2,4-Cycloheptadien-1-one, 2,6,6-trimethyl-
- Formula: C10H14O
- Molecular weight: 150.2176
- IUPAC Standard InChI: InChI=1S/C10H14O/c1-8-5-4-6-10(2,3)7-9(8)11/h4-6H,7H2,1-3H3
- IUPAC Standard InChIKey: QNGQIURXCUHNAT-UHFFFAOYSA-N
- CAS Registry Number: 503-93-5
- 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: Eucarvone; 2,6,6-Trimethyl-2,4-cycloheptadien-1-one
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Gas phase ion energetics data
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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 9.62 | EI | Bunau, Schade, et al., 1967 |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C9H11O+ | 11.1 | CH3 | EI | Bunau, Schade, et al., 1967 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 1248. | Quijano, Salamanca, et al., 2007 | 30. m/0.25 mm/0.25 μm, He, 50. C @ 4. min, 4. K/min, 250. C @ 10. min |
| Capillary | HP-5MS | 1245. | Pino, Mesa, et al., 2005 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 2. min, 4. K/min, 250. C @ 20. min |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | BPX-5 | 1233. | Cardeal, da Silva, et al., 2006 | 30. m/0.25 mm/0.25 μm; Program: 35C(5min) => 3C/min => 210C => 40C/min => 240C (4min) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 1222.7 | Leffingwell and Alford, 2005 | 60. m/0.32 mm/0.25 μm, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 MS | 1243. | Jalali-Heravi, Parastar, et al., 2009 | 60. m/0.25 mm/0.25 μm, Helium; Program: 60 0C ( 1 min) 5 0C/min -> 200 0C (1 min) 20 0C/min -> 280 0C (21 min) |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bunau, Schade, et al., 1967
Bunau, G.v.; Schade, G.; Gollnick, K.,
Massenspektrometrische Untersuchungen von Terpenen. I.Monoterpenaldehyde und -ketone,
Z. Anal. Chem., 1967, 227, 173. [all data]
Quijano, Salamanca, et al., 2007
Quijano, C.E.; Salamanca, G.; Pino, J.A.,
Aroma volatile constituents of Colombian varieties of mango (Mangifera indica L.),
Flavour Fragr. J., 2007, 22, 5, 401-406, https://doi.org/10.1002/ffj.1812
. [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]
Cardeal, da Silva, et al., 2006
Cardeal, Z.L.; da Silva, M.D.R.G.; Marriott, P.J.,
Comprehensive two-dimensional gas chromatography/mass spectrometric analysis of pepper volatiles,
Rapid Commun. Mass Spectrom., 2006, 20, 19, 2823-2836, https://doi.org/10.1002/rcm.2665
. [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]
Jalali-Heravi, Parastar, et al., 2009
Jalali-Heravi, M.; Parastar, H.; Ebrahimi-Najafabadi, H.,
Chracterization of volatile components of Iranian saffron using factorial-based response surface modeling of ultrasonic extraction combined with gas chromatography - mass spectrometry analysis,
J. Chromatogr. A, 2009, 1216, 33, 6088-6097, https://doi.org/10.1016/j.chroma.2009.06.067
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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