Pentacosanoic acid, methyl ester

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Phase change 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: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δvap33.9 ± 1.1kcal/molCGCChickos, Zhao, et al., 2004Based on data from 467. to 558. K.

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference
22.0332.2DSCChickos, Zhao, et al., 2004

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 NIST Mass Spectrometry Data Center
NIST MS number 333150

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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, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5MS2822.9Zhao C.X., Li, et al., 200630. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 80. C; Tend: 300. C
CapillaryDB-12813.Johnson, Urso, et al., 199730. m/0.2 mm/0.25 μm, 50. C @ 2. min, 5. K/min, 300. C @ 5. min

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-1MS2813.71Stransky, Zarevucka, et al., 200630. m/0.252 mm/0.25 μm, H2, 1. K/min; Tstart: 240. C; Tend: 340. C
PackedSE-302817.Horning, Casparrini, et al., 1969Gas Chrom P, 2. K/min; Column length: 3.7 m; Tstart: 145. C

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

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Column type Active phase I Reference Comment
CapillaryDB-1464.3Johnson, Urso, et al., 199730. m/0.2 mm/0.25 μm, 50. C @ 2. min, 5. K/min, 300. C @ 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.

Chickos, Zhao, et al., 2004
Chickos, James S.; Zhao, Hui; Nichols, Gary, The vaporization enthalpies and vapor pressures of fatty acid methyl esters C18, C21 to C23, and C25 to C29 by correlation -- gas chromatography, Thermochimica Acta, 2004, 424, 1-2, 111-121, https://doi.org/10.1016/j.tca.2004.05.020 . [all data]

Zhao C.X., Li, et al., 2006
Zhao C.X.; Li, X.N.; Liang Y.Z.; Fang H.Z.; Huang L.F.; Guo F.Q., Comparative analysis of chemical components of essential oils from different samples of Rhododendron with the help of chemometrics methods, Chemom. Intell. Lab. Syst., 2006, 82, 1-2, 218-228, https://doi.org/10.1016/j.chemolab.2005.08.008 . [all data]

Johnson, Urso, et al., 1997
Johnson, C.I.; Urso, A.; Geleta, L., Broad spectrum analysis of municipal and industrial effluents discharged into the Peace, Athabasca and Slave river basins: characterization of effluent samples, 1994 - Volume 1 of 2, Northern River Basins Study Project Report No. 121, Norther River Basins Study, Edmonton, Alberta, 1997, 27. [all data]

Stransky, Zarevucka, et al., 2006
Stransky, K.; Zarevucka, M.; Valterova, I.; Wimmer, Z., Gas chromatographic retention data of wax esters, J. Chromatogr. A, 2006, 1128, 1-2, 208-219, https://doi.org/10.1016/j.chroma.2006.06.035 . [all data]

Horning, Casparrini, et al., 1969
Horning, M.G.; Casparrini, G.; Horning, E.C., The use of gas phase analytical methods for the analysis of phospholipids, J. Chromatogr. Sci., 1969, 7, 5, 267-275, https://doi.org/10.1093/chromsci/7.5.267 . [all data]


Notes

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