p-Cumenol
- Formula: C9H12O
- Molecular weight: 136.1910
- IUPAC Standard InChI: InChI=1S/C9H12O/c1-7(2)8-3-5-9(10)6-4-8/h3-7,10H,1-2H3
- IUPAC Standard InChIKey: YQUQWHNMBPIWGK-UHFFFAOYSA-N
- CAS Registry Number: 99-89-8
- 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: 4-Isopropylphenol; Phenol, 4-(1-methylethyl)-; Phenol, p-isopropyl-; p-Isopropylphenol; Australol; 4-(1-Methylethyl)phenol; 1-Hydroxy-4-isopropylbenzene; Prodox 133; NSC 1888; p-Cuminol
- Permanent link for this species. Use this link for bookmarking this species for future reference.
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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 | -41.90 ± 0.57 | kcal/mol | Eqk | Nesterova, Pimerzin, et al., 1989 | Author was aware that data differs from previously reported values; Isomerization |
| ΔfH°gas | -43.95 | 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 | -65. | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -1191. | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 | Corresponding ΔfHºsolid = -65. kcal/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°solid | -1189.5 ± 3.0 | kcal/mol | Ccb | Bertholon, 1967 | Corresponding ΔfHºsolid = -66.9 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 | 500. ± 4. | K | AVG | N/A | Average of 12 out of 13 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 334. ± 2. | K | AVG | N/A | Average of 12 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 21.05 | kcal/mol | C | Bertholon, Giray, et al., 1971 | ALS |
| ΔsubH° | 20.6 | kcal/mol | N/A | Bertholon, Giray, et al., 1971 | DRB |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 15.2 | 406. | EB | Nesterova, Nazmutdinov, et al., 1990 | Based on data from 391. to 507. K.; AC |
| 15.1 | 395. | A | Stephenson and Malanowski, 1987 | Based on data from 380. to 496. 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 |
|---|---|---|---|---|---|
| 381.3 to 501.4 | 5.77112 | 2801.531 | -15.386 | von Terres, Gebert, et al., 1955 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 13.5 ± 0.5 | 223.0 ± 0.5 | V | Bertholon, 1967 | ALS |
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
C9H11O- + =
By formula: C9H11O- + H+ = C9H12O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 349.2 ± 2.1 | kcal/mol | G+TS | Fujio, McIver, et al., 1981 | gas phase; ΔHf(AH) disagrees with group additivity by 8.6 kcal/mol (-41.4 kcal/mol; value altered from reference due to change in acidity scale; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 342.4 ± 2.0 | kcal/mol | IMRE | Fujio, McIver, et al., 1981 | gas phase; ΔHf(AH) disagrees with group additivity by 8.6 kcal/mol (-41.4 kcal/mol; 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: C9H12O = C9H12O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -0.339 ± 0.069 | kcal/mol | Eqk | Nesterova, Pilyshchikov, et al., 1983 | liquid phase; GC; 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
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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: 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° | 349.2 ± 2.1 | kcal/mol | G+TS | Fujio, McIver, et al., 1981 | gas phase; ΔHf(AH) disagrees with group additivity by 8.6 kcal/mol (-41.4 kcal/mol; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 342.4 ± 2.0 | kcal/mol | IMRE | Fujio, McIver, et al., 1981 | gas phase; ΔHf(AH) disagrees with group additivity by 8.6 kcal/mol (-41.4 kcal/mol; value altered from reference due to change in acidity scale |
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)
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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
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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 | NIST Mass Spectrometry Data Center, 1998. |
| NIST MS number | 291808 |
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 | SE-30 | 100. | 1201. | Berezkin, Popova, et al., 1997 | 30. m/0.25 mm/0.5 μm, He |
| Capillary | PS-255 | 150. | 1204. | 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 | HP-5MS | 1247. | Saroglou, Dorizas, et al., 2006 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 5. min, 4. K/min; Tend: 280. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 MS | 1221. | Bozi, Czagany, et al., 2007 | 30. m/0.25 mm/0.25 μm, Helium, 50. C @ 1. min, 10. K/min, 300. C @ 4. min |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SLB-5 MS | 1227. | Costa, De Fina, et al., 2008 | 30. m/0.25 mm/0.25 μm, Helium; Program: 50 0C 3 0C/min -> 250 0C (1 min) 10 0C/min -> 300 0C (5 min) |
| Capillary | SLB-5 MS | 1227. | Costa, De Fina, et al., 2008 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
| Capillary | CP Sil 5 CB | 1203. | Weyerstahl, Marschall, et al., 1999 | Column length: 25. m; Column diameter: 0.39 mm; Program: not specified |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-FFAP | 2227. | Czerny, Brueckner, et al., 2011 | 30. m/0.32 mm/0.25 μm, Helium, 40. C @ 2. min, 8. K/min, 230. C @ 5. min |
| Capillary | Innowax | 2241. | Suleimenov, Atazharova, et al., 2003 | He, 60. C @ 10. min, 4. K/min, 220. C @ 10. min; Column length: 60. m; Column diameter: 0.25 mm |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Innowax FSC | 2241. | Baser, Demirci, et al., 2009 | 60. m/0.25 mm/0.25 μm, Helium; Program: 60 0C (10 min) 4 0C/min -> 220 0C (10 min) 1 0C/min -> 240 0C |
| Capillary | Innowax | 2241. | Tunaher, Kirimer, et al., 2003 | 60. m/0.25 mm/0.25 μm, He; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C (20min) |
| Capillary | HP-Innowax FSC | 2241. | Hüsnü Can Baser, Demirci, et al., 2002 | 60. m/0.25 mm/0.25 μm, N2; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C |
| Capillary | HP-Innowax | 2241. | Gören, Demirci, et al., 2001 | 60. m/0.25 mm/0.25 μm, He; Program: 60 0C (10 min) 4 K/min -> 220 0C (10 min) 1 K/min -> 240 0C |
| Capillary | Innowax | 2241. | Özcan, Akgül, et al., 2001 | 60. m/0.25 mm/0.25 μm, He; Program: 60C(10min) => 4C/min => 200C(10min) => 1C/min => 240C |
| Capillary | Innowax | 2243. | Baser, Özek, et al., 2000 | 60. m/0.25 mm/0.25 μm, He; Program: 60 0C (10 min) 4 K/min -> 220 0C (10 min) 1 K/min -> 240 0C |
| Capillary | Innowax | 2242. | Baser, Kürkcüoglu, et al., 1998 | 60. m/0.25 mm/0.25 μm; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C |
Lee's RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 206.1 | Shao, Wang, et al., 2006 | 30. m/0.3 mm/0.25 μm, He, 50. C @ 5. min, 5. K/min, 200. C @ 15. min |
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 Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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
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]
von Terres, Gebert, et al., 1955
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, 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]
Berezkin, Popova, et al., 1997
Berezkin, V.G.; Popova, T.P.; Shiryayeva, V.Ye.; Nomura, N.,
Gas-chromatographic separation of monoalkylphenols on polar and non-polar phases by means of capillary chromatography,
Pet. Chem. USSR (Engl. Transl.), 1997, 37, 2, 161-167. [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]
Saroglou, Dorizas, et al., 2006
Saroglou, V.; Dorizas, N.; Kypriotakis, Z.; Skaltsa, H.D.,
Analysis of the essential oil composition of eight Anthemis species from Greece,
J. Chromatogr. A, 2006, 1104, 1-2, 313-322, https://doi.org/10.1016/j.chroma.2005.11.087
. [all data]
Bozi, Czagany, et al., 2007
Bozi, J.; Czagany, Z.; Meszaros, E.; Blazso, M.,
Thermal decomposition of flame retarded polycarbonates,
J. Anal. Appl. Pyrolysis, 2007, 79, 1-2, 337-345, https://doi.org/10.1016/j.jaap.2007.01.001
. [all data]
Costa, De Fina, et al., 2008
Costa, R.; De Fina, M.R.; Valentino, M.R.; Rustaiyan, A.; Dugo, P.; Dugo, G.; Mondello, L.,
An investigation on the volatile composition of some Artemisia species from Iran,
Flavour Fragr. J., 2008, 24, 2, 75-82, https://doi.org/10.1002/ffj.1919
. [all data]
Weyerstahl, Marschall, et al., 1999
Weyerstahl, P.; Marschall, H.; Splittgerber, U.; Son, P.T.; Giang, P.M.; Kaul, V.K.,
Constituents of the essential oil from the fruits of Zanthoxylum rhetsoides Drake from Vietnam and from the aerial parts of Zanthoxylum alatum Roxb. from India,
Flavour Fragr. J., 1999, 14, 4, 225-229, https://doi.org/10.1002/(SICI)1099-1026(199907/08)14:4<225::AID-FFJ818>3.0.CO;2-1
. [all data]
Czerny, Brueckner, et al., 2011
Czerny, M.; Brueckner, R.; Kirchoff, E.; Schmitt, R.; Buettner, A.,
The influence of molecular structure on odor qualities and odor detection thresholds of volatile alkylated phenols,
Chem. Senses, 2011, 1-15, retrieved from http://chemie.oxfordjournals.org. [all data]
Suleimenov, Atazharova, et al., 2003
Suleimenov, E.M.; Atazharova, G.A.; Demirchi, B.; Baser, K.H.C.; Adekenov, S.M.,
Essential oil composition of Artemisia Lercheana and A. Sieversiana of Kazakhstan flora
in Recent problems of development of new medicines of natural origin, Proceedings of symposium, St.Petersburg - Pushkin, 2003, 382-385. [all data]
Baser, Demirci, et al., 2009
Baser, K.H.C.; Demirci, B.; Kurkcuoglu, M.; Satin, F.; Tumen, G.,
Comparative morphological and phytochemical charactertization of Salvia cadmica and S. smyrnaea,
Pak. J. Bot., 2009, 41, 4, 1545-1555. [all data]
Tunaher, Kirimer, et al., 2003
Tunaher, Z.; Kirimer, N.; Baser, K.H.C.,
Wood essential oils of Juniperus foetidissima Willd.,
Holzforschung, 2003, 57, 140-144. [all data]
Hüsnü Can Baser, Demirci, et al., 2002
Hüsnü Can Baser, K.; Demirci, B.; Femirci, F.; Kocak, S.; Akinci, C.; Malyer, H.; Güleryüz, G.,
Composition and antimicrobial activity of the essential oil of Achellea multifida,
Planta Medica, 2002, 68, 10, 941-943, https://doi.org/10.1055/s-2002-34923
. [all data]
Gören, Demirci, et al., 2001
Gören, N.; Demirci, B.; Baser, K.H.C.,
Composition of the essential oils of Tanacetum spp. from Turkey,
Flavour Fragr. J., 2001, 16, 3, 191-194, https://doi.org/10.1002/ffj.976
. [all data]
Özcan, Akgül, et al., 2001
Özcan, M.; Akgül, A.; Bascr, K.H.C.; Özck, T.; Tabanca, N.,
Essential oil composition of sea fennel (Crithmum maritimum) form Turkey,
Nahrung/Food, 2001, 45, 5, 353-356, https://doi.org/10.1002/1521-3803(20011001)45:5<353::AID-FOOD353>3.0.CO;2-4
. [all data]
Baser, Özek, et al., 2000
Baser, K.H.C.; Özek, T.; Demirci, B.; Duman, H.,
Composition of the essential oil of Glaucosciadium cordifolium (Boiss.) Burtt et Davis from Turkey,
Flavour Fragr. J., 2000, 15, 1, 45-46, https://doi.org/10.1002/(SICI)1099-1026(200001/02)15:1<45::AID-FFJ867>3.0.CO;2-L
. [all data]
Baser, Kürkcüoglu, et al., 1998
Baser, K.H.C.; Kürkcüoglu, M.; Aytac, Z.,
Composition of the essential oil of Salvia euphratica Montbret ex Bentham var. euphratica from Turkey,
Flavour Fragr. J., 1998, 13, 1, 63-64, https://doi.org/10.1002/(SICI)1099-1026(199801/02)13:1<63::AID-FFJ694>3.0.CO;2-Z
. [all data]
Shao, Wang, et al., 2006
Shao, X.; Wang, G.; Sun, Y.; Zhang, R.; Xie, K.; Liu, H.,
Determination and Characterization of the Pyrolysis Products of Isoprocarb by GC-MS,
J. Chromatogr. Sci., 2006, 44, 3, 141-147, https://doi.org/10.1093/chromsci/44.3.141
. [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 Subscription Links, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) 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 ΔrG° Free energy of reaction 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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