2,4-Di-tert-butylphenol
- Formula: C14H22O
- Molecular weight: 206.3239
- IUPAC Standard InChIKey: ICKWICRCANNIBI-UHFFFAOYSA-N
- CAS Registry Number: 96-76-4
- 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, 2,4-bis(1,1-dimethylethyl)-; Phenol, 2,4-di-tert-butyl-; 2,4-di-t-Butylphenol; 1-Hydroxy-2,4-di-tert-butylbenzene; Antioxidant No. 33; Prodox 146; Prodox 146A-85X; 2,4-Bis(1,1-dimethylethyl)phenol; 2,4-Bis(tert-butyl)phenol; NSC 174502; 2,4-tert-butylphenol; 2,4-bis(1,1'-dimethylethyl)phenol
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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 | -69.4 | 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°solid | -95. | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1973. | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 | Corresponding ΔfHºsolid = -95. 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
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 | 538.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 536.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 17.3 ± 0.1 | kcal/mol | N/A | Verevkin, 1999 | AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 22.2 ± 0.67 | kcal/mol | C | Ribeiro da Silva, Matos, et al., 1999 | AC |
ΔsubH° | 20.7 ± 0.07 | kcal/mol | N/A | Verevkin, 1999 | AC |
ΔsubH° | 25.60 | kcal/mol | C | Bertholon, Giray, et al., 1971 | ALS |
ΔsubH° | 26.29 | kcal/mol | N/A | Bertholon, Giray, et al., 1971 | DRB |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
419.2 | 0.026 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
16.5 ± 0.1 | 350. | GS | Verevkin, 1999 | Based on data from 333. to 368. K.; AC |
14.4 | 418. | A | Stephenson and Malanowski, 1987 | Based on data from 403. to 537. 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 | Comment |
---|---|---|---|---|---|
357.7 to 533.9 | 5.49012 | 2821.466 | -20.563 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
20.6 ± 0.07 | 308. | GS | Verevkin, 1999 | Based on data from 288. to 327. K.; AC |
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 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: 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 |
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 |
By formula: C18H30O + C10H14O = 2C14H22O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -2.96 ± 0.47 | kcal/mol | Eqk | Pil'shchikov, Nesterova, et al., 1981 | liquid phase |
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, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR 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
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
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-1860 |
NIST MS number | 228966 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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]
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]
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]
Ribeiro da Silva, Matos, et al., 1999
Ribeiro da Silva, M.A.V.; Matos, M.A.R.; Morais, V.M.F.; Miranda, M.S.,
Thermochemical and Theoretical Study of tert -Butyl and Di- tert -butylphenol Isomers,
J. Org. Chem., 1999, 64, 24, 8816-8820, https://doi.org/10.1021/jo990801o
. [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]
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]
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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid 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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