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Octadecane, 2-methyl-

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Phase change data

Go To: Top, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus284.4KN/ATerres, Gebert, et al., 1954Uncertainty assigned by TRC = 1.5 K; TRC
Tfus286.0KN/ASorensen and Sorensen, 1948Uncertainty assigned by TRC = 2. K; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
67.5466.AStephenson and Malanowski, 1987Based on data from 451. - 595. K. See also Dykyj, Svoboda, et al., 1999 and Terres, Brinkmann, et al., 1959.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


IR Spectrum

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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

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 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
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Phase change data, IR Spectrum, Gas Chromatography, References, Notes

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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Mass 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, 1990.
NIST MS number 114071

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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
CapillaryOV-101180.1864.Kusmierz, Malinski, et al., 1985Column length: 22. m; Column diameter: 0.3 mm
CapillaryApiezon L180.1860.4Kusmierz, Malinski, et al., 1985He; Column length: 20. m; Column diameter: 0.3 mm
CapillarySE-52180.1863.2Kusmierz, Malinski, et al., 1985He; Column length: 40. m; Column diameter: 0.3 mm

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryCarbowax 20M150.1861.7Kusmierz, Malinski, et al., 1985He; Column length: 30. m; Column diameter: 0.25 mm

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

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Column type Active phase I Reference Comment
CapillaryCross-Linked Methylsilicone1864.Khorasheh, Gray, et al., 19895. K/min; Tstart: 40. C; Tend: 300. C

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

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Column type Active phase I Reference Comment
CapillaryDB-51867.Zaikin and Borisov, 2002He; Column length: 30. m; Column diameter: 0.25 mm; Program: 30C => 5K/min=120C => 10C/min => 270C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-11865.3Krkosova, Kubinec, et al., 2007100. m/0.32 mm/0.25 «mu»m, Helium, 5. K/min, 310. C @ 5. min; Tstart: 30. C

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

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Column type Active phase I Reference Comment
CapillaryHP-51887.Baroni, Nores, et al., 200626. m/0.2 mm/0.25 «mu»m, He; Program: 60C(5min) => 6C/min => 200C => 15C/min => 250C(5min)
CapillarySqualane1860.Petrov, 1984Program: not specified

References

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes

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]

Sorensen and Sorensen, 1948
Sorensen, J.S.; Sorensen, N.A., Pristane II. The Methyloctadecanes, Acta Chem. Scand., 1948, 2, 166. [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]

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]

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]

Baroni, Nores, et al., 2006
Baroni, M.V.; Nores, M.L.; Diaz, M.D.P.; Chiabrando, G.A.; Fassano, J.P.; Costa, C.; Wunderlin, D.A., Determination of Volatile Organic Compound Patterns Characteristic of Five Unifloral Honey by Solid-Phase Microextraction-Gas Chromatography-Mass Spectrometry Coupled to Chemometrics, J. Agric. Food Chem., 2006, 54, 19, 7235-7241, https://doi.org/10.1021/jf061080e . [all data]

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


Notes

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References