Eicosanoic acid

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Condensed phase 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δcliquid-3005.31 ± 0.36kcal/molCcbAdriaanse, Dekker, et al., 1965Hfusion=72.0 kJ/mol; Corresponding Δfliquid = -242.02 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
130.29298.15Schaake, van Miltenburg, et al., 1982T = 80 to 355 K.; DH

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

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


Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Chemical Concepts
NIST MS number 160470

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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, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryHP-5MS2365.3Andriamaharavo, 201430. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min)
CapillaryDB-52380.Özel, Gögüs, et al., 2006Program: not specified

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5 MS2359.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 MS2359.Xu, Han, et al., 200930. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 15. K/min, 300. C @ 10. min
CapillaryMethyl Silicone2359.Vendramini and Trugo, 200050. m/0.25 mm/0.5 μm, H2, 40. C @ 0.5 min, 4. K/min; Tend: 260. C

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
Capillary 2380.Karimi, Farmany, et al., 2011Program: not specified
CapillaryZB-1 MS2366.Al-Reza, Rahman, et al., 200930. m/0.25 mm/0.25 μm, Helium; Program: 50 0C 3 0C/min -> 150 0C (10 min) 10 0C/min -> 250 0C

Lee's RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-5377.8Donnelly, Abdel-Hamid, et al., 199330. m/0.32 mm/0.25 μm, He, 40. C @ 3. min, 8. K/min, 285. C @ 29.5 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.

Adriaanse, Dekker, et al., 1965
Adriaanse, N.; Dekker, H.; Coops, J., Heats of combustion of normal saturated fatty acids and their methyl esters, Rec. Trav. Chim. Pays/Bas, 1965, 84, 393-407. [all data]

Schaake, van Miltenburg, et al., 1982
Schaake, R.C.F.; van Miltenburg, J.C.; De Kruif, C.G., Thermodynamic properties of the normal alkanoic acids. II. Molar heat capacities of seven even-numbered normal alkanoic acids, J. Chem. Thermodynam., 1982, 14, 771-778. [all data]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Özel, Gögüs, et al., 2006
Özel, M.Z.; Gögüs, F.; Lewis, A.C., Determination of Teucrium chamaedrys volatiles by using direct thermal desorption-comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry, J. Chromatogr. A, 2006, 1114, 1, 164-169, https://doi.org/10.1016/j.chroma.2006.02.036 . [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]

Vendramini and Trugo, 2000
Vendramini, A.L.; Trugo, L.C., Chemical composition of acerola fruit (Malpighia punicifolia L.) at three stages of maturity, Food Chem., 2000, 71, 2, 195-198, https://doi.org/10.1016/S0308-8146(00)00152-7 . [all data]

Karimi, Farmany, et al., 2011
Karimi, H.; Farmany, A.; Noorizadeh, H., Prediction of linear retention index of Teucrium chamaedrys volatiles in GCxGC-TOF/MS by linear model, World Appl. Sci. J., 2011, 15, 8, 1086-1088. [all data]

Al-Reza, Rahman, et al., 2009
Al-Reza, S.M.; Rahman, A.; Kang, S.C., Chemical composition and inhibitory effect of essentiasl oil and organic extracts of Cestrum nocturnum L. om food-borne pathogens, Int. J. Food Sci. Technol., 2009, 44, 6, 1176-1182, https://doi.org/10.1111/j.1365-2621.2009.01939.x . [all data]

Donnelly, Abdel-Hamid, et al., 1993
Donnelly, J.R.; Abdel-Hamid, M.S.; Jeter, J.L.; Gurka, D.F., Application of gas chromatographic retention properties to the identification of environmental contaminants, J. Chromatogr., 1993, 642, 1-2, 409-415, https://doi.org/10.1016/0021-9673(93)80106-I . [all data]


Notes

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