2-Methylpentacosane

• Formula: C₂₆H₅₄
• Molecular weight: 366.7070
• IUPAC Standard InChI: InChI=1S/C26H54/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26(2)3/h26H,4-25H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: ZRNSSRODJSSVEJ-UHFFFAOYSA-N Copy
• CAS Registry Number: 629-87-8
• 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.
• Other names: Pentacosane, 2-methyl-
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• Information on this page:
  • Phase change data
  • Gas Chromatography
  • References
  • Notes
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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

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

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Normal alkane RI, non-polar column, temperature ramp

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

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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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• Symbols used in this document:
  

  ΔvapH

  Enthalpy of vaporization

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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