Benzene, 1,3-bis(1-methylethyl)-
- Formula: C12H18
- Molecular weight: 162.2713
- IUPAC Standard InChIKey: UNEATYXSUBPPKP-UHFFFAOYSA-N
- CAS Registry Number: 99-62-7
- 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, m-diisopropyl-; m-Diisopropylbenzene; 1,3-Diisopropylbenzene; meta-Diisopropylbenzene; 3-Isopropylcumene; 1,3-bis(1-methylethyl)benzene; Benzene, 1,3-di-(1-methylethyl)
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Reaction thermochemistry data
Go To: Top, 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: 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
By formula: 2C9H12 = C6H6 + C12H18
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.37 ± 0.14 | kcal/mol | Eqk | Popov, Rozhnov, et al., 1974 | gas phase |
By formula: C12H18 = C12H18
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.0 ± 0.13 | kcal/mol | Eqk | Popov, Rozhnov, et al., 1974 | gas phase |
Gas Chromatography
Go To: Top, Reaction thermochemistry data, 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 100. | 1141. | Matisová, Kovacicová, et al., 1989 | He; Column length: 50. m; Column diameter: 0.20 mm |
Capillary | OV-101 | 100. | 1141. | Matisová, Rukríglová, et al., 1988 | H2; Column length: 278. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 100. | 1143. | Matisová, Rukríglová, et al., 1988 | H2; Column length: 278. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 100. | 1143. | Gerasimenko and Nabivach, 1982 | N2; Column length: 50. m; Column diameter: 0.30 mm |
Capillary | OV-101 | 120. | 1147. | Gerasimenko and Nabivach, 1982 | N2; Column length: 50. m; Column diameter: 0.30 mm |
Capillary | OV-101 | 140. | 1151. | Gerasimenko and Nabivach, 1982 | N2; Column length: 50. m; Column diameter: 0.30 mm |
Capillary | Squalane | 86. | 1116.3 | Macák, Nabivach, et al., 1982 | N2; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 96. | 1118.8 | Macák, Nabivach, et al., 1982 | N2; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 100. | 1142.7 | Gerasimenko, Kirilenko, et al., 1981 | N2; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | OV-101 | 120. | 1146.8 | Gerasimenko, Kirilenko, et al., 1981 | N2; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | OV-101 | 140. | 1150.7 | Gerasimenko, Kirilenko, et al., 1981 | N2; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | Squalane | 86. | 1116.7 | Nabivach, Bur'yan, et al., 1978 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 96. | 1118.8 | Nabivach, Bur'yan, et al., 1978 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 1120. | Engewald and Wennrich, 1976 | N2; Column length: 100. m; Column diameter: 0.23 mm |
Capillary | Squalane | 80. | 1115.13 | Soják and Rijks, 1976 | H2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | SE-30 | 65. | 1135.2 | Svob and Deur-Siftar, 1974 | He; Column length: 25.5 m; Column diameter: 0.5 mm |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 1139. | Hayes and Pitzer, 1982 | 110. 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
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH-100 | 1142.75 | Haagen-Smit Laboratory, 1997 | He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min) |
Capillary | Squalane | 1161. | Medvedovskaya, Tikhomirova, et al., 1997 | Program: not specified |
Capillary | Squalane | 1127. | Papazova and Pankova, 1975 | N2; Column length: 100. m; Column diameter: 0.25 mm; Program: not specified |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 100. | 1342.2 | Engewald and Wennrich, 1976 | N2; Column length: 100. m; Column diameter: 0.23 mm |
Capillary | Carbowax 20M | 90. | 1330.0 | Döring, Estel, et al., 1974 | Column length: 100. m; Column diameter: 0.2 mm |
Capillary | Carbowax 6000 | 90. | 1376. | Svob and Deur-Siftar, 1974 | He; Column length: 10. m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 1136.2 | Sun and Stremple, 2003 | 30. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 40. C; Tend: 325. C |
Capillary | Petrocol DH | 1141. | White, Hackett, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | OV-101 | 1139. | Hayes and Pitzer, 1981 | 108. 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
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1361. | Shimoda, Wu, et al., 1996 | 60. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 50. C; Tend: 230. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 100. | 1143. | Tian, 1993 | Column length: 50. m; Column diameter: 0.20 mm |
Capillary | OV-101 | 100. | 1143. | Tian, 1993 | Column length: 50. m; Column diameter: 0.20 mm |
Capillary | OV-101 | 120. | 1147. | Tian, 1993 | Column length: 50. m; Column diameter: 0.20 mm |
Capillary | OV-101 | 120. | 1147. | Tian, 1993 | Column length: 50. m; Column diameter: 0.20 mm |
Capillary | Squalane | 95.4 | 1113. | Sojak and Vigdergauz, 1978 | H2 |
Capillary | Squalane | 110. | 1122. | Papazova and Pankova, 1975 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 130. | 1127. | Papazova and Pankova, 1975 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH | 1141. | Supelco, 2012 | 100. 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
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 1142. | Xiuhua, Zhang, et al., 1996 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1135. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Normal alkane RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG-40M | 100. | 1362. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | PEG-40M | 100. | 1362. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | PEG-40M | 120. | 1370. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | PEG-40M | 140. | 1380. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | PEG-40M | 160. | 1389. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | PEG-40M | 80. | 1354. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | Carbowax 20M | 90. | 1330. | Sutter, Peterson, et al., 1997 |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1321. | Herain, MRAVEC, et al., 1991 | 70. C @ 21. min, 5. K/min, 150. C @ 999. min |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1331. | Ivanciuc, Ivanciuc, et al., 2001 | Program: not specified |
Capillary | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 1376. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
References
Go To: Top, Reaction thermochemistry data, 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]
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,
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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,
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. [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,
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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,
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Sutter, Peterson, et al., 1997
Sutter, J.M.; Peterson, T.A.; Jurs, P.C.,
Prediction of gas chromatographic retention indices of alkylbenzenes,
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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,
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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,
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. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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