1H-3a,7-Methanoazulene, 2,3,4,7,8,8a-hexahydro-3,6,8,8-tetramethyl-, [3R-(3α,3aβ,7β,8aα)]-
- Formula: C15H24
- Molecular weight: 204.3511
- IUPAC Standard InChI: InChI=1S/C15H24/c1-10-7-8-15-9-12(10)14(3,4)13(15)6-5-11(15)2/h7,11-13H,5-6,8-9H2,1-4H3/t11-,12+,13+,15+/m0/s1
- IUPAC Standard InChIKey: IRAQOCYXUMOFCW-KYEXWDHISA-N
- CAS Registry Number: 469-61-4
- 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. - Stereoisomers:
- Other names: Cedr-8-ene; α-Cedrene; (3R,3aS,7S,8aS)-3,6,8,8-Tetramethyl-2,3,4,7,8,8a-hexahydro-1H-3a,7-methanoazulene; (-)-α-Cedrene; [3R-(3α,3aβ,7β,8aα)]-2,3,4,7,8,8a-hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulene
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Van Den Dool and Kratz RI, 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 | RTX-Wax | BP-20 | HP-Wax | BP-20 | DB-Wax |
| Column length (m) | 60. | 50. | 30. | 50. | 60. |
| Carrier gas | He | He | N2 | He | N2 |
| Substrate | |||||
| Column diameter (mm) | 0.22 | 0.22 | 0.25 | 0.22 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Tstart (C) | 60. | 60. | 60. | 60. | 70. |
| Tend (C) | 230. | 220. | 220. | 220. | 230. |
| Heat rate (K/min) | 2. | 2. | 5. | 2. | 2. |
| Initial hold (min) | 10. | 2. | |||
| Final hold (min) | 45. | 20. | 20. | 20. | |
| I | 1566. | 1565. | 1568. | 1570. | 1571. |
| Reference | Cavalli, Tomi, et al., 2006 | Duquesnoy, Dinh, et al., 2006 | Flamini, Tebano, et al., 2006 | Gonny, Cavaleiro, et al., 2006 | Njoroge, Koaze, et al., 2005 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | DB-Wax | BP-20 | RTX-Wax | DB-Wax | DB-Wax |
| Column length (m) | 30. | 50. | 60. | 60. | 60. |
| Carrier gas | N2 | He | N2 | He | |
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.22 | 0.22 | 0.25 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Tstart (C) | 60. | 60. | 60. | 70. | 50. |
| Tend (C) | 220. | 220. | 230. | 230. | 180. |
| Heat rate (K/min) | 5. | 2. | 2. | 2. | 2.5 |
| Initial hold (min) | 10. | 2. | 5. | ||
| Final hold (min) | 20. | 45. | 20. | ||
| I | 1579. | 1565. | 1562. | 1574. | 1599. |
| Reference | Bertoli, Menichini, et al., 2004 | Gonny, Bradesi, et al., 2004 | Cavalli, Tomi, et al., 2003 | Choi and Sawamura, 2000 | Stashenko, Prada, et al., 1996 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary |
|---|---|
| Active phase | Carbowax 20M |
| Column length (m) | 60. |
| Carrier gas | He |
| Substrate | |
| Column diameter (mm) | 0.32 |
| Phase thickness (μm) | 0.425 |
| Tstart (C) | 45. |
| Tend (C) | 300. |
| Heat rate (K/min) | 3. |
| Initial hold (min) | 3. |
| Final hold (min) | 20. |
| I | 1576. |
| Reference | Mondello, Dugo, et al., 1995 |
| Comment | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz 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.
Cavalli, Tomi, et al., 2006
Cavalli, J.-F.; Tomi, F.; Bernardini, A.-F.; Casanova, J.,
Chemical variability of the essential oil of Helichrysum faradifani Sc. Ell. from Madagascar,
Flavour Fragr. J., 2006, 21, 1, 111-114, https://doi.org/10.1002/ffj.1531
. [all data]
Duquesnoy, Dinh, et al., 2006
Duquesnoy, E.; Dinh, N.H.; Castola, V.; Casanova, J.,
Composition of a Pyrolytic oil from Cupressus funebris Endl. of Vietnamese origin,
Flavour Fragr. J., 2006, 21, 3, 453-457, https://doi.org/10.1002/ffj.1676
. [all data]
Flamini, Tebano, et al., 2006
Flamini, G.; Tebano, M.; Cioni, P.L.; Bagci, Y.; Dural, H.; Ertugrul, K.; Uysal, T.; Savran, A.,
A multivariate statistical approach to Centaurea classification using essential oil composition data of some species from Turkey,
Pl. Syst. Evol., 2006, 261, 1-4, 217-228, https://doi.org/10.1007/s00606-006-0448-3
. [all data]
Gonny, Cavaleiro, et al., 2006
Gonny, M.; Cavaleiro, C.; Salgueiro, L.; Casanova, J.,
Analysis of Juniperus communis subsp. alpina needle, berry, wood and root oils by combination of GC, GC/MS and 13C-NMR,
Flavour Fragr. J., 2006, 21, 1, 99-106, https://doi.org/10.1002/ffj.1527
. [all data]
Njoroge, Koaze, et al., 2005
Njoroge, S.M.; Koaze, H.; Karanja, P.N.; Sawamura, M.,
Volatile Constituents of Redblush Grapefruit ( Citrus paradisi) and Pummelo ( Citrus grandis) Peel Essential Oils from Kenya,
J. Agric. Food Chem., 2005, 53, 25, 9790-9794, https://doi.org/10.1021/jf051373s
. [all data]
Bertoli, Menichini, et al., 2004
Bertoli, A.; Menichini, F.; Noccioli, C.; Morelli, I.; Pistelli, L.,
Volatile constituents of different organs of Psoralea bituminosa L.,
Flavour Fragr. J., 2004, 19, 2, 166-171, https://doi.org/10.1002/ffj.1315
. [all data]
Gonny, Bradesi, et al., 2004
Gonny, M.; Bradesi, P.; Casanova, J.,
Identification of the components of the essential oil from wild Corsican Daucus carota L. using 13C-NMR spectroscopy,
Flavour Fragr. J., 2004, 19, 5, 424-433, https://doi.org/10.1002/ffj.1330
. [all data]
Cavalli, Tomi, et al., 2003
Cavalli, J.-F.; Tomi, F.; Bernardini, A.-F.; Casanova, J.,
Composition and chemical variability of the bark oil of Cedrelopsis grevei H. Baillon from Madagascar,
Flavour Fragr. J., 2003, 18, 6, 532-538, https://doi.org/10.1002/ffj.1263
. [all data]
Choi and Sawamura, 2000
Choi, H.-S.; Sawamura, M.,
Composition of the essential oil of Citrus tamurana Hort. ex Tanaka (Hyuganatsu),
J. Agric. Food Chem., 2000, 48, 10, 4868-4873, https://doi.org/10.1021/jf000651e
. [all data]
Stashenko, Prada, et al., 1996
Stashenko, E.E.; Prada, N.Q.; Martínez, J.R.,
HRGC/FID/NP and HRGC/MSD study of Colombian Ylang-Ylang (Cananga odorata) oils obtained by different extraction techniques,
J. Hi. Res. Chromatogr., 1996, 19, 6, 353-358, https://doi.org/10.1002/jhrc.1240190609
. [all data]
Mondello, Dugo, et al., 1995
Mondello, L.; Dugo, P.; Basile, A.; Dugo, G.,
Interactive use of linear retention indices, on polar and apolar columns, with a MS-library for reliable identification of complex mixtures,
J. Microcolumn Sep., 1995, 7, 6, 581-591, https://doi.org/10.1002/mcs.1220070605
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz 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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