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

• Formula: C₁₂H₁₈
• Molecular weight: 162.2713
• IUPAC Standard InChI: InChI=1S/C12H18/c1-9(2)11-5-7-12(8-6-11)10(3)4/h5-10H,1-4H3 Copy

  
• IUPAC Standard InChIKey: SPPWGCYEYAMHDT-UHFFFAOYSA-N Copy
• CAS Registry Number: 100-18-5
• 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: Benzene, p-diisopropyl-; p-Diisopropylbenzene; 1,4-Diisopropylbenzene; 1,4-Bis(1-methylethyl)benzene; 4-Isopropylcumene; Benzene, 1,4-di-(1-methylethyl); Benzene, 1,4-diisopropyl-
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₁₂H₁₈⁺ (ion structure unspecified)

Ionization energy determinations

IR Spectrum

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References, Notes

Data compiled by: Coblentz Society, Inc.

• LIQUID; PERKIN-ELMER; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

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

• gas

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, temperature ramp

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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, polar column, temperature ramp

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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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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Weast and Grasselli, 1989
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Melpolder, Woodbridge, et al., 1948
Melpolder, F.W.; Woodbridge, J.E.; Headington, C.E., The isolation and physical properties of the diisopropyl- benzenes, J. Am. Chem. Soc., 1948, 70, 935-9. [all data]

Newton, 1943
Newton, A., Polyisopropylbenzenes: I preparation and properties of two di-, two tri-, and one tetra-isopropylbenzene, J. Am. Chem. Soc., 1943, 65, 320-3. [all data]

Toussaint and Hennion, 1940
Toussaint, N.F.; Hennion, G.F., Alkylation of Benzene with Alcohols, Boron Fluoride, and Assistants, J. Am. Chem. Soc., 1940, 62, 1145. [all data]

O'Connor and Sowa, 1938
O'Connor, M.J.; Sowa, F.J., Organic Reactions with Boron Fluoride XVIII. The Reaction of ethers with Benzene, J. Am. Chem. Soc., 1938, 60, 125. [all data]

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McDonald, R.A.; Shrader, S.A.; Stull, D.R., Vapor Pressures and Freezing Points of 30 Organics, J. Chem. Eng. Data, 1959, 4, 311. [all data]

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Streiff, A.J.; Hulme, A.R.; Cowie, P.A.; Krouskop, N.C.; Rossini, F.D., Purification, Purity, and Freezing Points of Sixty-four American Petroleum Institute Standard and Research Hydrocarbons, Anal. Chem., 1955, 27, 411. [all data]

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Verekin, 1998
Verekin, S.P., Thermochemical properties of isopropylbenzenes, Thermochim. Acta, 1998, 316, 131-136. [all data]

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Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A., Thermodynamic Properties and Ideal-Gas Enthalpies of Formation for 1,4-Diisopropylbenzene, 1,2,4,5-Tetraisopropylbenzene, Cyclohexanone Oxime, Dimethyl Malonate, Glutaric Acid, and Pimelic Acid, J. Chem. Eng. Data, 2002, 47, 4, 725-739, https://doi.org/10.1021/je010088b . [all data]

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McDonald, Shrader, et al., 1959, 2
McDonald, R.A.; Shrader, S.A.; Stull, D.R., Vapor Pressures and Freezing Points of Thirty Pure Organic Compounds., J. Chem. Eng. Data, 1959, 4, 4, 311-313, https://doi.org/10.1021/je60004a009 . [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Bock, Kaim, et al., 1978
Bock, H.; Kaim, W.; Rohwer, H.E., Die hyperkonjugative Stabilisierung von p-Xylol-Radikalkationen durch (H₃C)₃Si-Substituenten, Chem. Ber., 1978, 111, 3573. [all data]

Vickers, Kuhn, et al., 2003
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Kuhn, 2001
Kuhn, E.R., Selectivity vs. polarity: the fundamentals of chromatographic separation, J. Sep. Sci., 2001, 24, 6, 473-476, https://doi.org/10.1002/1615-9314(20010601)24:6<473::AID-JSSC473>3.0.CO;2-Y . [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]

Matisová, Rukríglová, et al., 1988
Matisová, E.; Rukríglová, M.; Krupcík, J.; Kovacicová, E.; Holotík, S., Identification of alkylbenzenes up to C₁₂ by capillary gas chromatography and combined gas chromatography-mass spectrometry. I. OV-101 as stationary phase, J. Chromatogr., 1988, 455, 301-309, https://doi.org/10.1016/S0021-9673(01)82129-4 . [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]

Engewald and Wennrich, 1976
Engewald, W.; Wennrich, L., Molekülstruktur und Retentionsverhalten. VIII. Zum Retentionsverhalten höherer Alkylbenzole bei der Gas-Verteilungs-Chromatographie, Chromatographia, 1976, 9, 11, 540-547, https://doi.org/10.1007/BF02275960 . [all data]

Soják and Rijks, 1976
Soják, L.; Rijks, J.A., Capillary gas chromatography of alkylbenzenes. I. Some problems encountered with the precision of the retention indcies of alkylbenzenes, J. Chromatogr., 1976, 119, 505-521, https://doi.org/10.1016/S0021-9673(00)86812-0 . [all data]

Svob and Deur-Siftar, 1974
Svob, V.; Deur-Siftar, D., Kovats Retention Indices in the Identification of Alkylbenzene Degradation Products, J. Chromatogr., 1974, 91, 677-689, https://doi.org/10.1016/S0021-9673(01)97947-6 . [all data]

Hayes and Pitzer, 1982
Hayes, P.C., Jr.; Pitzer, E.W., Characterizing petroleum- and shale-derived jet fuel distillates via temperature-programmed Kováts indices, J. Chromatogr., 1982, 253, 179-198, https://doi.org/10.1016/S0021-9673(01)88376-X . [all data]

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Haagen-Smit Laboratory, 1997
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Medvedovskaya, I.I.; Tikhomirova, S.V.; Krasavina, T.D.; Gubkina, L.N., Comparison of results of chromatographic identification of complex mixtures of organic compounds, Proc. Omsk. Univ., 1997, 4, 34-36. [all data]

Song, Lai, et al., 2003
Song, C.; Lai, W.-C.; Madhusudan Reddy, K.; Wei, B., Chapter 7. Temperature-programmed retention indices for GC and GC-MS of hydrocarbon fuels and simulated distillation GC of heavy oils in Analytical advances for hydrocarbon research, Hsu,C.S., ed(s)., Kluwer Academic/Plenum Publishers, New York, 2003, 147-193. [all data]

Sun and Stremple, 2003
Sun, G.; Stremple, P., Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003, retrieved from http://www.chem.agilent.com/cag/cabu/pdf/b-0279.pdf. [all data]

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Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946 . [all data]

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Lai, W.-C.; Song, C., Temperature-programmed retention indices for g.c. and g.c.-m.s. analysis of coal- and petroleum-derived liquid fuels, Fuel, 1995, 74, 10, 1436-1451, https://doi.org/10.1016/0016-2361(95)00108-H . [all data]

White, Hackett, et al., 1992
White, C.M.; Hackett, J.; Anderson, R.R.; Kail, S.; Spock, P.S., Linear temperature programmed retention indices of gasoline range hydrocarbons and chlorinated hydrocarbons on cross-linked polydimethylsiloxane, J. Hi. Res. Chromatogr., 1992, 15, 2, 105-120, https://doi.org/10.1002/jhrc.1240150211 . [all data]

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Shimoda, M.; Wu, Y.; Osajima, Y., Aroma compounds from aqueous solution of Haze (Rhus succedanea) honey determined by adsorptive column chromatography, J. Agric. Food Chem., 1996, 44, 12, 3913-3918, https://doi.org/10.1021/jf9601168 . [all data]

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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]

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Papazova, D.I.; Pankova, M.C., Identification of individual aromatic hydrocarbons in kerosene fraction (b.p. 150-250 °), J. Chromatogr., 1975, 105, 2, 411-414, https://doi.org/10.1016/S0021-9673(01)82276-7 . [all data]

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Herain, J.; MRAVEC, D.; SCHNIERER, A., identification of the components of the reaction mixtures from transalkylation of the waste fraction of diisopropylbenzenes by capillary GC and GC-MS, Chem. Listy, 1991, 85, 5, 535-538. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, References

• Symbols used in this document:
  

  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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