1H-Benzocycloheptene, 2,4a,5,6,7,8-hexahydro-3,5,5,9-tetramethyl-, (R)-
- Formula: C15H24
- Molecular weight: 204.3511
- IUPAC Standard InChI: InChI=1S/C15H24/c1-11-7-8-13-12(2)6-5-9-15(3,4)14(13)10-11/h10,14H,5-9H2,1-4H3/t14-/m1/s1
- IUPAC Standard InChIKey: LCOSCMLXPAQCLQ-CQSZACIVSA-N
- CAS Registry Number: 1461-03-6
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: β-Himachalene; 1H-Benzocycloheptene, 2,4aβ,5,6,7,8-hexahydro-3,5,5,9-tetramethyl-, (+)-; (+)-β-Himachalene; 3,5,5,9-Tetramethyl-2,4a,5,6,7,8-hexahydro-1H-benzo[a]cycloheptene-, (R)-; 1H-Benzocycloheptene, 2,4a,5,6,7,8-hexahydro-3,5,5,9-tetramethyl-, (4aR)-; (R)-3,5,5,9-Tetramethyl-2,4a,5,6,7,8-hexahydro-1H-benzo[7]annulene; 19888-28-9; Himachalene; (-)-β-himachalene
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Kovats' 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 |
|---|---|---|---|
| Active phase | CP Sil 8 CB | SE-54 | SE-30 |
| Column length (m) | 30. | 30. | 25. |
| Carrier gas | H2 | He | |
| Substrate | |||
| Column diameter (mm) | 0.25 | 0.26 | 0.2 |
| Phase thickness (μm) | 0.25 | 0.25 | |
| Tstart (C) | 50. | 60. | 60. |
| Tend (C) | 220. | 246. | 180. |
| Heat rate (K/min) | 3. | 3. | 3. |
| Initial hold (min) | 2. | 10. | |
| Final hold (min) | |||
| I | 1498. | 1499. | 1517. |
| Reference | Schwob, Bessiere, et al., 2004 | Adams, 2000 | Jantan I. and Ahmad A.S., 1999 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Kovats' 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.
Schwob, Bessiere, et al., 2004
Schwob, I.; Bessiere, J.-M.; Masotti, V.; Viano, J.,
Changes in essential oil composition in Saint John's wort (Hypericum perforatum L.) aerial parts during its phenological cycle,
Biochem. Syst. Ecol., 2004, 32, 8, 735-745, https://doi.org/10.1016/j.bse.2003.12.005
. [all data]
Adams, 2000
Adams, R.P.,
Systematics of the one seeded Juniperus of the eastern hemisphere based on leaf essential oils and random amplified polymorphic DNAs (RAPDs),
Biochem. Syst. Ecol., 2000, 28, 6, 529-543, https://doi.org/10.1016/S0305-1978(99)00096-4
. [all data]
Jantan I. and Ahmad A.S., 1999
Jantan I.; Ahmad A.S.,
Oleoresins of three pinus species from malaysian pine plantations,
ASEAN Review of BiodiversityEnvironment Conservation, 1999, November-December, 1-9. [all data]
Notes
Go To: Top, Kovats' 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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