Benzene, 1-ethyl-2-methyl-
- Formula: C9H12
- Molecular weight: 120.1916
- IUPAC Standard InChI: InChI=1S/C9H12/c1-3-9-7-5-4-6-8(9)2/h4-7H,3H2,1-2H3
- IUPAC Standard InChIKey: HYFLWBNQFMXCPA-UHFFFAOYSA-N
- CAS Registry Number: 611-14-3
- 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: Toluene, o-ethyl-; o-Ethylmethylbenzene; o-Ethyltoluene; o-Methylethylbenzene; 1-Ethyl-2-methylbenzene; 1-Methyl-2-ethylbenzene; 2-Ethyltoluene; ortho-Ethyltoluene; 1,2-Methylethylbenzene; 2-Ethylmethylbenzene; Toluene, 2-ethyl-; 2-Methyl-1-ethylbenzene; NSC 405731; 2-ethyl-3-methylbenzene
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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 | RTX-Wax | DB-Wax | DB-Wax | Supelcowax-10 | DB-Wax |
| Column length (m) | 30. | 60. | 30. | 60. | 60. |
| Carrier gas | He | Helium | He | He | |
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Phase thickness (μm) | 0.5 | 0.25 | 0.25 | 0.25 | |
| Tstart (C) | 40. | 60. | 25. | 35. | 40. |
| Tend (C) | 220. | 180. | 220. | 200. | 200. |
| Heat rate (K/min) | 10. | 3. | 4. | 4. | 2. |
| Initial hold (min) | 5. | 4. | 10. | 2. | |
| Final hold (min) | 10. | 30. | |||
| I | 1229. | 1231. | 1307. | 1271. | 1257. |
| Reference | Prososki, Etzel, et al., 2007 | Ito, Sugimoto, et al., 2002 | Duque, Bonilla, et al., 2001 | Girard and Durance, 2000 | Umano, Hagi, et al., 2000 |
| Comment | MSDC-RI | MSDC-RI | 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.
Prososki, Etzel, et al., 2007
Prososki, R.A.; Etzel, M.R.; Rankin, S.A.,
Solvent type affects the number, distribution, and relative quantities of volatile compounds found in sweet whey powder,
J. Dairy Sci., 2007, 90, 2, 523-531, https://doi.org/10.3168/jds.S0022-0302(07)71535-7
. [all data]
Ito, Sugimoto, et al., 2002
Ito, Y.; Sugimoto, A.; Kakuda, T.; Kubota, K.,
Identification of potent odorants in Chinese jasmine green tea scented with flowers of Jasminum sambac,
J. Agric. Food Chem., 2002, 50, 17, 4878-4884, https://doi.org/10.1021/jf020282h
. [all data]
Duque, Bonilla, et al., 2001
Duque, C.; Bonilla, A.; Bautista, E.; Zea, S.,
Exudation of low molecular wight compounds (thiobismethane, methyl isocyanide, amd methyl isothiocyanate) as a possible chemical defense mechanism in the marine sponge Ircinia felix,
Biochem. Systematics Ecol., 2001, 29, 5, 459-467, https://doi.org/10.1016/S0305-1978(00)00081-8
. [all data]
Girard and Durance, 2000
Girard, B.; Durance, T.,
Headspace volatiles of sockeye and pink salmon as affected by retort process,
Food Chem. Toxicol., 2000, 65, 1, 34-39. [all data]
Umano, Hagi, et al., 2000
Umano, K.; Hagi, Y.; Nakahara, K.; Shoji, A.; Shibamoto, T.,
Volatile chemicals identified in extracts from leaves of Japanese mugwort (Artemisia princeps Pamp.),
J. Agric. Food Chem., 2000, 48, 8, 3463-3469, https://doi.org/10.1021/jf0001738
. [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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