Phenol, 2-(1,1-dimethylethyl)-
- Formula: C10H14O
- Molecular weight: 150.2176
- IUPAC Standard InChIKey: WJQOZHYUIDYNHM-UHFFFAOYSA-N
- CAS Registry Number: 88-18-6
- 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: Phenol, o-tert-butyl-; o-tert-Butylphenol; 2-tert-Butylphenol; 2-t-Butylphenol; Phenol, 2-tert-butyl-; 2-(1,1-Dimethylethyl)-phenol
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Gas 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 |
---|---|---|---|---|---|
ΔfH°gas | -47.59 | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 |
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 |
---|---|---|---|---|---|
ΔfH°liquid | -66. | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1352.8 | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 | Corresponding ΔfHºliquid = -65.9 kcal/mol (simple calculation by NIST; no Washburn corrections) |
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 497.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 497.06 | K | N/A | Tsvetkov, Nazmutdinov, et al., 1986 | Uncertainty assigned by TRC = 0.01 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 267.53 | K | N/A | McDonald, Shrader, et al., 1959 | Uncertainty assigned by TRC = 0.05 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 15.1 ± 0.05 | kcal/mol | N/A | Verevkin, 1999 | AC |
ΔvapH° | 18.41 | kcal/mol | C | Bertholon, Giray, et al., 1971 | ALS |
ΔvapH° | 19.3 | kcal/mol | N/A | Bertholon, Giray, et al., 1971 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
15.0 ± 0.05 | 309. | GS | Verevkin, 1999 | Based on data from 289. to 329. K.; AC |
17.7 | 424. | EB | Nesterova, Nazmutdinov, et al., 1990 | Based on data from 409. to 467. K.; AC |
13.1 | 368. | A | Stephenson and Malanowski, 1987 | Based on data from 353. to 498. K.; AC |
12.6 | 424. | N/A | Tsvetkov, Nazmutdinov, et al., 1986 | Based on data from 409. to 465. K.; AC |
13.3 | 348. | N/A | Stage, Müller, et al., 1953 | Based on data from 330. to 507. K.; AC |
12.9 | 373. | N/A | Stage, Müller, et al., 1953 | Based on data from 330. to 507. K.; AC |
12.2 | 423. | N/A | Stage, Müller, et al., 1953 | Based on data from 330. to 507. K.; AC |
11.2 | 473. | N/A | Stage, Müller, et al., 1953 | Based on data from 330. to 507. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
328.26 to 497.23 | 4.47194 | 1928.57 | -65.966 | McDonald, Shrader, et al., 1959, 2 |
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 as indicated in comments:
B - John E. Bartmess
ALS - 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
C10H13O- + =
By formula: C10H13O- + H+ = C10H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 345.7 ± 2.2 | kcal/mol | G+TS | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 338.3 ± 2.0 | kcal/mol | IMRE | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale; B |
By formula: C18H30O + C10H14O = C14H22O + C14H22O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.03 ± 0.11 | kcal/mol | Eqk | Pil'shchikov, Nesterova, et al., 1981 | liquid phase; ALS |
By formula: C6H6O + C14H22O = C10H14O + C10H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -0.0 ± 0.9 | kcal/mol | Eqk | Pil'shchikov, Nesterova, et al., 1981 | liquid phase; ALS |
By formula: C6H6O + C14H22O = 2C10H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -3.05 ± 0.13 | kcal/mol | Eqk | Pil'shchikov, Nesterova, et al., 1981 | liquid phase; ALS |
By formula: C6H6O + C14H22O = C10H14O + C10H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.0 | kcal/mol | Eqk | Pil'shchikov, Nesterova, et al., 1981 | liquid phase; ALS |
By formula: C10H14O = C10H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.44 ± 0.19 | kcal/mol | Eqk | Pil'shchikov, Nesterova, et al., 1981 | liquid phase; ALS |
By formula: C10H14O = C10H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -4.04 ± 0.38 | kcal/mol | Eqk | Nesterova, Verevkin, et al., 1985 | liquid phase; ALS |
Gas phase ion energetics 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:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.10 ± 0.02 | PE | Maier and Turner, 1973 | LLK |
8.40 | PE | Cetinkaya, Lappert, et al., 1983 | Vertical value; LBLHLM |
De-protonation reactions
C10H13O- + =
By formula: C10H13O- + H+ = C10H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 345.7 ± 2.2 | kcal/mol | G+TS | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 338.3 ± 2.0 | kcal/mol | IMRE | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale; B |
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 |
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
View image of digitized spectrum (can be printed in landscape orientation).
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 | Japan AIST/NIMC Database- Spectrum MS-NW- 895 |
NIST MS number | 228360 |
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
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PS-255 | 150. | 1250. | Engewald, Billing, et al., 1988 | 50. m/0.30 mm/0.25 μm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 1249. | Gautzsch and Zinn, 1996 | 8. K/min; Tstart: 35. C; Tend: 300. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | VF-5MS | 1273.2 | Mjøs, Meier, et al., 2006 | 50. m/0.25 mm/0.25 μm, He; Program: 60C(2min) => 30C/min => 100C => 1C/min => |
Capillary | VF-5MS | 1273.5 | Mjøs, Meier, et al., 2006 | 50. m/0.25 mm/0.25 μm, He; Program: 60C(2min) => 30C/min => 100C => 2C/min => |
Capillary | VF-5MS | 1274.9 | Mjøs, Meier, et al., 2006 | 50. m/0.25 mm/0.25 μm, He; Program: 60C(2min) => 30C/min => 100C => 4C/min => |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Ultra-1 | 1247. | Okumura, 1991 | 25. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 80. C; Tend: 260. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 1249. | Peng, 1996 | 30. m/0.53 mm/1.5 μm; Program: 40 0C (4 min) 8 0C/min -> 200 0C (1 min) 5 0C/min -> 280 0C (20 min) |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 2161. | Peng, 1996 | 30. m/0.53 mm/1.0 μm; Program: 40 0C (4 min) 4 0C/min -> 200 0C (20 min) |
Capillary | DB-Wax | 2161. | Peng, Yang, et al., 1991 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bertholon, Giray, et al., 1971
Bertholon, G.; Giray, M.; Perrin, R.; Vincent-Falquet-Berny, M.F.,
No. 532. - Etude physicochimique des phenols. OX. - Ethanlpies de combustion et energies de resonance des alcoyl et aryphenols,
Bull. Soc. Chim. France, 1971, 3180-3187. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Tsvetkov, Nazmutdinov, et al., 1986
Tsvetkov, V.S.; Nazmutdinov, A.G.; Sharonov, K.S.; Rozhnov, A.M.,
Termodin. Org. Soedin., 1986, 71. [all data]
McDonald, Shrader, et al., 1959
McDonald, R.A.; Shrader, S.A.; Stull, D.R.,
Vapor Pressures and Freezing Points of 30 Organics,
J. Chem. Eng. Data, 1959, 4, 311. [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]
Nesterova, Nazmutdinov, et al., 1990
Nesterova, T.N.; Nazmutdinov, A.G.; Tsvetkov, V.S.; Rozhnov, A.M.; Roshchupkina, I. Yu,
Vapour pressures and enthalpies of vaporization of alkylphenols,
The Journal of Chemical Thermodynamics, 1990, 22, 4, 365-377, https://doi.org/10.1016/0021-9614(90)90122-7
. [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]
McDonald, Shrader, et al., 1959, 2
McDonald, R.A.; Shrader, S.A.; Stull, D.R.,
Vapor Pressures and Freezing Points of Thirty Pure Organic Compounds.,
J. Chem. Eng. Data, 1959, 4, 4, 311-313, https://doi.org/10.1021/je60004a009
. [all data]
Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W.,
Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities,
J. Am. Chem. Soc., 1981, 103, 4017. [all data]
Pil'shchikov, Nesterova, et al., 1981
Pil'shchikov, V.A.; Nesterova, T.N.; Rozhnov, A.M.,
Equilibrium in the system phenol-tert-butylphenols,
J. Appl. Chem. USSR, 1981, 54, 1765-1769. [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]
Maier and Turner, 1973
Maier, J.P.; Turner, D.W.,
Steric inhibition of resonance studied by molecular photoelectron spectroscopy Part 3. Anilines, Phenols and Related Compounds,
J. Chem. Soc. Faraday Trans. 2, 1973, 69, 521. [all data]
Cetinkaya, Lappert, et al., 1983
Cetinkaya, B.; Lappert, M.F.; Suffolk, R.J.,
Photoelectron spectra of some sterically hindered phenols and related compounds,
J. Chem. Res. Synop., 1983, 316. [all data]
Engewald, Billing, et al., 1988
Engewald, W.; Billing, U.; Topalova, I.; Petsev, N.,
Structure-retention correlations of alkylphenols in gas-liquid and gas-solid chromatography,
J. Chromatogr., 1988, 446, 71-77, https://doi.org/10.1016/S0021-9673(00)94419-4
. [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]
Mjøs, Meier, et al., 2006
Mjøs, S.A.; Meier, S.; Boitsov, S.,
Alkylphenol retention indices,
J. Chromatogr. A, 2006, 1123, 1, 98-105, https://doi.org/10.1016/j.chroma.2006.05.002
. [all data]
Okumura, 1991
Okumura, T.,
retention indices of environmental chemicals on methyl silicone capillary column,
Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333
. [all data]
Peng, 1996
Peng, C.T.,
Gas chromatographic identification of aromatic hydrocarbons
in Liquid Scintillation Spectrometry, Cook, G.T.; Harkness, D.D.; MacKenzie, A.B.; Miller, B.F.; Scott, E.M., ed(s)., 1996, 221-232. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, NIST Subscription Links, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction 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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