Phenol, 2-methyl-
- Formula: C7H8O
- Molecular weight: 108.1378
- IUPAC Standard InChIKey: QWVGKYWNOKOFNN-UHFFFAOYSA-N
- CAS Registry Number: 95-48-7
- 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: o-Cresol; o-Hydroxytoluene; o-Methylphenol; o-Methylphenylol; o-Oxytoluene; 1-Hydroxy-2-methylbenzene; 2-Cresol; 2-Hydroxytoluene; 2-Methylphenol; Orthocresol; o-Kresol; Rcra waste number U052; o-Cresylic acid; 1-Methyl-2-hydroxybenzene; NSC 23076; o-Toluol
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Normal alkane RI, polar column, temperature ramp
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 | DB-FFAP | AT-Wax | FFAP | HP-Innowax | Supelcowax-10 |
Column length (m) | 30. | 60. | 60. | 30. | 30. |
Carrier gas | Helium | Helium | Helium | Helium | Helium |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Tstart (C) | 40. | 60. | 45. | 50. | 50. |
Tend (C) | 230. | 280. | 220. | 250. | 240. |
Heat rate (K/min) | 8. | 4. | 5. | 6.5 | 8. |
Initial hold (min) | 2. | 1. | 1.5 | 10. | |
Final hold (min) | 5. | 5. | 10. | ||
I | 2000. | 2021. | 1992. | 1993. | 1992. |
Reference | Czerny, Brueckner, et al., 2011 | Kiss, Csoka, et al., 2011 | Piyachaiseth, Jirapakkul, et al., 2011 | Thakeow, Angeli, et al., 2008 | Vichi, Romero, et al., 2008 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax | DB-Wax Etr | TC-Wax | TC-Wax | Supelcowax |
Column length (m) | 30. | 60. | 60. | 60. | 60. |
Carrier gas | N2 | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | |||
Tstart (C) | 40. | 40. | 80. | 80. | 80. |
Tend (C) | 230. | 230. | 250. | 240. | 240. |
Heat rate (K/min) | 6. | 2. | 4. | 3. | 5. |
Initial hold (min) | 2. | 5. | |||
Final hold (min) | 15. | 100. | 30. | ||
I | 2011. | 2030. | 2008. | 1995. | 2050. |
Reference | Fan and Qian, 2006 | Ibarz, Ferreira, et al., 2006 | Miyazawa and Okuno, 2003 | Miyazawa, Yamafuji, et al., 2003 | Näf and Velluz, 1998 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary |
---|---|---|---|
Active phase | TC-Wax | Carbowax 20M | Carbowax 20M |
Column length (m) | 60. | 60. | 50. |
Carrier gas | He | ||
Substrate | |||
Column diameter (mm) | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | |||
Tstart (C) | 80. | 60. | 60. |
Tend (C) | 240. | 180. | 180. |
Heat rate (K/min) | 3. | 2. | 2. |
Initial hold (min) | 5. | 4. | 4. |
Final hold (min) | |||
I | 2007. | 2025. | 2025. |
Reference | Shuichi, Masazumi, et al., 1996 | Kawakami, Ganguly, et al., 1995 | Kawakami and Kobayashi, 1991 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Kiss, Csoka, et al., 2011
Kiss, M.; Csoka, M.; Gyorfi, J.; Korany, K.,
Comparison of the fragrance constituents of Tuber aestivium and Tuber Brumale gathered in Hungary,
J. Appl. Botany Food Quality, 2011, 84, 102-110. [all data]
Piyachaiseth, Jirapakkul, et al., 2011
Piyachaiseth, T.; Jirapakkul, W.; Chaiseri, S.,
Aroma compounds of flash-fried rice,
Kasetsart J. (Nat. Sci.), 2011, 45, 717-729. [all data]
Thakeow, Angeli, et al., 2008
Thakeow, P.; Angeli, S.; Weissbecker, B.; Schutz, S.,
Antennal and behavioral responses of Cis boleti to fungal odor of Trametes gibbosa,
Chem. Senses, 2008, 33, 4, 379-387, https://doi.org/10.1093/chemse/bjn005
. [all data]
Vichi, Romero, et al., 2008
Vichi, S.; Romero, A.; Tous, J.; Tamames, E.L.; Buxaderas, S.,
Determination of volatile phenols in virgin olive oil and their sensory significatnce,
J. Chromatoghr. A., 2008, 1211, 1-2, 1-7, https://doi.org/10.1016/j.chroma.2008.09.067
. [all data]
Fan and Qian, 2006
Fan, W.; Qian, M.C.,
Identification of aroma compounds in Chinese 'Yanghe Daqu' liquor by normal phase chromatography fractionation followed by gas chromatography/olfactometry,
Flavour Fragr. J., 2006, 21, 2, 333-342, https://doi.org/10.1002/ffj.1621
. [all data]
Ibarz, Ferreira, et al., 2006
Ibarz, M.J.; Ferreira, V.; Hernández-Orte, P.; Loscos, N.; Cacho, J.,
Optimization and evaluation of a procedure for the gas chromatographic-mass spectrometric analysis of the aromas generated by fast acid hydrolysis of flavor precursors extracted from grapes,
J. Chromatogr. A, 2006, 1116, 1-2, 217-229, https://doi.org/10.1016/j.chroma.2006.03.020
. [all data]
Miyazawa and Okuno, 2003
Miyazawa, M.; Okuno, Y.,
Volatile components from the roots of Scrophularia ningpoensis Hemsl.,
Flavour Fragr. J., 2003, 18, 5, 398-400, https://doi.org/10.1002/ffj.1232
. [all data]
Miyazawa, Yamafuji, et al., 2003
Miyazawa, M.; Yamafuji, C.; Kurose, K.; Ishikawa, Y.,
Volatile components of the rhizomes of Cirsium japonicum DC,
Flavour Fragr. J., 2003, 18, 1, 15-17, https://doi.org/10.1002/ffj.1135
. [all data]
Näf and Velluz, 1998
Näf, R.; Velluz, A.,
Phenols and lactones in Italo-Mitcham peppermint oil Mentha × piperita L.,
Flavour Fragr. J., 1998, 13, 3, 203-208, https://doi.org/10.1002/(SICI)1099-1026(199805/06)13:3<203::AID-FFJ725>3.0.CO;2-0
. [all data]
Shuichi, Masazumi, et al., 1996
Shuichi, H.; Masazumi, N.; Hiromu, K.; Kiyoshi, F.,
Comparison of volatile compounds berween the crude drugs, Onji-tsutsu and Onji-niki,
Nippon nogei kagaku kaishi, 1996, 70, 2, 151-160. [all data]
Kawakami, Ganguly, et al., 1995
Kawakami, M.; Ganguly, S.N.; Banerjee, J.; Kobayashi, A.,
Aroma composition of oolong tea and black tea by brewed extraction method and characterizing compounds of Darjeeling tea aroma,
J. Agric. Food Chem., 1995, 43, 1, 200-207, https://doi.org/10.1021/jf00049a037
. [all data]
Kawakami and Kobayashi, 1991
Kawakami, M.; Kobayashi, A.,
Volatitle constituents of greem mate and roasted mate,
J. Agric. Food Chem., 1991, 39, 7, 1275-1279, https://doi.org/10.1021/jf00007a016
. [all data]
Notes
Go To: Top, Normal alkane RI, polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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