2-Methylpentacosane

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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

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference Comment
107.2448.Dykyj, Svoboda, et al., 1999Based on data from 433. to 680. K.

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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryDB-1250.2564.Szafranek, Malinski, et al., 2001Ar; Column length: 30. m; Column diameter: 0.28 mm
CapillaryMethyl Silicone210.2562.Pomonis, Hakk, et al., 1989He; Column length: 12.5 m
CapillaryDexsil 300220.2560.Szafranek, Kusmierz, et al., 1982He; Column length: 30. m; Column diameter: 0.30 mm

Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryHP-5MS2562.4Andriamaharavo, 201430. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min)

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-12565.3Krkosova, Kubinec, et al., 2007100. m/0.32 mm/0.25 μm, Helium, 5. K/min, 310. C @ 5. min; Tstart: 30. C
CapillaryUltra-12564.Nelson and Charlet, 2003He, 4. K/min; Column length: 12.5 m; Column diameter: 0.2 mm; Tstart: 150. C; Tend: 320. C
CapillaryDB-12563.Katritzky, Chen, et al., 200030. m/0.32 mm/0.25 μm; Tstart: 60. C; Tend: 320. C

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

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Column type Active phase I Reference Comment
CapillaryPolydimethyl siloxane2563.Junkes, Castanho, et al., 2003Program: not specified

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.

Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R., Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]

Szafranek, Malinski, et al., 2001
Szafranek, B.; Malinski, E.; Nawrot, J.; Sosnowska, D.; Ruszkowska, M.; Pihlaja, K.; Trumpakaj, Z.; Szafranek, J., In Vitro effects of cuticular lipids of the aphids Sitobion avenae, Hyalopterus pruni and Brevicoryne brassicae on growth and sporulation of the Paecilomyces fumosoroseus and Beauveria bassiana, Arkivoc, 2001, 2001, 3, 81-94, https://doi.org/10.3998/ark.5550190.0002.311 . [all data]

Pomonis, Hakk, et al., 1989
Pomonis, J.G.; Hakk, H.; Fatland, C.L., Synthetic methyl- and dimethylalkanes. Kovats indices [13C]NMR and mass spectra of some methylpentacosanes and 2,X-dimethylheptacosanes, J. Chem. Ecol., 1989, 15, 9, 2319-2333. [all data]

Szafranek, Kusmierz, et al., 1982
Szafranek, J.; Kusmierz, J.; Czerwiec, W., Gas chromatographic-mass spectrometric investigations of high-boiling crude oil alkane fractions, J. Chromatogr., 1982, 245, 2, 219-228, https://doi.org/10.1016/S0021-9673(00)88591-X . [all data]

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

Krkosova, Kubinec, et al., 2007
Krkosova, Z.; Kubinec, R.; Addova, G.; Jurdakova, H.; Blasko, J.; Ostrovsky, I.; Sojak, L., Gas chromatographic - mass spectrometric characterization of monomethylalkanes from fuel diesel, Petroleum Coal, 2007, 49, 3, 51-62. [all data]

Nelson and Charlet, 2003
Nelson, D.R.; Charlet, L.D., Cuticular hydrocarbons of the sunflower beetle,Zygogramma exclamationis, Comp. Biochem. Physiol. B: Comp. Biochem., 2003, 135, 2, 273-284, https://doi.org/10.1016/S1096-4959(03)00080-0 . [all data]

Katritzky, Chen, et al., 2000
Katritzky, A.R.; Chen, K.; Maran, U.; Carlson, D.A., QSPR Correlation and predictions of GC retention indexes for methyl-branched hydrocarbons produced by insects, Anal. Chem., 2000, 72, 1, 101-109, https://doi.org/10.1021/ac990800w . [all data]

Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F., Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies, Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [all data]


Notes

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