Heneicosane, 3-methyl-

• Formula: C₂₂H₄₆
• Molecular weight: 310.6006
• IUPAC Standard InChI: InChI=1S/C22H46/c1-4-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22(3)5-2/h22H,4-21H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: OSJUENOXPFOHLF-UHFFFAOYSA-N Copy
• CAS Registry Number: 6418-47-9
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: 3-Methylheneicosane; 3-Methylhenicosane
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• Information on this page:
  • Phase change data
  • Mass spectrum (electron ionization)
  • 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

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

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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Kovats' RI, non-polar column, custom temperature program

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Kovats' RI, polar column, isothermal

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

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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.

Terres, Gebert, et al., 1954
Terres, E.; Gebert, F.; Fischer, D.; Modak, G., Brennst.-Chem., 1954, 35, 263-9. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

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]

Terres, Brinkmann, et al., 1959
Terres, E.; Brinkmann, L.; Fischer, D.; Hüllstrung, D.; Loz, W.; Weisbrod, G., Brennst.-Chem., 1959, 40, 279. [all data]

Kusmierz, Malinski, et al., 1985
Kusmierz, J.; Malinski, E.; Czerwiec, W.; Szafranek, J., Kováts retention indices of high-molecular-weight monomethyl-, cyclopentyl-, cyclohexyl- and phenylalkanes, J. Chromatogr., 1985, 331, 219-228, https://doi.org/10.1016/0021-9673(85)80027-3 . [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]

Kenig, Simons, et al., 2005
Kenig, F.; Simons, D.-J.H.; Crich, D.; Cowen, J.P.; Ventura, G.T.; Rehbein-Khalily, T., Structure and distribution of branched aliphatic alkanes with quaternary carbon atoms in Cenomanian and Turonian black shales of Pasquia Hills (Saskatchewan, Canada), Org. Geochem., 2005, 36, 1, 117-138, https://doi.org/10.1016/j.orggeochem.2004.06.014 . [all data]

Khorasheh, Gray, et al., 1989
Khorasheh, F.; Gray, M.R.; Selucky, M.L., Correlation for Kováts retention index of C₉-C₂₆ monoalkyl and polymethyl alkanes and alkenes, J. Chromatogr., 1989, 481, 1-16, https://doi.org/10.1016/S0021-9673(01)96747-0 . [all data]

Zaikin and Borisov, 2002
Zaikin, V.G.; Borisov, R.S., Chromatographic-mass spectrometric analysis of Fishcer-Tropsch synthesis products, J. Anal. Chem. USSR (Engl. Transl.), 2002, 57, 6, 544-551. [all data]

Steiger, Haberer, et al., 2011
Steiger, S.; Haberer, W.; Muller, J.K., Social environment determines degree of chemical signalling (Supplemented matherials), Biol. Lett., 2011, 7, 6, 822-824, https://doi.org/10.1098/rsbl.2011.0457 . [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]

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]

Steiger, Peschke, et al., 2007
Steiger, S.; Peschke, K.; Francke, W.; Muller, J.K., The smell of parents: breeding status influences cuticular hydrocarbon pattern in the burying beetle Nicrophorus vespilloides, Proc. Roy. Soc. B, 2007, 274, 1622, 2211-2220, https://doi.org/10.1098/rspb.2007.0656 . [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]

Petrov, 1984
Petrov, A.A., Hydrocarbons of petroleum, Nauka (publishing house), Moscow, 1984, 263. [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔvapH	Enthalpy of vaporization

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