4-Isopropyl-2-methylphenol
- Formula: C10H14O
- Molecular weight: 150.2176
- IUPAC Standard InChI: InChI=1S/C10H14O/c1-7(2)9-4-5-10(11)8(3)6-9/h4-7,11H,1-3H3
- IUPAC Standard InChIKey: WYXXLXHHWYNKJF-UHFFFAOYSA-N
- CAS Registry Number: 1740-97-2
- 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. - Species with the same structure:
- Other names: Phenol, 2-methyl-4-(1-methylethyl)-; isocarvacrol; 4-isopropyl-m-cresol
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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 | -49.42 | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 | see Lamartine and Perrin, 1969 |
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 | -68. | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 | see Lamartine and Perrin, 1969 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1351. | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 | see Lamartine and Perrin, 1969; Corresponding ΔfHºliquid = -68. kcal/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°liquid | -1347. ± 3. | kcal/mol | Ccb | Lamartine and Perrin, 1969 | Corresponding ΔfHºliquid = -72. 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
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 | 506.15 | K | N/A | Sowa, Hinton, et al., 1932 | Uncertainty assigned by TRC = 4. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 18.58 | kcal/mol | C | Bertholon, Giray, et al., 1971 | see Lamartine and Perrin, 1969; ALS |
| ΔvapH° | 17.5 | kcal/mol | N/A | Bertholon, Giray, et al., 1971 | DRB |
| ΔvapH° | 13.5 ± 0.6 | kcal/mol | V | Lamartine and Perrin, 1969 | ALS |
Reduced pressure boiling point
| Tboil (K) | Pressure (atm) | Reference | Comment |
|---|---|---|---|
| 356.2 | 0.004 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 14.3 | 397. | EB | Lamartine and Perrin, 1969, 2 | Based on data from 382. to 503. K.; AC |
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
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-Innowax FSC | 2221. | Demirci, Paper, et al., 2004 | 60. m/0.25 mm/0.25 μm, He; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C |
| Capillary | HP-Innowax FSC | 2221. | Demirci, Baser, et al., 2003 | 60. m/0.25 mm/0.25 μm, He; Program: 60C (10min) => 4C/min => 220C (10min) => 1C/min => 240C |
| Capillary | Innowax FSC | 2221. | Baser, Demirei, et al., 2002 | 60. m/0.25 mm/0.25 μm, He; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C |
| Capillary | Innowax | 2221. | Baser, Nuriddinov, et al., 2002 | 60. m/0.25 mm/0.25 μm, He; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C |
| Capillary | Innowax | 2205. | 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 | 2219. | 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 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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.
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]
Lamartine and Perrin, 1969
Lamartine, R.; Perrin, R.,
Etude physiocochimique des phenols. VIII. Caracterisation physicochimique des methyl-2 isopropylphenols ou carvacrols,
Bull. Soc. Chim. France, 1969, 10, 443-445. [all data]
Sowa, Hinton, et al., 1932
Sowa, F.J.; Hinton, H.D.; Nieuwland, J.A.,
Organic Reactions with Boron FLuoride II. The Rearrangement of Alkyl Phenyl Ethers,
J. Am. Chem. Soc., 1932, 54, 2019. [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]
Lamartine and Perrin, 1969, 2
Lamartine, R.; Perrin, R.,
Bull. Soc. Chim. Fr., 1969, 2, 443. [all data]
Demirci, Paper, et al., 2004
Demirci, F.; Paper, D.H.; Franz, G.; Hüsnü Can Baser, K.,
Investigation of the origanum onites L. essential oil using the Chorioallantoic Membrane (CAM) assay,
J. Agric. Food Chem., 2004, 52, 2, 251-254, https://doi.org/10.1021/jf034850k
. [all data]
Demirci, Baser, et al., 2003
Demirci, B.; Baser, K.H.C.; Yildiz, B.; Bahcecioglu, Z.,
Composition of the essential oils of six endemic Salvia spp. from Turkey,
Flavour Fragr. J., 2003, 18, 2, 116-121, https://doi.org/10.1002/ffj.1173
. [all data]
Baser, Demirei, et al., 2002
Baser, K.H.C.; Demirei, B.; Özek, T.; Akalin, E.; Özhatay, N.,
Micro-distilled volatile compounds from Ferulago species growing in Western Turkey,
Pharm. Biol., 2002, 40, 6, 466-471, https://doi.org/10.1076/phbi.40.6.466.8439
. [all data]
Baser, Nuriddinov, et al., 2002
Baser, K.H.C.; Nuriddinov, H.R.; Ozek, T.; Demirci, A.B.; Azcan, N.; Nigmatullaev, A.M.,
Essential oil of Arischrada korolkowii from the Chatkal mountains of Uzbekistan,
Chem. Nat. Compd. (Engl. Transl.), 2002, 38, 1, 51-53, https://doi.org/10.1023/A:1015729731464
. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling 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 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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