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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IR Spectrum
Go To: Top, Gas Chromatography, 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
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Gas Chromatography
Go To: Top, IR Spectrum, 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
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 1260. | Hazzit, Baaliouamer, et al., 2006 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 8. min, 2. K/min, 280. C @ 30. min |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-1 | 1216. | Bendahou, Muselli, et al., 2008 | 60. m/0.22 mm/0.25 μm, He, 2. K/min, 230. C @ 30. min; Tstart: 60. C |
Capillary | HP-5MS | 1252. | Benkaci-Ali, Baaliouamer, et al., 2007 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 8. min, 2. K/min, 250. C @ 30. min |
Capillary | DB-1 | 1251. | Senatore, Lentini, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 2. K/min, 270. C @ 20. min |
Capillary | DB-5 | 1249. | Economakis, Skaltsa, et al., 2002 | 30. m/0.25 mm/0.25 μm, 50. C @ 5. min, 3. K/min; Tend: 280. C |
Capillary | RTX-5 MS | 1252. | Hudaib, Speroni, et al., 2002 | 30. m/0.25 mm/0.25 μm, He, 45. C @ 10. min, 2.5 K/min; Tend: 180. C |
Capillary | HP-101 | 1222. | Milos and Radonic, 2000 | 25. m/0.2 mm/0.2 μm, He, 70. C @ 2. min, 3. K/min, 200. C @ 10. min |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 1252. | Cao, Li, et al., 2011 | 30. m/0.25 mm/0.25 μm, Helium, 40. C @ 5. min, 3. K/min, 250. C @ 20. min |
Capillary | HP-5MS | 1246. | Ferhat, Tigrine-Kordjani, et al., 2007 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 8. min, 2. K/min, 250. C @ 15. min |
Capillary | RTX-5 MS | 1253. | Hudaib and Aburjai, 2007 | 30. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 45. C; Tend: 210. C |
Capillary | DB-1 | 1239. | Pala-Paul, Brophy, et al., 2007 | 50. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 95. C; Tend: 240. C |
Capillary | DB-5 | 1250. | Havlik, Kokoska, et al., 2006 | 30. m/0.25 mm/0.25 μm, He, 3. K/min, 250. C @ 10. min; Tstart: 50. C |
Capillary | DB-5 | 1250. | Mirza, Navaei, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium, 50. C @ 5. min, 3. K/min; Tend: 250. C |
Capillary | SPB-5 | 1250. | Pino, Marquez, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 4. K/min, 250. C @ 20. min |
Capillary | HP-5 MS | 1236. | Tigrine-Kordiani, Meklati, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 8. min, 2. K/min, 250. C @ 15. min |
Capillary | HP-5 | 1258. | Figuérédo, Cabassu, et al., 2005 | 30. m/0.25 mm/0.25 μm, He, 50. C @ 5. min, 5. K/min, 300. C @ 5. min |
Capillary | DB-5 | 1248. | Sefidkon and Jamzad, 2005 | He, 4. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tstart: 40. C; Tend: 240. C |
Capillary | DB-5 | 1252. | Skoula and Grayer, 2005 | 30. m/0.25 mm/0.25 μm, He, 3. K/min, 230. C @ 20. min; Tstart: 60. C |
Capillary | HP-5MS | 1244. | Hajhashemi V., Ghannadi A., et al., 2004 | 30. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 60. C; Tend: 275. C |
Capillary | DB-5 | 1242. | Marongiu, Porcedda, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 3. K/min, 280. C @ 30. min; Tstart: 60. C |
Capillary | DB-1 | 1226. | Rasooli and Mirmostafa, 2003 | 60. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 220. C |
Capillary | SPB-5 | 1245. | Cornu, Carnat, et al., 2001 | He, 40. C @ 5. min, 3. K/min, 220. C @ 15. min; Column length: 60. m; Column diameter: 0.32 mm |
Capillary | HP-101 | 1220. | Milso, Mastelic, et al., 1998 | 25. m/0.2 mm/0.2 μm, He, 70. C @ 2. min, 3. K/min, 200. C @ 10. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 1249. | Cao, Li, et al., 2011 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
Capillary | HP-5 | 1276. | Jordan, Martinez, et al., 2006 | 30. m/0.25 mm/0.25 μm, He; Program: 60C(4min) => 1C/min => 64C => 2.5C/min => 155C => 5C/min => 250C |
Capillary | DB-1 | 1210. | Belhattab, Larous, et al., 2005 | 30. m/0.25 mm/0.25 μm, He; Program: 45C => 3C/min => 175C => 15C/min => 300C(10min) |
Capillary | HP-5 | 1276. | Sotomayor, Martínez, et al., 2004 | 30. m/0.25 mm/0.25 μm, He; Program: 60C(4min) => 1C/min => 64C => 2.5C/min => 155C => 5C/min => 250C |
Capillary | HP-5 | 1276. | Jordán, Martínez, et al., 2003 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (4min) => 1C/min => 64C => 2.5C/min => 155C => 5C/min => 250C |
Capillary | CP Sil 5 CB | 1228. | Weyerstahl, Marschall, et al., 1997 | N2; Column length: 25. m; Program: not specified |
References
Go To: Top, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hazzit, Baaliouamer, et al., 2006
Hazzit, M.; Baaliouamer, A.; Faleiro, M.L.; Miguel, M.G.,
Composition of the Essential Oils of Thymus and Origanum Species from Algeria and Their Antioxidant and Antimicrobial Activities,
J. Agric. Food Chem., 2006, 54, 17, 6314-6321, https://doi.org/10.1021/jf0606104
. [all data]
Bendahou, Muselli, et al., 2008
Bendahou, M.; Muselli, A.; Grignon-Dubois, M.; Benyoucef, M.; Desjobert, J.-M.; Bernardini, A.-F.; Costa, J.,
Antimicrobial activity and chemical composition of Origanum glandulosum Desf. essential oil and extract obtained by microwave extraction: Comparison with hydrodistillation,
Food Chem., 2008, 106, 1, 132-139, https://doi.org/10.1016/j.foodchem.2007.05.050
. [all data]
Benkaci-Ali, Baaliouamer, et al., 2007
Benkaci-Ali, F.; Baaliouamer, A.; Meklati, B.Y.; Chemat, F.,
Chemical composition of seed essential oils from Algerian Nigella sativa extracted by microwave and hydrodistillation,
Flavour Fragr. J., 2007, 22, 2, 148-153, https://doi.org/10.1002/ffj.1773
. [all data]
Senatore, Lentini, et al., 2003
Senatore, F.; Lentini, F.; Venza, F.; Bruno, M.; Napolitano, F.,
Composition and antibacterial activity of the essential oil of Anisochilus carnosus (Linn. fil.) Benth., a Tamil plant acclimatized in Sicily,
Flavour Fragr. J., 2003, 18, 3, 202-204, https://doi.org/10.1002/ffj.1183
. [all data]
Economakis, Skaltsa, et al., 2002
Economakis, C.; Skaltsa, H.; Demetzos, C.; Sokovic, M.; Thanos, C.A.,
Effect of phosphorus concentration of the nutrient solution on the volatile constituents of leaves and bracts of Origanum dictamnus,
J. Agric. Food Chem., 2002, 50, 22, 6276-6280, https://doi.org/10.1021/jf0203444
. [all data]
Hudaib, Speroni, et al., 2002
Hudaib, M.; Speroni, E.; di Pietra, A.M.; Cavrini, V.,
GC/MS evaluation of thyme (Thymus vulgaris L.) oil composition and variations during the vegetative cycle,
J. Pharm. Biomed. Anal., 2002, 29, 4, 691-700, https://doi.org/10.1016/S0731-7085(02)00119-X
. [all data]
Milos and Radonic, 2000
Milos, M.; Radonic, A.,
Gas chromatography mass spectral analysis of free and glycosidically bound volatile compounds from Juniperus oxycedrus L. growing wild in Croatia,
Food Chem., 2000, 68, 3, 333-338, https://doi.org/10.1016/S0308-8146(99)00192-2
. [all data]
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]
Jordan, Martinez, et al., 2006
Jordan, M.J.; Martinez, R.M.; Goodner, K.L.; Baldwin, E.A.; Sotomayor, J.A.,
Seasonal variation of Thymus hyemalis Lange and Spanish Thymus vulgaris L. essential oils composition,
Ind. Crops Prod., 2006, 24, 3, 253-263, https://doi.org/10.1016/j.indcrop.2006.06.011
. [all data]
Belhattab, Larous, et al., 2005
Belhattab, R.; Larous, L.; Figueiredo, A.C.; Santos, P.A.G.; Barroso, J.G.; Pedro, L.G.,
Origanum glandulosum Desf. grown wild in Algeria: essential oil composition and glycosidic bound volatiles,
Flavour Fragr. J., 2005, 20, 2, 209-212, https://doi.org/10.1002/ffj.1387
. [all data]
Sotomayor, Martínez, et al., 2004
Sotomayor, J.A.; Martínez, R.M.; García, A.J.; Jordán, M.J.,
Thymus zygis Subsp. Gracilis: watering level effect on phytomass production and essential oil quality,
J. Agric. Food Chem., 2004, 52, 17, 5418-5424, https://doi.org/10.1021/jf0496245
. [all data]
Jordán, Martínez, et al., 2003
Jordán, M.J.; Martínez, R.M.; Cases, M.A.; Sotomayor. J.A.,
Watering level effect on Thymus hyemalis lange essential oil yield and composition,
J. Agric. Food Chem., 2003, 51, 18, 5420-5427, https://doi.org/10.1021/jf034335m
. [all data]
Weyerstahl, Marschall, et al., 1997
Weyerstahl, P.; Marschall, H.; Seelmann, I.; Kaul, V.K.,
Constituents of the flower essential oil of Ageratina adenophora (Spreng.) K. et R. from India,
Flavour Fragr. J., 1997, 12, 6, 387-396, https://doi.org/10.1002/(SICI)1099-1026(199711/12)12:6<387::AID-FFJ677>3.0.CO;2-F
. [all data]
Notes
Go To: Top, IR Spectrum, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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