9,12-Octadecadienoic acid, methyl ester, (E,E)-


Reaction thermochemistry data

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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

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Individual Reactions

2Hydrogen + 9,12-Octadecadienoic acid, methyl ester, (E,E)- = Methyl stearate

By formula: 2H2 + C19H34O2 = C19H38O2

Quantity Value Units Method Reference Comment
Δr-55.70 ± 0.13kcal/molChydRogers and Siddiqui, 1975liquid phase; solvent: n-Hexane

Gas Chromatography

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillarySupelcowax-102405.Chung, Fung, et al., 200560. m/0.25 mm/0.25 μm, 35. C @ 5. min, 6. K/min, 195. C @ 60. min

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5 MS1980.Xu, Han, et al., 201230. m/0.25 mm/0.25 μm, 60. C @ 2. min, 15. K/min, 300. C @ 10. min
CapillaryHP-5 MS1980.Xu, Han, et al., 200930. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 15. K/min, 300. C @ 10. min

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Rogers and Siddiqui, 1975
Rogers, D.W.; Siddiqui, N.A., Heats of hydrogenation of large molecules. I. Esters of unsaturated fatty acids, J. Phys. Chem., 1975, 79, 574-577. [all data]

Chung, Fung, et al., 2005
Chung, H.Y.; Fung, P.K.; Kim, J.-S., Aroma impact components in commercial plain sufu, J. Agric. Food Chem., 2005, 53, 5, 1684-1691, https://doi.org/10.1021/jf048617d . [all data]

Xu, Han, et al., 2012
Xu, L.-L.; Han, T.; Wu, J.-Z.; Zhang, Q.-Y.; Zhang, H.; Huang, B.-K.; Rahman, K., Comparative research of chemical constituents, antifungal and antitumor properties of ether extracts of Panax ginseng and its endophytic fungus, 2012, retrieved from http://www.thefreelibrary.com/Comparative .... [all data]

Xu, Han, et al., 2009
Xu, L.-L.; Han, T.; Wu, J.-Z.; Zhang, Q.-Y.; Zhang, H.; Huang, B.-K.; Rahman, K., Comparative research of chemical constituents, antifungal and antitumor properties of ether extracts of Panax ginseng and its endophytic fungus, Phytomedicine: Int. J. Phytotherapy Phytopharmacology, 2009, 16, 6-7, 609-616, https://doi.org/10.1016/j.phymed.2009.03.014 . [all data]


Notes

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