Thymoquinone
- Formula: C10H12O2
- Molecular weight: 164.2011
- IUPAC Standard InChIKey: KEQHJBNSCLWCAE-UHFFFAOYSA-N
- CAS Registry Number: 490-91-5
- 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: 2,5-Cyclohexadiene-1,4-dione, 2-methyl-5-(1-methylethyl)-; p-Mentha-3,6-diene-2,5-dione; p-Cymene-2,5-dione; Thymoquinon; 2-Isopropyl-5-methylbenzoquinone; 2,5-Cyclohexadiene-1,4-dione, 5-isopropyl-2-methyl-; 2-Isopropyl-5-methyl-1,4-benzoquinone; 2-Methyl-5-isopropyl-1,4-benzoquinone; 2-Methyl-5-isopropyl-p-benzoquinone; 5-Isopropyl-2-methyl-1,4-benzoquinone; 5-Isopropyl-2-methyl-p-benzoquinone; 2-Methyl-5-(1-methylethyl)-2,5-cyclohexadiene-1,4-dione; 2-Isopropyl-5-methyl-p-benzoquinone; NSC 2228; thymolquinone
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- Other data available:
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Normal alkane RI, non-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-5 | HP-5MS | RTX-5 MS | DB-1 | DB-5 |
Column length (m) | 30. | 30. | 30. | 50. | 30. |
Carrier gas | Helium | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 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. | 95. | 50. |
Tend (C) | 250. | 250. | 210. | 240. | 250. |
Heat rate (K/min) | 3. | 2. | 3. | 4. | 3. |
Initial hold (min) | 5. | 8. | |||
Final hold (min) | 20. | 15. | 10. | ||
I | 1252. | 1246. | 1253. | 1239. | 1250. |
Reference | Cao, Li, et al., 2011 | Ferhat, Tigrine-Kordjani, et al., 2007 | Hudaib and Aburjai, 2007 | Pala-Paul, Brophy, et al., 2007 | Havlik, Kokoska, et al., 2006 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-5 | SPB-5 | HP-5 MS | HP-5 | DB-5 |
Column length (m) | 30. | 30. | 30. | 30. | 30. |
Carrier gas | Helium | Helium | Helium | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Tstart (C) | 50. | 60. | 60. | 50. | 40. |
Tend (C) | 250. | 250. | 250. | 300. | 240. |
Heat rate (K/min) | 3. | 4. | 2. | 5. | 4. |
Initial hold (min) | 5. | 2. | 8. | 5. | |
Final hold (min) | 20. | 15. | 5. | ||
I | 1250. | 1250. | 1236. | 1258. | 1248. |
Reference | Mirza, Navaei, et al., 2006 | Pino, Marquez, et al., 2006 | Tigrine-Kordiani, Meklati, et al., 2006 | Figuérédo, Cabassu, et al., 2005 | Sefidkon and Jamzad, 2005 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-5 | HP-5MS | DB-5 | DB-1 | SPB-5 |
Column length (m) | 30. | 30. | 30. | 60. | 60. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Tstart (C) | 60. | 60. | 60. | 40. | 40. |
Tend (C) | 230. | 275. | 280. | 220. | 220. |
Heat rate (K/min) | 3. | 4. | 3. | 4. | 3. |
Initial hold (min) | 5. | ||||
Final hold (min) | 20. | 30. | 15. | ||
I | 1252. | 1244. | 1242. | 1226. | 1245. |
Reference | Skoula and Grayer, 2005 | Hajhashemi V., Ghannadi A., et al., 2004 | Marongiu, Porcedda, et al., 2003 | Rasooli and Mirmostafa, 2003 | Cornu, Carnat, et al., 2001 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary |
---|---|
Active phase | HP-101 |
Column length (m) | 25. |
Carrier gas | He |
Substrate | |
Column diameter (mm) | 0.2 |
Phase thickness (μm) | 0.2 |
Tstart (C) | 70. |
Tend (C) | 200. |
Heat rate (K/min) | 3. |
Initial hold (min) | 2. |
Final hold (min) | 10. |
I | 1220. |
Reference | Milso, Mastelic, et al., 1998 |
Comment | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-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.
Cao, Li, et al., 2011
Cao, H.; Li, Z.; Chen, X.,
QSRR study of GC retention indices of volatile compounds emitted from Mosla chinensis Maxim. by multiply linear regression,
Chin. J. Chem., 2011, 29, 10, 2187-2196, https://doi.org/10.1002/cjoc.201180379
. [all data]
Ferhat, Tigrine-Kordjani, et al., 2007
Ferhat, M.A.; Tigrine-Kordjani, N.; Chemat, S.; Meklati, B.Y.; Chemat, F.,
Rapid Extraction of Volatile Compounds Using a New Simultaneous Microwave Distillation: Solvent Extraction Device,
Chromatographia, 2007, 65, 3-4, 217-222, https://doi.org/10.1365/s10337-006-0130-5
. [all data]
Hudaib and Aburjai, 2007
Hudaib, M.; Aburjai, T.,
Volatile components of Thymus vulgaris L. from wild-growing and cultivated plants in Jordan,
Flavour Fragr. J., 2007, 22, 4, 322-327, https://doi.org/10.1002/ffj.1800
. [all data]
Pala-Paul, Brophy, et al., 2007
Pala-Paul, J.; Brophy, J.J.; Perez-Alonso, M.J.; Usano, J.; Soria, S.C.,
Essential oil composition of the different parts of Eryngium corniculatum Lam. (Apiaceae) from Spain,
J. Chromatogr. A, 2007, 1175, 2, 289-293, https://doi.org/10.1016/j.chroma.2007.10.061
. [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]
Mirza, Navaei, et al., 2006
Mirza, M.; Navaei, M.N.; Dini, M.,
Volatile constituents of essential oils isolated from flowers and leaves of Eupatorium cannabinum L. from Iran,
Iranian J. Pharmaceutical Res., 2006, 2, 149-152. [all data]
Pino, Marquez, et al., 2006
Pino, J.A.; Marquez, E.; Marbot, R.,
Volatile constituents from tea of roselle (Hibiscus sabdariffa L.),
Rev. CENIC Ciencias Quimicas, 2006, 37, 3, 127-129. [all data]
Tigrine-Kordiani, Meklati, et al., 2006
Tigrine-Kordiani, N.; Meklati, B.Y.; Chemat, F.,
Abalysis by gas chromatography - mass spectrometry of the essential oil of Zygophyllum album L., an aromatic and medicinal plant growing in Algeria,
Int. J. Aromatherapy, 2006, 16, 3-4, 187-191, https://doi.org/10.1016/j.ijat.2006.09.008
. [all data]
Figuérédo, Cabassu, et al., 2005
Figuérédo, G.; Cabassu, P.; Chalchat, J.-C.; Pasquier, B.,
Studies of Mediterranean oregano populations- V. Chemical composition of essential oils of oregano: Origanum syriacum L. var. bevanii (Holmes) Ietswaart, O. syriacum L. var. sinaicum (Boiss.) Ietswaart, and O. syriacum L. var. syriacum from Lebanon and Israel,
Flavour Fragr. J., 2005, 20, 164-168. [all data]
Sefidkon and Jamzad, 2005
Sefidkon, F.; Jamzad, Z.,
Chemical composition of the essential oil of three Iranian Satureja species (S. mutica, S. macrantha and S. intermedia),
Food Chem., 2005, 91, 1, 1-4, https://doi.org/10.1016/j.foodchem.2004.01.027
. [all data]
Skoula and Grayer, 2005
Skoula, M.; Grayer, R.J.,
Volatile oils of Coridothymus capitatus, Satureja thymbra, Satureja spinosa and Thymbra calostachya (Lamiaceae) from Crete,
Flavour Fragr. J., 2005, 20, 6, 573-576, https://doi.org/10.1002/ffj.1489
. [all data]
Hajhashemi V., Ghannadi A., et al., 2004
Hajhashemi V.; Ghannadi A.; Jafarabadi H.,
Black cumin seed essential oil, as a potent analgesic and antiinflammatory drug,
Phytother. Res., 2004, 18, 3, 195-199, https://doi.org/10.1002/ptr.1390
. [all data]
Marongiu, Porcedda, et al., 2003
Marongiu, B.; Porcedda, S.; Caredda, A.; de Gioannis, B.; Vargiu, L.; la Colla, P.,
Extraction of Juniperus oxycedrus ssp. Oxycedrus essential oil by supercritical carbon dioxide: influence of some process parameters and biological activity,
Flavour Fragr. J., 2003, 18, 5, 390-397, https://doi.org/10.1002/ffj.1224
. [all data]
Rasooli and Mirmostafa, 2003
Rasooli, I.; Mirmostafa, S.A.,
Bacterial susceptibility to and chemical composition of essential oils from Thymus kotschyanus and Thymus persicus,
J. Agric. Food Chem., 2003, 51, 8, 2200-2205, https://doi.org/10.1021/jf0261755
. [all data]
Cornu, Carnat, et al., 2001
Cornu, A.; Carnat, A.-P.; Martin, B.; Coulon, J.-B.; Lamaison, J.-L.; Berdagué, J.-L.,
Solid-phase microextraction of volatile components from natural grassland plants,
J. Agric. Food Chem., 2001, 49, 1, 203-209, https://doi.org/10.1021/jf0008341
. [all data]
Milso, Mastelic, et al., 1998
Milso, M.; Mastelic, J.; Radonic, A.,
Free and glycosidically bound volatile compounds from cypress cones (Cupressus Sempervirens L.),
Croat. Chem. Acta, 1998, 71, 1, 139-145. [all data]
Notes
Go To: Top, Normal alkane RI, non-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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