Benzene, 1-(1,1-dimethylethyl)-3,5-dimethyl-
- Formula: C12H18
- Molecular weight: 162.2713
- IUPAC Standard InChIKey: FZSPYHREEHYLCB-UHFFFAOYSA-N
- CAS Registry Number: 98-19-1
- 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: m-Xylene, 5-tert-butyl-; 1-tert-Butyl-3,5-dimethylbenzene; 1,3-Dimethyl-5-tert-butylbenzene; 5-tert-Butyl-m-xylene; 5-tert-Butyl-1,3-dimethylbenzene; 4-tert-Butyl-2,6-dimethylbenzene; Benzene, 5-tert-butyl-1,3-dimethyl-; 1-tert-Butyl-3,5-dimethylbezene; Benzene, 1,3-dimethyl-5-(1,1-dimethylethyl); NSC 11016; Benzene, 1,3-dimethyl-5-tert-butyl
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Phase change 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 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 |
---|---|---|---|---|---|
Tboil | 478.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 475. | K | N/A | American Tokyo Kasei, 1988 | BS |
Tboil | 482. | K | N/A | McCaulay, Lien, et al., 1954 | Uncertainty assigned by TRC = 1.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 254.9 | K | N/A | McCaulay, Lien, et al., 1954 | Uncertainty assigned by TRC = 1.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 56.6 ± 0.6 | kJ/mol | N/A | Verevkin, 1998 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
56.5 ± 0.6 | 301. | GS | Verevkin, 1998 | Based on data from 284. to 318. K.; AC |
59.8 | 268. | N/A | Kasehgari, Mokbel, et al., 1993 | Based on data from 253. to 443. K.; AC |
Gas Chromatography
Go To: Top, Phase change 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. | 1152. | Matisová, Kovacicová, et al., 1989 | He; Column length: 50. m; Column diameter: 0.20 mm |
Capillary | Squalane | 100. | 1151. | Engewald and Wennrich, 1976 | N2; Column length: 100. m; Column diameter: 0.23 mm |
Capillary | Squalane | 80. | 1146.85 | Soják and Rijks, 1976 | H2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | SE-30 | 65. | 1152.0 | 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 | 1163. | 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 | 1169.6 | 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) |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 100. | 1391.4 | Engewald and Wennrich, 1976 | N2; Column length: 100. m; Column diameter: 0.23 mm |
Capillary | Carbowax 6000 | 90. | 1430.8 | 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 | PONA | 1163.6 | Martos, Saraullo, et al., 1997 | 50. m/0.2 mm/0.5 μm, 35. C @ 0.5 min, 1. K/min, 220. C @ 8. min |
Capillary | PONA | 1164.0 | Martos, Saraullo, et al., 1997 | 50. m/0.2 mm/0.5 μm, 35. C @ 0.5 min, 1. K/min, 220. C @ 8. min |
Capillary | OV-1 | 1165.2 | Gautzsch and Zinn, 1996 | 8. K/min; Tstart: 35. C; Tend: 300. C |
Capillary | Petrocol DH | 1165. | 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 | 1163. | Hayes and Pitzer, 1981 | 108. m/0.25 mm/0.2 μm, 1. K/min; Tstart: 35. C; Tend: 200. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 140. | 1160. | Protic, Svob, et al., 1980 | He; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 95.4 | 1140. | Sojak and Vigdergauz, 1978 | H2 |
Capillary | Squalane | 130. | 1160. | 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 | 1169. | 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 | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1152. | 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 | Carbowax 20M | 90. | 1385. | Sutter, Peterson, et al., 1997 |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1385. | Ivanciuc, Ivanciuc, et al., 2001 | Program: not specified |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
American Tokyo Kasei, 1988
American Tokyo Kasei,
TCI American Organic Chemical 88/89 Catalog, American Tokyo Kasei, Portland, OR, 1988, 1610. [all data]
McCaulay, Lien, et al., 1954
McCaulay, D.A.; Lien, A.P.; Launer, P.J.,
J. Am. Chem. Soc., 1954, 76, 2354. [all data]
Verevkin, 1998
Verevkin, Sergey P.,
Thermochemical properties of branched alkylsubstituted benzenes,
The Journal of Chemical Thermodynamics, 1998, 30, 8, 1029-1040, https://doi.org/10.1006/jcht.1998.0370
. [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]
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]
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]
Martos, Saraullo, et al., 1997
Martos, P.A.; Saraullo, A.; Pawliszyn, J.,
Estimation of air/coating distribution coefficients for solid phase microextraction using retention indexes from linear temperature-programmed capillary gas chromatography. Application to the sampling and analysis of total petroleum hydrocarbons in air,
Anal. Chem., 1997, 69, 3, 402-408, https://doi.org/10.1021/ac960633p
. [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]
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]
Protic, Svob, et al., 1980
Protic, G.; Svob, V.; Deur-Siftar, D.,
Mass spectrometric and gas chromatographic data in hydrocarbon analyse,
Sci. Papers of the Prague Institute of Chem. Technol., 1980, D42, 139-147. [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]
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]
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]
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]
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]
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, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.