Oleic Acid
- Formula: C18H34O2
- Molecular weight: 282.4614
- IUPAC Standard InChI: InChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/b10-9-
- IUPAC Standard InChIKey: ZQPPMHVWECSIRJ-KTKRTIGZSA-N
- CAS Registry Number: 112-80-1
- 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: 9-Octadecenoic acid (Z)-; Δ9-cis-Oleic acid; cis-Oleic Acid; cis-9-Octadecenoic Acid; Emersol 211; Emersol 220 White Oleic Acid; Emersol 221 Low Titer White Oleic Acid; Oelsauere; Oleine 7503; Pamolyn 100; Vopcolene 27; Wecoline OO; Z-9-Octadecenoic acid; cis-Octadec-9-enoic acid; cis-Δ9-octadecenoic acid; cis-Δ9-Octadecenoate; neo-Fat 90-04; neo-Fat 92-04; Century cd fatty acid; Elaidoic acid; Emersol 210; Emersol 213; Emersol 6321; Glycon RO; Glycon WO; Groco 2; Groco 4; Groco 5l; Groco 6; Hy-phi 1055; Hy-phi 1088; Hy-phi 2066; Hy-phi 2088; Hy-phi 2102; K 52; L'Acide oleique; Metaupon; Tego-oleic 130; 9-Octadecenoic acid, cis-; Elaic acid; Industrene 105; Industrene 205; Industrene 206; Oleinic acid; Pamolyn; Wochem no. 320; (Z)-9-Octadecanoic acid; Emersol 6313 NF; Priolene 6906; 9-(Z)-octadecenoic acid; (Z)-Octadec-9-enoic acid; 9-Octadecenoic acid (9Z)-; D 100; Emersol 205; Extraolein 90
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Condensed phase thermochemistry data
Go To: Top, Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -182.8 | kcal/mol | Chyd | Rogers, Hoyte, et al., 1978 | Authors gave two values |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -2667.46 | kcal/mol | Ccb | Keffler, 1930 | At 293 °K; Corresponding ΔfHºliquid = -186.82 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Reaction thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+
=
By formula: C18H34O2 + H2 = C18H36O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -29.54 ± 0.38 | kcal/mol | Chyd | Rogers, Hoyte, et al., 1978 | liquid phase; solvent: Hexane; Authors gave two values |
| ΔrH° | -29.9 ± 0.2 | kcal/mol | Chyd | Rogers, Hoyte, et al., 1978 | liquid phase; solvent: Hexane; Authors gave two values |
References
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry 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]
Keffler, 1930
Keffler, L.J.P.,
Calorimetric researches on geometrical isomerism. Part I. Preliminary studies on oleic and elaidic acids and esters from a comparison of their heats of combustion,
J. Phys. Chem., 1930, 34, 1319-1325. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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