Benzene, 1-ethyl-4-(1-methylethyl)-

• Formula: C₁₁H₁₆
• Molecular weight: 148.2447
• IUPAC Standard InChI: InChI=1S/C11H16/c1-4-10-5-7-11(8-6-10)9(2)3/h5-9H,4H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: GUUDUUDWUWUTPD-UHFFFAOYSA-N Copy
• CAS Registry Number: 4218-48-8
• 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: Cumene, p-ethyl-; 1-Ethyl-4-isopropylbenzene
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• Information on this page:
  • Phase change data
  • IR Spectrum
  • 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

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas; HP-GC/MS/IRD

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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Normal alkane RI, non-polar column, isothermal

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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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Normal alkane RI, polar column, isothermal

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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.

Wallach, 1918
Wallach, O., Justus Liebigs Ann. Chem., 1918, 414, 195. [all data]

Wallach, 1915
Wallach, O., Nachr. Ges. Wiss. Goettingen, Math.-Phys. Kl., 1915, 1915, 1. [all data]

Widman, 1891
Widman, O., Chem. Ber., 1891, 24, 456. [all data]

Becke, 1890
Becke, Ber. Dtsch. Chem. Ges., 1890, 23, 3191. [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Zhang, Li, et al., 1992
Zhang, M.J.; Li, S.D.; Chen, B.J., Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions, Chromatographia, 1992, 33, 3/4, 138-146, https://doi.org/10.1007/BF02275894 . [all data]

Matisová, Kovacicová, et al., 1989
Matisová, E.; Kovacicová, E.; Ha, P.T.; Kolek, E.; Engewald, W., Identification of alkylbenzenes up to C₁₂ by capillary gas chromatography-mass spectrometry. II. Retention indices on OV-101 columns and retention-molecular structure correlations, J. Chromatogr., 1989, 475, 2, 113-123, https://doi.org/10.1016/S0021-9673(01)89667-9 . [all data]

Gerasimenko and Nabivach, 1982
Gerasimenko, V.A.; Nabivach, V.M., Relationship between molecular structure and gas chromatographic retention of alkylbenzenes C₈-C_{1 2} on polydimethylsiloxane, Zh. Anal. Khim., 1982, 37, 110-116. [all data]

Macák, Nabivach, et al., 1982
Macák, J.; Nabivach, V.; Buryan, P.; Sindler, S., Dependence of retention indices of alkylbenzenes on their molecular structure, J. Chromatogr., 1982, 234, 2, 285-302, https://doi.org/10.1016/S0021-9673(00)81867-1 . [all data]

Gerasimenko, Kirilenko, et al., 1981
Gerasimenko, V.A.; Kirilenko, A.V.; Nabivach, V.M., Capillary gas chromatography of aromatic compounds found in coal tar fractions, J. Chromatogr., 1981, 208, 1, 9-16, https://doi.org/10.1016/S0021-9673(00)87953-4 . [all data]

Nabivach, Bur'yan, et al., 1978
Nabivach, V.M.; Bur'yan, P.; Matsak, I., Retention indices of aromatic hydrocarbons on a squalane capillary column, Zh. Anal. Khim., 1978, 33, 7, 1108-1113. [all data]

Haagen-Smit Laboratory, 1997
Haagen-Smit Laboratory, Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22. [all data]

Döring, Estel, et al., 1974
Döring, C.E.; Estel, D.; Fischer, R., Kapillar-gaschromatographische Charakterisierung von C₁₀-bis C₁₂-Aromaten, J. Prakt. Chem., 1974, 316, 1, 1-12, https://doi.org/10.1002/prac.19743160102 . [all data]

Tian, 1993
Tian, S., Analysis of the tower bottom oil of dimethylbenzene rectifying tower and C9 aromatic hydrocarbon fraction by capillary gas chromatography, Chin. J. Chromatogr., 1993, 11, 4, 202-206. [all data]

Supelco, 2012
Supelco, CatalogNo. 24160-U, Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]

Xiuhua, Zhang, et al., 1996
Xiuhua, Zh.; Zhang, L.; Che, X., Prediction of the Kovats retention indexes of polysubstituted alkylbenzenes, Chin. J. Chromatogr., 1996, 14, 4, 244-248. [all data]

Matisová, Juranyiová, et al., 1991
Matisová, E.; Juranyiová, E.; Kurán, P.; Brandsteterová, E.; Kocan, A.; Holotík, S., Analysis of multicomponent mixtures by high-resolution capillary gas chromatography and combined gas chromatography-mass spectrometry. I. Aromatics in a hydrocarbon matrix, J. Chromatogr., 1991, 552, 301-312, https://doi.org/10.1016/S0021-9673(01)95946-1 . [all data]

Nesterov, Nesterova, et al., 2000
Nesterov, I.A.; Nesterova, T.N.; Pimerzin, A.A.; Tsvetkov, V.S., Thermodynamics of alkylbenzene sorption and evaporation. IV. Enthalpies of evaporation and thermodynamics chracteristics of sorption by stationary phases OV-101 and PEG-40M, Izvestia vysshikh uchebnykh zavedenii. Khimia i khimicheskaia tekhnologia (Chemistry and chemical technology), 2000, 43, 4, 39-45. [all data]

Sutter, Peterson, et al., 1997
Sutter, J.M.; Peterson, T.A.; Jurs, P.C., Prediction of gas chromatographic retention indices of alkylbenzenes, Anal. Chim. Acta., 1997, 342, 2-3, 113-122, https://doi.org/10.1016/S0003-2670(96)00578-8 . [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔvapH	Enthalpy of vaporization

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