4-tert-Butyltoluene
- Formula: C11H16
- Molecular weight: 148.2447
- IUPAC Standard InChIKey: QCWXDVFBZVHKLV-UHFFFAOYSA-N
- CAS Registry Number: 98-51-1
- 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: Benzene, 1-(1,1-dimethylethyl)-4-methyl-; Toluene, p-tert-butyl-; p-tert-Butyltoluene; 1-tert-Butyl-4-Methylbenzene; 1-Methyl-4-tert-butylbenzene; 4-tert-Butyl-1-Methylbenzene; 4-Methyl-tert-butylbenzene; Benzene, 1-methyl-4-tert-butyl-; p-Methyl-tert-butylbenzene; TBT; 4-t-Butyltoluene; 1-(1,1-Dimethylethyl)-4-methyl-benzene; p-t-Butyl toluene; NSC 6589
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Gas phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -13.6 ± 0.4 | kcal/mol | Ccb | Brown and Domash, 1956 | Unpublished results |
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 |
---|---|---|---|---|---|
Tboil | 464. ± 3. | K | AVG | N/A | Average of 12 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 222. ± 7. | K | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.5 ± 0.02 | kcal/mol | GS | Verevkin, Kozlova, et al., 2008 | Based on data from 279. to 323. K.; AC |
ΔvapH° | 12.5 ± 0.1 | kcal/mol | N/A | Verevkin, 1998 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.5 ± 0.1 | 296. | GS | Verevkin, 1998 | Based on data from 279. to 314. K.; AC |
11.7 | 357. | A | Stephenson and Malanowski, 1987 | Based on data from 342. to 465. K. See also Fel'dman, Savko, et al., 1973.; AC |
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)
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, UV/Visible spectrum, 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
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
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 | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 118836 |
UV/Visible 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.
Spectrum
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Additional Data
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Source | Kusakov, et al., 1963 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 20227 |
Instrument | unknown |
Melting point | - 52 |
Boiling point | 190 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Brown and Domash, 1956
Brown, H.C.; Domash, L.,
Steric effects in displacement reactions. XI. The heats of reaction of diborane with pyridine bases. Steric strains in homomorphs of o-t-butyltoluene and hemimellitene,
J. Am. Chem. Soc., 1956, 78, 5384-5386. [all data]
Verevkin, Kozlova, et al., 2008
Verevkin, Sergey P.; Kozlova, Svetlana A.; Emel'yanenko, Vladimir N.; Goodrich, Peter; Hardacre, Christopher,
Thermochemistry of Ionic Liquid-Catalyzed Reactions. Experimental and Theoretical Study of Chemical Equilibria of Isomerization and Transalkylation of tert -Butylbenzenes,
J. Phys. Chem. A, 2008, 112, 44, 11273-11282, https://doi.org/10.1021/jp806410x
. [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]
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]
Fel'dman, Savko, et al., 1973
Fel'dman, I.N.; Savko, V.V.; Mamai, U.I.; Finkel'shtein, M.F.,
Russ. J. Phys. Chem., 1973, 47, 1531. [all data]
Kusakov, et al., 1963
Kusakov, M.M., et al.,
Ultraviolet absorption spectra of aromatic Hydrocarbons, 1963, 65. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions 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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