Thymol
- Formula: C10H14O
- Molecular weight: 150.2176
- IUPAC Standard InChIKey: MGSRCZKZVOBKFT-UHFFFAOYSA-N
- CAS Registry Number: 89-83-8
- 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: Phenol, 5-methyl-2-(1-methylethyl)-; p-Cymen-3-ol; Thyme camphor; 2-Isopropyl-5-methylphenol; 3-Hydroxy-p-cymene; 3-Methyl-6-isopropylphenol; 5-Methyl-2-isopropylphenol; 6-Isopropyl-m-cresol; 6-Isopropyl-3-methylphenol; m-Cresol, 6-isopropyl-; p-Cymene, 3-hydroxy-; Phenol, 2-isopropyl-5-methyl-; Thymic acid; 1-Hydroxy-5-methyl-2-isopropylbenzene; 1-Methyl-3-hydroxy-4-isopropylbenzene; 3-p-Cymenol; 3-Hydroxy-1-methyl-4-isopropylbenzene; 5-Methyl-2-isopropyl-1-phenol; 5-Methyl-2-(1-methylethyl)phenol; Isopropyl-m-cresol; m-Thymol; 2-Hydroxy-1-isopropyl-4-methylbenzene; NSC 11215; 2-Isopropyl-5-methylphenol (thymol); Isopropyl cresol
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Van Den Dool and Kratz RI, non-polar column, custom temperature program
Go To: Top, 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
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | BPX-5 | HP-5MS | DB-5MS | HP-5MS | 5 % Phenyl methyl siloxane |
Column length (m) | 30. | 30. | 30. | 30. | 30. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.32 | 0.25 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.5 | 0.25 | 0.15 |
Program | 35C => 4C/min => 200C => 30C/min => 300C (3min) | 50C(4min) => 10C/min => 200C(0.5min) => 20C/min => 260C(5min) | 70C(1min) => 3C/min => 80C(1min) => 5C/min => 150C => 10C/min => 280C (4min) | 50C (3min) => 3C/min => 200C => 6C/min => 240C | 45C => 1C/min => 100C => 5C/min => 250C (10min) |
I | 1303. | 1280. | 1272. | 1290. | 1290. |
Reference | Dharmawan, Kasapis, et al., 2007 | Pérez, Navarro, et al., 2007 | Varlet V., Knockaert C., et al., 2006 | Akpulat, Tepe, et al., 2005 | Sacchetti, Maietti, et al., 2005 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|
Active phase | SE-52 | DB-5MS | DB-5 | SE-52 |
Column length (m) | 25. | 30. | 25. | 60. |
Carrier gas | H2 | He | He | He |
Substrate | ||||
Column diameter (mm) | 0.32 | 0.25 | 0.25 | 0.32 |
Phase thickness (μm) | 0.43 | 0.25 | 0.25 | 0.40 |
Program | 60C(8min) => 3C/min => 180C => 20C/min => 250C(10min) | 40C(5min) => 4C/min => 160C => 8C/min => 240C (15min) | 60C => 3C/min => 106C => 6C/min => 280C | 45 C (6 min) 3 C/min -> 111 0C 2 C/min -> 160 C 3 C/min -> 300 C (15 min) |
I | 1294. | 1290. | 1290. | 1290. |
Reference | Frizzo, Lorenzo, et al., 2004 | Kim, Lee, et al., 2003 | Afsharypuor, Jeiran, et al., 1998 | Mondello, Dugo, et al., 1995 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, non-polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dharmawan, Kasapis, et al., 2007
Dharmawan, J.; Kasapis, S.; Curran, P.; Johnson, J.R.,
Characterization of volatile compounds in selected citrus fruits from Asia. Part I: freshly-squeezed juice,
Flavour Fragr. J., 2007, 22, 3, 228-232, https://doi.org/10.1002/ffj.1790
. [all data]
Pérez, Navarro, et al., 2007
Pérez, R.A.; Navarro, T.; de Lorenzo, C.,
HS-SPME analysis of the volatile compounds from spices as a source of flavour in 'Campo Real' table olive preparations,
Flavour Fragr. J., 2007, 22, 4, 265-273, https://doi.org/10.1002/ffj.1791
. [all data]
Varlet V., Knockaert C., et al., 2006
Varlet V.; Knockaert C.; Prost C.; Serot T.,
Comparison of odor-active volatile compounds of fresh and smoked salmon,
J. Agric. Food Chem., 2006, 54, 9, 3391-3401, https://doi.org/10.1021/jf053001p
. [all data]
Akpulat, Tepe, et al., 2005
Akpulat, H.A.; Tepe, B.; Sokmen, A.; Daferera, D.; Polissiou, M.,
Composition of the essential oils of Tanacetum argyrophyllum (C. Koch) Tvzel. var. argyrophyllum and Tanacetum parthenium (L.) Schultz Bip. (Asteraceae) from Turkey,
Biochem. Syst. Ecol., 2005, 33, 5, 511-516, https://doi.org/10.1016/j.bse.2004.10.006
. [all data]
Sacchetti, Maietti, et al., 2005
Sacchetti, G.; Maietti, S.; Muzzoli, M.; Scaglianti, M.; Manfredini, S.; Radice, M.; Bruni, R.,
Comparative evaluation of 11 essential oils of different origin as functional antioxidants, antiradicals and antimicrobials in foods,
Food Chem., 2005, 91, 4, 621-632, https://doi.org/10.1016/j.foodchem.2004.06.031
. [all data]
Frizzo, Lorenzo, et al., 2004
Frizzo, C.D.; Lorenzo, D.; Dellacassa, E.,
Composition and seasonal variation of the essential oils from two mandarin cultivars of Southern Brazil,
J. Agric. Food Chem., 2004, 52, 10, 3036-3041, https://doi.org/10.1021/jf030685x
. [all data]
Kim, Lee, et al., 2003
Kim, T.H.; Lee, S.M.; Kim, Y.-S.; Kim, K.H.; Oh, S.; Lee, H.J.,
Aroma dilution method using GC injector split ratio for volatile compounds extracted by headspace solid phase microextraction,
Food Chem., 2003, 83, 1, 151-158, https://doi.org/10.1016/S0308-8146(03)00221-8
. [all data]
Afsharypuor, Jeiran, et al., 1998
Afsharypuor, S.; Jeiran, K.; Jazy, A.A.,
First investigation of the flavour profiles of the leaf, ripe fruit and root of Capparis spinosa var. mucronifolia from Iran,
Pharm. Acta Helv., 1998, 72, 5, 307-309, https://doi.org/10.1016/S0031-6865(97)00023-X
. [all data]
Mondello, Dugo, et al., 1995
Mondello, L.; Dugo, P.; Basile, A.; Dugo, G.,
Interactive use of linear retention indices, on polar and apolar columns, with a MS-library for reliable identification of complex mixtures,
J. Microcolumn Sep., 1995, 7, 6, 581-591, https://doi.org/10.1002/mcs.1220070605
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, non-polar column, custom temperature program, References
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