Benzene, 1,4-dimethoxy-2-methyl-5-isopropyl-
- Formula: C12H18O2
- Molecular weight: 194.2701
- IUPAC Standard InChI: InChI=1S/C12H18O2/c1-8(2)10-7-11(13-4)9(3)6-12(10)14-5/h6-8H,1-5H3
- IUPAC Standard InChIKey: VTRMVHBUTNPBTP-UHFFFAOYSA-N
- CAS Registry Number: 14753-08-3
- 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: Thymohydroquinone dimethyl ether; p-2,5-Dimethoxycymene; 2,5-Dimethoxy-p-cymene; 2,5-Dimethoxycymene; p-Cymene, 2,5-dimethoxy; Thymohydroquinone methyl ether; 2,5-Dimethoxy-4-isopropyltoluene
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- Information on this page:
- Other data available:
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Normal alkane RI, polar column, temperature ramp
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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
| Column type | Capillary | Capillary | Capillary |
|---|---|---|---|
| Active phase | Supelcowax | DB-Wax | TC-Wax |
| Column length (m) | 60. | 30. | 60. |
| Carrier gas | Nitrogen | He | He |
| Substrate | |||
| Column diameter (mm) | 0.35 | 0.25 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.25 | |
| Tstart (C) | 60. | 50. | 80. |
| Tend (C) | 230. | 250. | 240. |
| Heat rate (K/min) | 4. | 3. | 3. |
| Initial hold (min) | |||
| Final hold (min) | 40. | 10. | |
| I | 1885. | 1918. | 1866. |
| Reference | Gauvin-Bialecki and Marodon, 2009 | Havlik, Kokoska, et al., 2006 | Miyazawa, Teranishi, et al., 2003 |
| 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.
Gauvin-Bialecki and Marodon, 2009
Gauvin-Bialecki, A.; Marodon, C.,
Essential oil of Ayapana triplinervis from Reunion island: a good natural source of thymohydroquinone dimethyl ether,
Biochem. Systematics Ecol., 2009, 36, 11, 853-858, https://doi.org/10.1016/j.bse.2008.09.006
. [all data]
Havlik, Kokoska, et al., 2006
Havlik, J.; Kokoska, L.; Vasickova, S.; Valterova, I.,
Chemical composition of essential oil from the seeds of Nigella arvensis L. and assessment of its actimicrobial activity,
Flavour Fragr. J., 2006, 21, 4, 713-717, https://doi.org/10.1002/ffj.1713
. [all data]
Miyazawa, Teranishi, et al., 2003
Miyazawa, M.; Teranishi, A.; Ishikawa, Y.,
Components of the essential oil from Petasites japonicus,
Flavour Fragr. J., 2003, 18, 3, 231-233, https://doi.org/10.1002/ffj.1203
. [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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