- Formula: C11H16O
- Molecular weight: 164.2441
- IUPAC Standard InChIKey:IKEHOXWJQXIQAG-UHFFFAOYSA-N
- CAS Registry Number: 2409-55-4
- Chemical structure:
This structure is also available as a 2d Mol fileor as a computed3d SD file
The 3d structure may be viewed usingJavaorJavascript. - Other names:p-Cresol, 2-tert-butyl-;o-tert-Butyl-p-cresol;2-tert-Butyl-p-Cresol;2-tert-Butyl-4-Methylphenol;4-Methyl-2-tert-butylphenol;1-Hydroxy-2-tert-butyl-4-methylbenzene;2-tert-Butyl-4-methyl-1-phenol;2-Terc.butyl-p-kresol;2-t-Butyl-p-cresol;2-t-Butyl-4-methylphenol;2-(1,1-Dimethylethyl)-4-methyl-phenol;2-tert-Butyl-4-cresol;4-Methyl-2-(1,1-dimethylethyl)phenol;4-Methyl-6-t-butylphenol;NSC 60301;2-(1,1'-dimethylethyl)-4-methylphenol
- Permanent link for this species. Use this link for bookmarking this speciesfor future reference.
- Information on this page:
- Gas phase thermochemistry data
- Phase change data
- Reaction thermochemistry data
- References
- Notes
- Other data available:
- IR Spectrum
- Mass spectrum (electron ionization)
- Gas Chromatography
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Gas phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, References, Notes
Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -218. | kJ/mol | Semi | Stewart, 2004 | |
ΔfH°gas | -207.0 ± 3.2 | kJ/mol | Eqk | Verevkin, Nesterova, et al., 1984 | ALS |
Phase change data
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References, Notes
Data compilation copyrightby 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 | 510.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 325.16 | K | N/A | Witschonke, 1954 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tfus | 325.45 | K | N/A | Witschonke, 1954 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 65.7 ± 0.3 | kJ/mol | GS | Verevkin, 1999 | Based on data from 327. - 358. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 82.9 ± 0.5 | kJ/mol | GS | Verevkin, 1999 | Based on data from 288. - 318. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
63.0 ± 0.3 | 343. | GS | Verevkin, 1999 | Based on data from 327. - 358. K.; AC |
58.9 | 400. | A | Stephenson and Malanowski, 1987 | Based on data from 385. - 517. K.; AC |
57.7 | 348. | N/A | Stage, Müller, et al., 1953 | Based on data from 343. - 507. K.; AC |
55.7 | 373. | N/A | Stage, Müller, et al., 1953 | Based on data from 343. - 507. K.; AC |
52.6 | 423. | N/A | Stage, Müller, et al., 1953 | Based on data from 343. - 507. K.; AC |
48.5 | 473. | N/A | Stage, Müller, et al., 1953 | Based on data from 343. - 507. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
343. - 505.8 | 5.54389 | 2635.051 | -30.066 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
82.6 ± 0.5 | 303. | GS | Verevkin, 1999 | Based on data from 288. - 318. K.; AC |
77.4 | 284. | A | Stephenson and Malanowski, 1987 | Based on data from 274. - 294. K. See also Aihara, 1960.; AC |
In addition to the Thermodynamics Research Center(TRC) data available from this site, much more physicaland chemical property data is available from thefollowing TRC products:
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- SRD 103b – Thermo Data Engine (TDE) for pure compounds,binary mixtures and chemical reactions
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- SRD 147 – Ionic Liquids Database
- SRD 156 – Clathrate Hydrate Physical Property Database
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, References, Notes
Data compilation copyrightby 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 thereaction search for this species. This page allows searchingof all reactions involving this species. A general reaction searchform is also available. Future versions of this site may rely onreaction search pages in place of the enumerated reactiondisplays seen below.
Individual Reactions
+ = 2
By formula: C7H8O+C15H24O = 2C11H16O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -9.7 ± 1.8 | kJ/mol | Eqk | Nesterova, Verevkin, et al., 1985 | liquid phase |
+ =
By formula: C7H8O+C4H8 = C11H16O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 62.7 ± 2.8 | kJ/mol | Eqk | Verevkin, Nesterova, et al., 1984 | gas phase |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved.
Stewart, 2004
Stewart, J.J.P.,Comparison of the accuracy of semiempirical and some DFT methods for predicting heats of formation,J. Mol. Model, 2004, 10, 1, 6-10, https://doi.org/10.1007/s00894-003-0157-6. [all data]
Verevkin, Nesterova, et al., 1984
Verevkin, S.P.; Nesterova, T.N.; Rozhnov, A.M.,The equilibrium in the dealkylation of o-t-butyl-p-cresol,Russ. J. Phys. Chem. (Engl. Transl.), 1984, 58, 284. [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]
Witschonke, 1954
Witschonke, C.R.,Freezing point and purity data for some organic compounds,Anal. Chem., 1954, 26, 562-4. [all data]
Verevkin, 1999
Verevkin, S.P.,Thermochemistry of phenols: quantification of theortho-,para-, andmeta-interactions in tert-alkyl substituted phenols,The Journal of Chemical Thermodynamics, 1999, 31, 5, 559-585, https://doi.org/10.1006/jcht.1998.0459. [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]
Stage, Müller, et al., 1953
Stage, H.; Müller, E.; Faldix, P.,Erdol u Kohle, 1953, 6, 375. [all data]
Stull, 1947
Stull, Daniel R.,Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022. [all data]
Aihara, 1960
Aihara, Ariyuki,Estimation of the Energy of Hydrogen Bonds Formed in Crystals. II. Phenols,Bull. Chem. Soc. Jpn., 1960, 33, 2, 194-200, https://doi.org/10.1246/bcsj.33.194. [all data]
Nesterova, Verevkin, et al., 1985
Nesterova, T.N.; Verevkin, S.P.; Malova, T.N.; Pilshchikov, V.A.,Study of an equilibrium of tert-alkylphenols (thermodynamic analysis of the alkylation of phenols by branched olefins),Zh. Prikl. Khim. (Leningrad), 1985, 58, 827-833. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation 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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