Phenol, 2-(1-methylethyl)-
- Formula: C9H12O
- Molecular weight: 136.1910
- IUPAC Standard InChIKey: CRBJBYGJVIBWIY-UHFFFAOYSA-N
- CAS Registry Number: 88-69-7
- 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-isopropyl-; o-Isopropylphenol; 2-Isopropylphenol; 2-(1-Methylethyl)phenol; o-Cumenol; Isopropylphenol, ortho; 1-Hydroxy-2-isopropylbenzene; Prodox 131; o-Hydroxycumene; NSC 5103
- 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, Reaction thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 487. ± 2. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 290.00 | K | N/A | Bertholon, 1967 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 288.65 | K | N/A | Karr, 1957 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 288.65 | K | N/A | von Terres, Gebert, et al., 1955 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 288.65 | K | N/A | Stull, 1947 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 17.45 | kcal/mol | C | Bertholon, Giray, et al., 1971 | see Bertholon, 1967, 2; ALS |
ΔvapH° | 16.4 | kcal/mol | N/A | Bertholon, Giray, et al., 1971 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
15.2 | 390. | EB | Nesterova, Nazmutdinov, et al., 1990 | Based on data from 375. to 493. K.; AC |
13.2 | 385. | A | Stephenson and Malanowski, 1987 | Based on data from 370. to 489. K.; AC |
13.4 | 390. | N/A | Tsvetkov, Nazmutdinov, et al., 1986 | Based on data from 375. to 493. K.; AC |
13.7 | 350. | N/A | Stull, 1947, 2 | Based on data from 335. to 501. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
369.8 to 487.7 | 5.65842 | 2657.919 | -17.436 | von Terres, Gebert, et al., 1955, 2 | Coefficents calculated by NIST from author's data. |
Reaction thermochemistry data
Go To: Top, Phase change data, Gas phase ion energetics 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 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
C9H11O- + =
By formula: C9H11O- + H+ = C9H12O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 347.5 ± 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° | 340.0 ± 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: C6H6O + C12H18O = C9H12O + C9H12O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -0.2 ± 0.24 | kcal/mol | Eqk | Nesterova, Pimerzin, et al., 1989 | liquid phase; Isomerization; ALS |
ΔrH° | -0.16 ± 0.24 | kcal/mol | Eqk | Nesterova, Pilyshchikov, et al., 1983 | liquid phase; GC; ALS |
By formula: C15H24O + C9H12O = C12H18O + C12H18O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.0 ± 0.20 | kcal/mol | Eqk | Nesterova, Pilyshchikov, et al., 1983 | liquid phase; CG; ALS |
By formula: C9H12O = C9H12O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1.90 ± 0.050 | kcal/mol | Eqk | Nesterova, Pilyshchikov, et al., 1983 | liquid phase; GC; ALS |
Gas phase ion energetics data
Go To: Top, Phase change data, Reaction thermochemistry 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: John E. Bartmess
View reactions leading to C9H12O+ (ion structure unspecified)
De-protonation reactions
C9H11O- + =
By formula: C9H11O- + H+ = C9H12O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 347.5 ± 2.2 | kcal/mol | G+TS | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 340.0 ± 2.0 | kcal/mol | IMRE | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bertholon, 1967
Bertholon, G.,
Physicochemical study of the phenols. VI. Physicochemical study of three isomeric isopropylphenols.,
Bull. Soc. Chim. Fr., 1967, No. 8, 2977. [all data]
Karr, 1957
Karr, C.,
, U. S. Bur. Mines, Inform. Circ. IC 7802, 1957. [all data]
von Terres, Gebert, et al., 1955
von Terres, E.; Gebert, F.; Hulsemann, H.; Petereit, H.; Toepsch, H.; Ruppert, W.,
Brennst.-Chem., 1955, 36, 272. [all data]
Stull, 1947
Stull, D.R.,
Organic compounds,
Ind. Eng. Chem., 1947, 39, 517. [all data]
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]
Bertholon, 1967, 2
Bertholon, G.,
No. 534. - Etude physicochimique des phonols. VI. - Etude physicochimique des trois isopropylphenols isomeres,
Bull. Soc. Chim. France, 1967, 8, 2977-2982. [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]
Tsvetkov, Nazmutdinov, et al., 1986
Tsvetkov, V.S.; Nazmutdinov, A.G.; Sharonov, K.S.; Rozhnov, A.M.,
Termodin. Org. Soedin., 1986, 71. [all data]
Stull, 1947, 2
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]
von Terres, Gebert, et al., 1955, 2
von Terres, E.; Gebert, F.; Hulsemann, H.; Petereit, H.; Toepsch, H.; Ruppert, W.,
Zur Kenntnis der physikalisch-chemischen Grundlagen der Gewinnung und Zerlegung der Phenolfraktionen von Steinkohlenteer und Braunkohlenschwelteer. IV. Mitteilung Die Dampfdrucke von Phenol und Phenolderivaten,
Brennst.-Chem., 1955, 36, 272-274. [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]
Nesterova, Pimerzin, et al., 1989
Nesterova, T.N.; Pimerzin, A.A.; Rozhnov, A.M.; Karlina, T.N.,
Equilibria for the isomerization of (secondary-alkyl)phenols and cyclohexylphenols,
J. Chem. Thermodyn., 1989, 21, 385-395. [all data]
Nesterova, Pilyshchikov, et al., 1983
Nesterova, T.N.; Pilyshchikov, V.A.; Rozhnov, A.M.,
Chemical Equilibrium in the system isopropylphenols-phenol,
J. Appl. Chem. USSR, 1983, 56, 1257-1261. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point 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
- 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.