Benzene, 1,3-bis(1-methylethyl)-

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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-31.62kcal/molEqkPopov, Rozhnov, et al., 1974 

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

Quantity Value Units Method Reference Comment
Tboil476.4KN/AWeast and Grasselli, 1989BS
Tboil476.33KN/AMelpolder, Woodbridge, et al., 1948Uncertainty assigned by TRC = 2. K; TRC
Tboil476.2KN/ANewton, 1943Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Tfus210.02KN/AMelpolder, Woodbridge, et al., 1948Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Δvap13.4 ± 0.2kcal/molGSVerekin, 1998Based on data from 283. to 318. K.; AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
13.4 ± 0.2301.GSVerekin, 1998Based on data from 283. to 318. K.; AC
11.7402.AStephenson and Malanowski, 1987Based on data from 387. to 477. K.; 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:


Reaction 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

2Benzene, (1-methylethyl)- = Benzene + Benzene, 1,3-bis(1-methylethyl)-

By formula: 2C9H12 = C6H6 + C12H18

Quantity Value Units Method Reference Comment
Δr0.37 ± 0.14kcal/molEqkPopov, Rozhnov, et al., 1974gas phase

Benzene, 1,4-bis(1-methylethyl)- = Benzene, 1,3-bis(1-methylethyl)-

By formula: C12H18 = C12H18

Quantity Value Units Method Reference Comment
Δr0.0 ± 0.13kcal/molEqkPopov, Rozhnov, et al., 1974gas phase

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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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 Sadtler Research Labs Under US-EPA Contract
State gas

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


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 Japan AIST/NIMC Database- Spectrum MS-NW-5092
NIST MS number 232633

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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-101100.1141.Matisová, Kovacicová, et al., 1989He; Column length: 50. m; Column diameter: 0.20 mm
CapillaryOV-101100.1141.Matisová, Rukríglová, et al., 1988H2; Column length: 278. m; Column diameter: 0.25 mm
CapillaryOV-101100.1143.Matisová, Rukríglová, et al., 1988H2; Column length: 278. m; Column diameter: 0.25 mm
CapillaryOV-101100.1143.Gerasimenko and Nabivach, 1982N2; Column length: 50. m; Column diameter: 0.30 mm
CapillaryOV-101120.1147.Gerasimenko and Nabivach, 1982N2; Column length: 50. m; Column diameter: 0.30 mm
CapillaryOV-101140.1151.Gerasimenko and Nabivach, 1982N2; Column length: 50. m; Column diameter: 0.30 mm
CapillarySqualane86.1116.3Macák, Nabivach, et al., 1982N2; Column length: 50. m; Column diameter: 0.25 mm
CapillarySqualane96.1118.8Macák, Nabivach, et al., 1982N2; Column length: 50. m; Column diameter: 0.25 mm
CapillaryOV-101100.1142.7Gerasimenko, Kirilenko, et al., 1981N2; Column length: 50. m; Column diameter: 0.3 mm
CapillaryOV-101120.1146.8Gerasimenko, Kirilenko, et al., 1981N2; Column length: 50. m; Column diameter: 0.3 mm
CapillaryOV-101140.1150.7Gerasimenko, Kirilenko, et al., 1981N2; Column length: 50. m; Column diameter: 0.3 mm
CapillarySqualane86.1116.7Nabivach, Bur'yan, et al., 1978Column length: 50. m; Column diameter: 0.25 mm
CapillarySqualane96.1118.8Nabivach, Bur'yan, et al., 1978Column length: 50. m; Column diameter: 0.25 mm
CapillarySqualane100.1120.Engewald and Wennrich, 1976N2; Column length: 100. m; Column diameter: 0.23 mm
CapillarySqualane80.1115.13Soják and Rijks, 1976H2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySE-3065.1135.2Svob and Deur-Siftar, 1974He; Column length: 25.5 m; Column diameter: 0.5 mm

Kovats' RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-1011139.Hayes and Pitzer, 1982110. m/0.25 mm/0.20 μm, He, 1. K/min; Tstart: 35. C; Tend: 200. C

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

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Column type Active phase I Reference Comment
CapillaryPetrocol DH-1001142.75Haagen-Smit Laboratory, 1997He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min)
CapillarySqualane1161.Medvedovskaya, Tikhomirova, et al., 1997Program: not specified
CapillarySqualane1127.Papazova and Pankova, 1975N2; Column length: 100. m; Column diameter: 0.25 mm; Program: not specified

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryCarbowax 20M100.1342.2Engewald and Wennrich, 1976N2; Column length: 100. m; Column diameter: 0.23 mm
CapillaryCarbowax 20M90.1330.0Döring, Estel, et al., 1974Column length: 100. m; Column diameter: 0.2 mm
CapillaryCarbowax 600090.1376.Svob and Deur-Siftar, 1974He; Column length: 10. 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
CapillaryDB-11136.2Sun and Stremple, 200330. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 40. C; Tend: 325. C
CapillaryPetrocol DH1141.White, Hackett, et al., 1992100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C
CapillaryOV-1011139.Hayes and Pitzer, 1981108. m/0.25 mm/0.2 μm, 1. K/min; Tstart: 35. C; Tend: 200. C

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

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Column type Active phase I Reference Comment
CapillaryDB-Wax1361.Shimoda, Wu, et al., 199660. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 50. C; Tend: 230. C

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-101100.1143.Tian, 1993Column length: 50. m; Column diameter: 0.20 mm
CapillaryOV-101100.1143.Tian, 1993Column length: 50. m; Column diameter: 0.20 mm
CapillaryOV-101120.1147.Tian, 1993Column length: 50. m; Column diameter: 0.20 mm
CapillaryOV-101120.1147.Tian, 1993Column length: 50. m; Column diameter: 0.20 mm
CapillarySqualane95.41113.Sojak and Vigdergauz, 1978H2
CapillarySqualane110.1122.Papazova and Pankova, 1975N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane130.1127.Papazova and Pankova, 1975N2; Column length: 100. m; Column diameter: 0.25 mm

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryPetrocol DH1141.Supelco, 2012100. m/0.25 mm/0.50 μm, 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
CapillarySE-301142.Xiuhua, Zhang, et al., 1996Program: not specified
CapillaryOV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc.1135.Waggott and Davies, 1984Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified

Normal alkane RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG-40M100.1362.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M100.1362.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M120.1370.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M140.1380.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M160.1389.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M80.1354.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryCarbowax 20M90.1330.Sutter, Peterson, et al., 1997 

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1321.Herain, MRAVEC, et al., 199170. C @ 21. min, 5. K/min, 150. C @ 999. min

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryCarbowax 20M1331.Ivanciuc, Ivanciuc, et al., 2001Program: not specified
CapillaryCarbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc.1376.Waggott and Davies, 1984Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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.

Popov, Rozhnov, et al., 1974
Popov, V.E.; Rozhnov, A.M.; Satronov, V.S.; Volkova, A.G., Disproportionation equilibrium for isopropylbenzene, Neftekhimiya, 1974, 14, 364-367. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

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]

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

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-C1 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]

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]

Medvedovskaya, Tikhomirova, et al., 1997
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]

Papazova and Pankova, 1975
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]

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]

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]

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]

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]

Shimoda, Wu, et al., 1996
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]

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]

Sojak and Vigdergauz, 1978
Sojak, L.; Vigdergauz, M.S., Comparison of interpolation methods for the interpretation of retention data in gas chromatography, J. Chromatogr., 1978, 148, 1, 159-167, https://doi.org/10.1016/S0021-9673(00)99332-4 . [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]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [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]

Herain, MRAVEC, et al., 1991
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]

Ivanciuc, Ivanciuc, et al., 2001
Ivanciuc, O.; Ivanciuc, T.; Klein, D.J.; Seitz, W.A.; Balaban, A.T., Quantitative structure-retention relationships for gas chromatographic retention indices of alkylbenzenes with molecular graph descriptors, SAR QSAR Environ. Res., 2001, 11, 5-6, 419-452, https://doi.org/10.1080/10629360108035362 . [all data]


Notes

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