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Benzene, octyl-

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Condensed phase thermochemistry 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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference
291.295.Tschamler, 1948

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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil534. ± 7.KAVGN/AAverage of 11 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus250. ± 30.KAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
67.4308.N/AKasehgari, Mokbel, et al., 1993Based on data from 293. - 462. K.; AC
63.1383.AStephenson and Malanowski, 1987Based on data from 368. - 400. K.; AC
66.2336.GSAllemand, Jose, et al., 1986Based on data from 316. - 399. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
29.96234.2Domalski and Hearing, 1996AC
29.957234.2Tschamler, 1948DH

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 compiled by: Coblentz Society, Inc.

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


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

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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 CONTINENTAL OIL CO., PONCA CITY, OKLA, USA
NIST MS number 34755

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
CapillaryDB-1140.1456.Beens, Tijssen, et al., 199810. m/0.25 mm/0.25 «mu»m, He
CapillaryOV-101145.1462.Grinberg, Tokarev, et al., 1984He; Column length: 50. m; Column diameter: 0.25 mm
CapillaryOV-101145.1462.Grinberg, Tokarev, et al., 1984He; Column length: 100. m; Column diameter: 0.25 mm
PackedSqualane95.41427.Soják, Janák, et al., 1977 

Kovats' RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-1011451.Hayes and Pitzer, 1982110. m/0.25 mm/0.20 «mu»m, He, 1. K/min; Tstart: 35. C; Tend: 200. C

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

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-51466.5Song, Lai, et al., 200330. m/0.25 mm/0.25 «mu»m, He, 4. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-51466.3Song, Lai, et al., 200330. m/0.25 mm/0.25 «mu»m, He, 40. C @ 5. min, 4. K/min; Tend: 310. C
CapillaryDB-51461.6Song, Lai, et al., 200330. m/0.25 mm/0.25 «mu»m, He, 2. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-51466.5Song, Lai, et al., 200330. m/0.25 mm/0.25 «mu»m, He, 4. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-51468.2Song, Lai, et al., 200330. m/0.25 mm/0.25 «mu»m, He, 6. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-11439.Beens, Tijssen, et al., 199810. m/0.25 mm/0.25 «mu»m, He, 2. K/min; Tstart: 30. C; Tend: 225. C
CapillaryOV-11455.2Gautzsch and Zinn, 19968. K/min; Tstart: 35. C; Tend: 300. C
CapillaryDB-51461.6Lai and Song, 199530. m/0.25 mm/0.25 «mu»m, He, 2. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-51466.5Lai and Song, 199530. m/0.25 mm/0.25 «mu»m, He, 4. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-51468.2Lai and Song, 199530. m/0.25 mm/0.25 «mu»m, He, 6. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-51466.5Lai and Song, 199530. m/0.25 mm/0.25 «mu»m, He, 4. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-51466.3Lai and Song, 199530. m/0.25 mm/0.25 «mu»m, He, 40. C @ 5. min, 4. K/min; Tend: 310. C
CapillaryDB-11456.Peng, Hua, et al., 199230. m/0.32 mm/1.5 «mu»m, 40. C @ 4. min, 8. K/min; Tend: 280. C
CapillaryPetrocol DH1454.White, Hackett, et al., 1992100. m/0.25 mm/0.5 «mu»m, He, 1. K/min; Tstart: 30. C; Tend: 220. C
CapillaryUltra-21480.3Akporhonor, le Vent, et al., 199025. m/0.2 mm/0.33 «mu»m, N2, 15. K/min; Tstart: 60.01 C
CapillaryUltra-21465.1Akporhonor, le Vent, et al., 199025. m/0.2 mm/0.33 «mu»m, N2, 2. K/min; Tstart: 60.01 C
CapillaryUltra-21474.2Akporhonor, le Vent, et al., 199025. m/0.2 mm/0.33 «mu»m, N2, 7. K/min; Tstart: 60.01 C
CapillaryUltra-21484.1Akporhonor, le Vent, et al., 199025. m/0.2 mm/0.33 «mu»m, N2, 15. K/min; Tstart: 120.01 C
CapillaryUltra-21471.7Akporhonor, le Vent, et al., 199025. m/0.2 mm/0.33 «mu»m, N2, 2. K/min; Tstart: 120.01 C
CapillaryUltra-21478.3Akporhonor, le Vent, et al., 199025. m/0.2 mm/0.33 «mu»m, N2, 7. K/min; Tstart: 120.01 C
CapillaryUltra-11448.08Haynes and Pitzer, 198550. m/0.22 mm/0.33 «mu»m, He, 1. K/min; Tstart: -30. C; Tend: 240. C
CapillaryUltra-11452.71Haynes and Pitzer, 198550. m/0.22 mm/0.33 «mu»m, He, 2. K/min; Tstart: -30. C; Tend: 240. C
CapillaryUltra-11455.83Haynes and Pitzer, 198550. m/0.22 mm/0.33 «mu»m, He, 3. K/min; Tstart: -30. C; Tend: 240. C
CapillaryUltra-21466.64Haynes and Pitzer, 198550. m/0.22 mm/0.33 «mu»m, He, 1. K/min; Tstart: -30. C; Tend: 240. C
CapillaryUltra-21471.90Haynes and Pitzer, 198550. m/0.22 mm/0.33 «mu»m, He, 2. K/min; Tstart: -30. C; Tend: 240. C
CapillaryUltra-21475.03Haynes and Pitzer, 198550. m/0.22 mm/0.33 «mu»m, He, 3. K/min; Tstart: -30. C; Tend: 240. C
CapillaryOV-1011451.Hayes and Pitzer, 1981108. m/0.25 mm/0.2 «mu»m, 1. K/min; Tstart: 35. C; Tend: 200. 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-11453.Peng, 200015. m/0.53 mm/1. «mu»m, He; Program: 40C(3min) => 8C/min => 200(1min) => 5C/min => 300C(25min)

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

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Column type Active phase I Reference Comment
CapillaryDB-Wax1746.Peng, 200015. m/0.53 mm/1. «mu»m, He, 40. C @ 3. min, 5. K/min, 220. C @ 30. min
CapillaryHP-Wax1741.Peng, 200015. m/0.53 mm/1. «mu»m, He, 40. C @ 3. min, 5. K/min, 220. C @ 30. min
CapillaryDB-Wax1721.Chung, Eiserich, et al., 1994He, 60. C @ 4. min, 3. K/min, 220. C @ 30. min; Column length: 60. m; Column diameter: 0.25 mm
CapillaryDB-Wax1715.Peng, Hua, et al., 199230. m/0.53 mm/1. «mu»m, 40. C @ 4. min, 8. K/min, 200. C @ 20. min

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryPetrocol DH1454.Supelco, 2012100. m/0.25 mm/0.50 «mu»m, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min

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

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Column type Active phase I Reference Comment
CapillaryMethyl Silicone1427.Bonchev, Mekenjan, et al., 1979Program: not specified

Normal alkane RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG-40M100.1709.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M100.1709.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M120.1723.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M140.1738.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M160.1752.Nesterov, Nesterova, et al., 2000Column length: 50. m

Lee's RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-5249.1Donnelly, Abdel-Hamid, et al., 199330. m/0.32 mm/0.25 «mu»m, He, 40. C @ 3. min, 8. K/min, 285. C @ 29.5 min

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, Notes

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

Tschamler, 1948
Tschamler, H., Uber binare flussige Mischungen I. Mischungswarment, Volumseffekte und Zustandsdiagramme von chlorex mit benzol und n-alkylbenzolen, Monatsh. Chem., 1948, 79, 162-177. [all data]

Kasehgari, Mokbel, et al., 1993
Kasehgari, H.; Mokbel, I.; Viton, C.; Jose, J., Vapor pressure of 11 alkylbenzenes in the range 10-3 -- 280 torr, correlation by equation of state, Fluid Phase Equilibria, 1993, 87, 1, 133-152, https://doi.org/10.1016/0378-3812(93)85022-E . [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]

Allemand, Jose, et al., 1986
Allemand, Nadine; Jose, Jacques; Merlin, J.C., Mesure des pressions de vapeur d'hydrocarbures C10 A C18n-alcanes etn-alkylbenzenes dans le domaine 3-1000 pascal, Thermochimica Acta, 1986, 105, 79-90, https://doi.org/10.1016/0040-6031(86)85225-X . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Beens, Tijssen, et al., 1998
Beens, J.; Tijssen, R.; Blomberg, J., Prediction of comprehensive two-dimensional gas chromatographic separations. A theoretical and practical exercise, J. Chromatogr. A, 1998, 822, 2, 233-251, https://doi.org/10.1016/S0021-9673(98)00649-9 . [all data]

Grinberg, Tokarev, et al., 1984
Grinberg, A.A.; Tokarev, M.I.; Bigdash, T.V.; Kogan, L.O.; Leont'eva, S.A., Special features of using Kovats retention indices in chromatomass spectrometric analysis, Zh. Anal. Khim., 1984, 39, 6, 909-911. [all data]

Soják, Janák, et al., 1977
Soják, L.; Janák, J.; Rijks, J.A., Capillary gas chromatography of alkylbenzenes. II. Correlations between the structures and methylene group increments and differences in retention indices of isomers, J. Chromatogr., 1977, 135, 1, 71-84, https://doi.org/10.1016/S0021-9673(00)86303-7 . [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]

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]

Gautzsch and Zinn, 1996
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]

Lai and Song, 1995
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]

Peng, Hua, et al., 1992
Peng, C.T.; Hua, R.L.; Maltby, D., Prediction of retention indexes. IV. Chain branching in alkylbenzene isomers with C10-13 alkyl chains identified in a scintillator solvent, J. Chromatogr., 1992, 589, 1-2, 231-239, https://doi.org/10.1016/0021-9673(92)80027-R . [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]

Akporhonor, le Vent, et al., 1990
Akporhonor, E.E.; le Vent, S.; Taylor, D.R., Calculation of programmed temperature gas chromatographic characteristics from isothermal data. III. Predicted retention indices and equivalent temperatures, J. Chromatogr., 1990, 504, 269-278, https://doi.org/10.1016/S0021-9673(01)89532-7 . [all data]

Haynes and Pitzer, 1985
Haynes, P.C., Jr.; Pitzer, E.W., Disengaging solutes in shale- and petroleum-derived jet fuels by altering GC programmed temperature rates, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1985, 8, 5, 230-242, https://doi.org/10.1002/jhrc.1240080504 . [all data]

Hayes and Pitzer, 1981
Hayes, P.C., Jr.; Pitzer, E.W., Kovats indices as a tool in characterizing hydrocarbon fuels in temperature programmed glass capillary gas chromatography. Part 1. Qualitative identification, Inhouse rpt. for Air Force Wright Aeronautical Labs., Air Force Wright Aeronautical Labs., Wright-Patterson AFB, Ohio, 1981, 75. [all data]

Peng, 2000
Peng, C.T., Prediction of retention indices. V. Influence of electronic effects and column polarity on retention index, J. Chromatogr. A, 2000, 903, 1-2, 117-143, https://doi.org/10.1016/S0021-9673(00)00901-8 . [all data]

Chung, Eiserich, et al., 1994
Chung, T.Y.; Eiserich, J.P.; Shibamoto, T., Volatile compounds produced from peanut oil heated with different amounts of cysteine, J. Agric. Food Chem., 1994, 42, 8, 1743-1746, https://doi.org/10.1021/jf00044a032 . [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]

Bonchev, Mekenjan, et al., 1979
Bonchev, D.; Mekenjan, Ov.; Protic, G.; Trinajstic, N., Application of Topological Indices to Gas Chromatographic Data: Calculation of the Retention Indices of Isomeric Alkylbenzenes, J. Chromatogr., 1979, 176, 2, 149-156, https://doi.org/10.1016/S0021-9673(00)85645-9 . [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]

Donnelly, Abdel-Hamid, et al., 1993
Donnelly, J.R.; Abdel-Hamid, M.S.; Jeter, J.L.; Gurka, D.F., Application of gas chromatographic retention properties to the identification of environmental contaminants, J. Chromatogr., 1993, 642, 1-2, 409-415, https://doi.org/10.1016/0021-9673(93)80106-I . [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, References