Phenol, 2-(1,1-dimethylethyl)-4-methyl-
- 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 file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - 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 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, Gas Chromatography, 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
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. to 358. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 82.9 ± 0.5 | kJ/mol | GS | Verevkin, 1999 | Based on data from 288. to 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. to 358. K.; AC |
58.9 | 400. | A | Stephenson and Malanowski, 1987 | Based on data from 385. to 517. K.; AC |
57.7 | 348. | N/A | Stage, Müller, et al., 1953 | Based on data from 343. to 507. K.; AC |
55.7 | 373. | N/A | Stage, Müller, et al., 1953 | Based on data from 343. to 507. K.; AC |
52.6 | 423. | N/A | Stage, Müller, et al., 1953 | Based on data from 343. to 507. K.; AC |
48.5 | 473. | N/A | Stage, Müller, et al., 1953 | Based on data from 343. to 507. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
343. to 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. to 318. K.; AC |
77.4 | 284. | A | Stephenson and Malanowski, 1987 | Based on data from 274. to 294. K. See also Aihara, 1960.; AC |
Gas Chromatography
Go To: Top, Phase change 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | SE-30 | 250. | 1345. | Verevkin, Nesterov, et al., 1990 | He, NAWHMDS; Column length: 3. m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | BPX-5 | 1387. | Aaslyng, Elmore, et al., 1998 | 50. m/0.32 mm/0.50 μm, He, 4. K/min; Tstart: 40. C; Tend: 280. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | VF-5MS | 1352.2 | 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 | 1353.1 | 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 | 1355. | Mjøs, Meier, et al., 2006 | 50. m/0.25 mm/0.25 μm, He; Program: 60C(2min) => 30C/min => 100C => 4C/min => |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Supelcowax-10 | 2235. | Chung, 1999 | 60. m/0.25 mm/0.25 μm, He, 35. C @ 5. min, 2. K/min, 195. C @ 90. min |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Verevkin, Nesterov, et al., 1990
Verevkin, S.P.; Nesterov, O.A.; Rempel, P.D.; Synkova, N.V.; Shashkin, N.P.,
Chromatographic determination of the products of condensation of alkylphenols with formic aldehyde,
Zh. Anal. Khim., 1990, 43, 760-761. [all data]
Aaslyng, Elmore, et al., 1998
Aaslyng, M.D.; Elmore, J.S.; Mottram, D.S.,
Comparison of the aroma characteristics of acid-hydrolyzed and enzyme-hydrolyzed vegetable proteins produced from soy,
J. Agric. Food Chem., 1998, 46, 12, 5225-5231, https://doi.org/10.1021/jf9806816
. [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]
Chung, 1999
Chung, H.Y.,
Volatile components in crabmeats of Charybdis feriatus,
J. Agric. Food Chem., 1999, 47, 6, 2280-2287, https://doi.org/10.1021/jf981027t
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point 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
- 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.