid, (cis,cis)-; (Z,Z)-9,12-Octadecadienoic acid; (Z,Z)-Octadeca-9, 12-dienoic acid; 9,12-Octadecadienoic acid (9Z,12Z)-; 9-cis,12-cis-Linoleic acid; 9Z,12Z-Linoleic acid; all-cis-9,12-Octadecadienoic acid; cis-Δ9,12-Octadecadienoic acid; Extra Linoleic 90; Polylin 515; 9,12-Octadecadienoic acid; Pamolyn 125 (Salt/Mix)
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Condensed phase thermochemistry data
Go To: Top, Phase change data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -634.7 | kJ/mol | Chyd | Rogers, Hoyte, et al., 1978 |
Phase change data
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 266.4 | K | N/A | Brown and Frankel, 1938 | Uncertainty assigned by TRC = 0.8 K; TRC |
| Tfus | 266.2 | K | N/A | Brown and Frankel, 1938 | Uncertainty assigned by TRC = 1. K; TRC |
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 502.7 | 0.021 | Weast and Grasselli, 1989 | BS |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rogers, Hoyte, et al., 1978
Rogers, D.W.; Hoyte, O.P.A.; Ho, R.K.C.,
Heats of hydrogenation of large molecules. Part 2. Six unsaturated and polyunsaturated fatty acids,
J. Chem. Soc. Faraday Trans. 1, 1978, 74, 46-52. [all data]
Brown and Frankel, 1938
Brown, J.B.; Frankel, J.,
Studies on the chemistry of the fatty acids: III. the properties of linoleic acids prepared by debromination and by low temperature crystallization, with a proposed method of quantitative estimation.,
J. Am. Chem. Soc., 1938, 60, 54. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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