2,6,6-Trimethyl-2-cyclohexene-1,4-dione

• Formula: C₉H₁₂O₂
• Molecular weight: 152.1904
• IUPAC Standard InChI: InChI=1S/C9H12O2/c1-6-4-7(10)5-9(2,3)8(6)11/h4H,5H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: AYJXHIDNNLJQDT-UHFFFAOYSA-N Copy
• CAS Registry Number: 1125-21-9
• 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-Cyclohexene-1,4-dione, 2,6,6-trimethyl-; 4-Oxoisophorone; 2,2,6-trimethylcyclohex-2-en-1,4-dione; 2,6,6-Trimethyl-2-cyclohexen-1,4-dione; 2,6,6-trimethylcyclohex-2-ene-1,4-dione; 2-Cyclohexen-1,4-dione, 2,6,6-trimethyl; 3,5,5-trimethyl-2-cyclohexene-1,4-dione; 3,5,5-Trimethylcyclohex-2-en-1,4-dione; 3,5,5-trimethylcyclohex-2-ene-1,4-dione; 4-Ketoisophorone; Ketoisophorone; Oxoisophorone; Oxopholone; 4-Oxo-α-isophorone; Oxophorone; Cyclohexen-1,4-dione, 2,6,6-trimethyl; 2,6,6-Trimethylcyclohex-2-en-1,4-dione; 2,2,6-Trimethylcyclohex-2-en-1,4-dione (4-oxoisophorone); 2,6,6-Trimethy-2-cyclohexene-1,4-dione (4-oxoisophorone); 2,2,6-trimethyl-2-cyclohexene-1,4-dione (cetoisophorone); 2,6,6-Trimethyl-2-cyclohexane-1,4-diene
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• Information on this page:
  • Phase change data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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Phase change data

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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: Robert L. Brown and Stephen E. Stein

Reduced pressure boiling point

Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

Gas Chromatography

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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

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Van Den Dool and Kratz RI, polar column, temperature ramp

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Van Den Dool and Kratz RI, polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Pang T., Zhu S., et al., 2007
Pang T.; Zhu S.; Lu X.; Xu G., Identification of unknown compounds on the basis of retention index data in comprehensive two-dimensional gas chromatography, J. Sep. Sci., 2007, 30, 6, 868-874, https://doi.org/10.1002/jssc.200600471 . [all data]

Xian Q., Chen H., et al., 2006
Xian Q.; Chen H.; Zou H.; Yin D., Chemical composition of essential oils of two submerged macrophytes, Ceratophyllum demersum L. and Vallisneria spiralis L., Flavour Fragr. J., 2006, 21, 3, 524-526, https://doi.org/10.1002/ffj.1588 . [all data]

Alves, Pinto, et al., 2005
Alves, R.J.V.; Pinto, A.C.; da Costa, A.V.M.; Rezende, C.M., Zizyphus mauritiana Lam. (Rhamnaceae) and the chemical composition of its floral fecal odor, J. Braz. Chem. Soc., 2005, 16, 3B, 654-656, https://doi.org/10.1590/S0103-50532005000400027 . [all data]

Pino, Mesa, et al., 2005
Pino, J.A.; Mesa, J.; Muñoz, Y.; Martí, M.P.; Marbot, R., Volatile components from mango (Mangifera indica L.) cultivars, J. Agric. Food Chem., 2005, 53, 6, 2213-2223, https://doi.org/10.1021/jf0402633 . [all data]

Píno, Marbot, et al., 2004
Píno, J.A.; Marbot, R.; Vázquez, C., Volatile components of the fruits of Vangueria madagascariensis J. F. Gmel. from Cuba, J. Essent. Oil Res., 2004, 16, 4, 302-304, https://doi.org/10.1080/10412905.2004.9698727 . [all data]

Lalel, Singh, et al., 2003
Lalel, H.J.D.; Singh, Z.; Chye Tan, S., Glycosidically-bound aroma volatile compounds in the skin and pulp of 'Kensington Pride' mango fruit at different stages of maturity, Postharvest Biol. Technol., 2003, 29, 2, 205-218, https://doi.org/10.1016/S0925-5214(02)00250-8 . [all data]

Pino, Almora, et al., 2003
Pino, J.; Almora, K.; Marbot, R., Volatile components of papaya (Carica papaya L., maradol variety) fruit, Flavour Fragr. J., 2003, 18, 6, 492-496, https://doi.org/10.1002/ffj.1248 . [all data]

Tan, Wilkins, et al., 1989
Tan, S.T.; Wilkins, A.L.; Holland, P.T.; McGhie, T.K., Extractives from New Zealand unifloral honeys. 2. Degraded carotenoids and other substances from heather honey, J. Agric. Food Chem., 1989, 37, 5, 1217-1221, https://doi.org/10.1021/jf00089a004 . [all data]

Sing, Smadja, et al., 1992
Sing, A.S.C.; Smadja, J.; Brevard, H.; Maignial, L.; Chaintreau, A.; Marion, J.-P., Volatile constituents of faham (Jumellea fragrans (Thou.) Schltr.), J. Agric. Food Chem., 1992, 40, 4, 642-646, https://doi.org/10.1021/jf00016a024 . [all data]

Ledauphin, Basset, et al., 2006
Ledauphin, J.; Basset, B.; Cohen, S.; Payot, T.; Barillier, D., Identification of trace volatile compounds in freshly distilled Calvados and Cognac: Carbonyl and sulphur compounds, J. Food Comp. Anal., 2006, 19, 1, 28-40, https://doi.org/10.1016/j.jfca.2005.03.001 . [all data]

Cros, Lignot, et al., 2005
Cros, S.; Lignot, B.; Bourseau, P.; Jaouen, P.; Prost, C., Desalination of mussel cooking juices by electrodialysis: effect on the aroma profile, J. Food Eng., 2005, 69, 4, 425-436, https://doi.org/10.1016/j.jfoodeng.2004.08.036 . [all data]

Verzera, Campisi, et al., 2005
Verzera, A.; Campisi, S.; Zappalá, M., SUPELCO. Using SPME-GC-MS to characterize volatile components of honey as indicators of botanical origin, 2005, retrieved from http://www.sigmaaldrich.com/Brands/Supelco_Home/TheReporter.html. [all data]

Ledauphin, Saint-Clair, et al., 2004
Ledauphin, J.; Saint-Clair, J.-F.; Lablanquie, O.; Guichard, H.; Founier, N.; Guichard, E.; Barillier, D., Identification of trace volatile compounds in freshly distilled calvados and cognac using preparative separations coupled with gas chromatography-mass spectrometry, J. Agric. Food Chem., 2004, 52, 16, 5124-5134, https://doi.org/10.1021/jf040052y . [all data]

Cros, Vandanjon, et al., 2003
Cros, S.; Vandanjon, L.; Jaouen, P.; Bourseau, P., Processing of industrial mussel cooking juices by reverse osmosis: pollution abatement and aromas recovery, 2003, retrieved from http://www.membrane.unsw.edu.au/imstec03/content/papers/DAI/imstec064.pdf. [all data]

Verzera, Campisi, et al., 2001
Verzera, A.; Campisi, S.; Zappalá, M.; Bonaccorsi, I., SPME-GC-MS analysis of honey volatile components for the characterization of different floral origin, Am. Lab. Fairfield Conn., 2001, 33, 15, 18-21. [all data]

Wirth, Guo, et al., 2001
Wirth, J.; Guo, W.; Baumes, R.; Günata, Z., Volatile compounds released by enzymatic hydrolysis of glycoconjugates of leaves and grape berries from Vitis vinifera muscat of Alexandria and Shiraz cultivars, J. Agric. Food Chem., 2001, 49, 6, 2917-2923, https://doi.org/10.1021/jf001398l . [all data]

Le Guen, Prost, et al., 2000
Le Guen, S.; Prost, C.; Demaimay, M., Characterization of odorant compounds of mussels (Mytilus edulis) according to their origin using gas chromatography-olfactometry and gas chromatography-mass spectrometry, J. Chromatogr. A, 2000, 896, 1-2, 361-371, https://doi.org/10.1016/S0021-9673(00)00729-9 . [all data]

Cantergiani, Brevard, et al., 2001
Cantergiani, E.; Brevard, H.; Krebs, Y.; Feria-Morales, A.; Amadò, R.; Yeretzian, C., Characterisation of the aroma of green Mexican coffee and identification of mouldy/earthy defect, Eur. Food Res. Technol., 2001, 212, 6, 648-657, https://doi.org/10.1007/s002170100305 . [all data]

Radulovic, Blagojevic, et al., 2010
Radulovic, N.; Blagojevic, P.; Palic, R., Comparative study of the leaf volatiles of Arctostaphylos uva-ursi (L.) Spreng. and Vaccinium vitis-idaea L. (Ericaceae), Molecules, 2010, 15, 9, 6168-6185, https://doi.org/10.3390/molecules15096168 . [all data]

Radulovic, Dordevic, et al., 2010
Radulovic, N.; Dordevic, N.; Markovic, M.; Palic, R., Volatile constituents of Glechoma Hirsuta Waldst. Kit. and G. Hederacea L. (Lamiaceae), Bull. Chem. Soc. Ethiop., 2010, 24, 1, 67-76, https://doi.org/10.4314/bcse.v24i1.52962 . [all data]

Kim and Chung, 2009
Kim, J.-S.; Chung, H.Y., GC-MS analysis of the volatile components in dried boxthorn (Lycium chimensis) Fruit, J. Korean Soc. Appl. Biol. Chem., 2009, 52, 5, 516-524, https://doi.org/10.3839/jksabc.2009.088 . [all data]

Frerot, Velluz, et al., 2008
Frerot, E.; Velluz, A.; Bagnoud, A.; Delort, E., Analysis of the volatile constituents of cooked petai beans (Parkia speciosa) using high-resolution GC/TOF-MS, Flav. Fragr. J., 2008, 23, 6, 434-440, https://doi.org/10.1002/ffj.1902 . [all data]

Füssel, Dötterl, et al., 2007
Füssel, U.; Dötterl, S.; Jürgens, A.; Aas, G., Inter- and intraspecific variation in floral scent in the genus Salix and its implication for pollination, J. Chem. Ecol., 2007, 33, 4, 749-765, https://doi.org/10.1007/s10886-007-9257-6 . [all data]

Pino, Marbot, et al., 2006
Pino, J.A.; Marbot, R.; Payo, A.; Chao, D.; Herrera, P., Aromatic Plants from Western Cuba VII. Composition of the Leaf Oil of Psidium wrightii KRug et Urb., Lantana involucrata L., Cinnamonum montanum (Sw.) Berchtold et J. Persl. and Caesalpinia violacea (Mill.) Standley, J. Essent. Oil. Res., 2006, 18, 2, 170-174, https://doi.org/10.1080/10412905.2006.9699058 . [all data]

Dötterl, Wolfe, et al., 2005
Dötterl, S.; Wolfe, L.M.; Jürgens, A., Qualitative and quantitative analyses of flower scent in Silene latifolia, Phytochemistry, 2005, 66, 2, 203-213, https://doi.org/10.1016/j.phytochem.2004.12.002 . [all data]

Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]

Utsunomia, Kawata, et al., 2005
Utsunomia, H.; Kawata, J.; Chanoki, W.; Shirakawa, N.; Miyazawa, M., Components of Essential Oil from Woods of Prunus mume Sieb. at Zucc., J. Oleo Sci., 2005, 54, 11, 609-612, https://doi.org/10.5650/jos.54.609 . [all data]

Kobaisy, Tellez, et al., 2002
Kobaisy, M.; Tellez, M.R.; Dayan, F.E.; Duke, S.O., Phytotoxicity and volatile constituents from leaves of Callicarpa japonica Thunb., Phytochemistry, 2002, 61, 1, 37-40, https://doi.org/10.1016/S0031-9422(02)00207-8 . [all data]

Tellez, Dayan, et al., 2000
Tellez, M.R.; Dayan, F.E.; Schrader, K.K.; Wedge, D.E.; Duke, S.O., Composition and some biological activities of the essential oils of Callicarpa Americana (L.), J. Agric. Food Chem., 2000, 48, 7, 3008-3012, https://doi.org/10.1021/jf991026g . [all data]

Kurashov, Mitrukova, et al., 2014
Kurashov, E.A.; Mitrukova, G.G.; Krylova, Yu.V., Variations in the component composition of essential oil of Ceratophyllum demersum (Ceratophyllaceae) during vegetation (in press), Plant Resources (Rastitel'nye Resursy), 2014, 1, 000-000. [all data]

Mondello, 2012
Mondello, L., HS-SPME-GCxGC-MS analysis of Yerba Mate (Ilex paraguariensis) in Shimadzu GC-GC application compendium of comprehensive 2D GC, Vol. 1-5, Shimadzu Corp., 2012, 1-29. [all data]

Robinson, Adams, et al., 2012
Robinson, A.L.; Adams, D.O.; Boss, P.K.; Heymann, H.; Solomon, P.S.; Trengove, R.D., Influence of geographic origine on the sensory characteristics and wine composition of Vitus viniferas cv. Cabernet Sauvignon wines from Australia (Supplemental data), Am. J. Enol. Vitic., 2012, 64, 4, 467-476, https://doi.org/10.5344/ajev.2012.12023 . [all data]

Costa, De Fina, et al., 2008
Costa, R.; De Fina, M.R.; Valentino, M.R.; Rustaiyan, A.; Dugo, P.; Dugo, G.; Mondello, L., An investigation on the volatile composition of some Artemisia species from Iran, Flavour Fragr. J., 2008, 24, 2, 75-82, https://doi.org/10.1002/ffj.1919 . [all data]

Chuang, Lee, et al., 2007
Chuang, P.-H.; Lee, C.-W.; Chou, J.-Y.; Murugan, M.; Shieh, B.-J.; Chen, H.-M., Anti-fungal activity of crude extracts and essential oil of Moringa oleifera Lam, Bioresource Technol., 2007, 98, 1, 232-236, https://doi.org/10.1016/j.biortech.2005.11.003 . [all data]

Meekijjaroenroj, Bessière, et al., 2007
Meekijjaroenroj, A.; Bessière, J.-M.; Anstett, M.-C., Chemistry of floral scents in four Licuala species (Arecaceae), Flavour Fragr. J., 2007, 22, 4, 300-310, https://doi.org/10.1002/ffj.1797 . [all data]

Xian, Chen, et al., 2006
Xian, Q.-M.; Chen, H.-D.; Zou, H.-H., Allelopathic activity of volatile substance from submerged macrophytes on Microcystin aeruginosa, Acta Ecologica Sinica, 2006, 26, 11, 3549-3554, https://doi.org/10.1016/S1872-2032(06)60054-1 . [all data]

Soria, Sanz, et al., 2008
Soria, A.C.; Sanz, J.; Martinez-Castro, I., SPME followed by GC-MS: a powerful technique for qualitative analysis of honey volatiles, Eur. Food Res. Technol., 2008, 1-12. [all data]

Cros, Vandanjon, et al., 2007
Cros, S.; Vandanjon, L.; Jaouen, P.; Bourseau, P., Processing of Industrial Mussel Cooking Juices by Reverse Osmotis: Pollution Abatement and Aromas Recovery, 2007, retrieved from title of Internet file: [imstec064]. [all data]

de la Fuente, Martinez-Castro, et al., 2005
de la Fuente, E.; Martinez-Castro, I.; Sanz, J., Characterization of Spanish unifloral honeys by solid phase microextraction and gas chromatography-mass spectrometry, J. Sep. Sci., 2005, 28, 9-10, 1093-1100, https://doi.org/10.1002/jssc.200500018 . [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, Kobayashi, et al., 1993
Kawakami, M.; Kobayashi, A.; Kator, K., Volatile constituents of Rooibos tea (Aspalathus linearis) as affected by extraction process, J. Agric. Food Chem., 1993, 41, 4, 633-636, https://doi.org/10.1021/jf00028a023 . [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]

Kanasawud and Crouzet, 1990
Kanasawud, P.; Crouzet, J.C., Mechanism of formation of volatile compounds by thermal degradation of carotenoids in aqueous medium. 1. β-Carotene degradation, J. Agric. Food Chem., 1990, 38, 1, 237-243, https://doi.org/10.1021/jf00091a052 . [all data]

Soria, Martinez-Castro, et al., 2008
Soria, A.C.; Martinez-Castro, I.; Sanz, J., Some aspects of dynamic headspace analysis of volatile components in honey, Foog Res. International, 2008, 41, 8, 838-848, https://doi.org/10.1016/j.foodres.2008.07.010 . [all data]

Pontes, Marques, et al., 2007
Pontes, M.; Marques, J.C.; Camara, J.S., Screening of volatile composition from Portuguese multifloral honeys using headspace solid-phase microextraction-gas chromatography-quadrupole mass spectrometry, Talanta, 2007, 74, 1, 91-103, https://doi.org/10.1016/j.talanta.2007.05.037 . [all data]

Editorial paper, 2005
Editorial paper, Solid Phase Microextraction (SPME) Application Guide, The Reporter Europe (Supelco), 2005, 16, 5, 12-12. [all data]

Piasenzotto, Gracco, et al., 2003
Piasenzotto, L.; Gracco, L.; Conte, L., Solid phase microextraction (SPME) applied to honey quality control, J. Sci. Food Agric., 2003, 83, 10, 1037-1044, https://doi.org/10.1002/jsfa.1502 . [all data]

Rogerson, Castro, et al., 2001
Rogerson, F.S.S.; Castro, H.; Fortunato, N.; Azevedo, Z.; Macedo, A.; de Freitas, V.A.P., Chemicals with sweet aroma descriptors found in Portuguese wines from the Douro region: 2,6,6-trimethylcyclohex-2-ene-1,4-dione and diacetyl, J. Agric. Food Chem., 2001, 49, 1, 263-269, https://doi.org/10.1021/jf000948c . [all data]

Notes

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  Tboil

  Boiling point

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