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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Normal alkane 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 | HP-Innowax | CP-Wax 52CB | ZB-Wax | CP-Wax 52CB | HP-20M |
| Column length (m) | 30. | 30. | 30. | 60. | 25. |
| Carrier gas | Nitrogen | He | Helium | He | Helium |
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.32 | 0.32 | 0.25 | 0.20 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Tstart (C) | 50. | 40. | 40. | 40. | 60. |
| Tend (C) | 280. | 220. | 250. | 220. | 200. |
| Heat rate (K/min) | 5. | 4. | 5. | 3. | 3. |
| Initial hold (min) | 1. | 1. | 2. | 4. | |
| Final hold (min) | 1. | 5. | |||
| I | 1718. | 1718. | 1705. | 1684. | 1718. |
| Reference | Bousaada, Ammar, et al., 2008 | Rohloff and Bones, 2005 | N/A | Mau, Lai, et al., 2003 | Prikhod'ko, Klyuev, et al., 1999 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary | Capillary |
|---|---|---|---|
| Active phase | DB-Wax | Supelcowax-10 | Supelcowax-10 |
| Column length (m) | 30. | 30. | 30. |
| Carrier gas | He | ||
| Substrate | |||
| Column diameter (mm) | 0.32 | ||
| Phase thickness (μm) | |||
| Tstart (C) | 70. | 50. | 50. |
| Tend (C) | 200. | 240. | 240. |
| Heat rate (K/min) | 4. | 4. | 4. |
| Initial hold (min) | 2. | 2. | 2. |
| Final hold (min) | 10. | 10. | |
| I | 1711. | 1718. | 1718. |
| Reference | Wyllie, Brophy, et al., 1990 | Ramaswami, Briscese, et al., 1988 | Ramaswami, Briscese, et al., 1986 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane 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.
Bousaada, Ammar, et al., 2008
Bousaada, O.; Ammar, S.; Saidana, D.; Chriaa, J.; Chraif, I.; Daami, M.; Helal, A.N.; Mighri, Z.,
Chemical composition and antimicrobial activity of volatile components from capitula and aerial parts of Rhaponticum acaule DC growing wild in Tunisia,
Microbiol. Res., 2008, 163, 1, 87-95, https://doi.org/10.1016/j.micres.2007.02.010
. [all data]
Rohloff and Bones, 2005
Rohloff, J.; Bones, A.M.,
Volatile profiling of Arabidopsis thaliana - Putative olfactory compounds in plant communication,
Phytochemistry, 2005, 66, 16, 1941-1955, https://doi.org/10.1016/j.phytochem.2005.06.021
. [all data]
Mau, Lai, et al., 2003
Mau, J.-L.; Lai, E.Y.C.; Wang, N.-P.; Chen, C.-C.; Chang, C.-H.; Chyau, C.-C.,
Composition and antioxidant activity of the essential oil from Curcuma zedoaria,
Food Chem., 2003, 82, 4, 583-591, https://doi.org/10.1016/S0308-8146(03)00014-1
. [all data]
Prikhod'ko, Klyuev, et al., 1999
Prikhod'ko, A.B.; Klyuev, N.A.; Volkovich, S.V.; Emets, T.I.; Petrenko, V.V.; Dolya, E.V.,
Component composition od the essential oil of Thymus dimorphus,
Chem. Nat. Comp., 1999, 35, 1, 46-51, https://doi.org/10.1007/BF02238208
. [all data]
Wyllie, Brophy, et al., 1990
Wyllie, S.G.; Brophy, J.J.; Sarafis, V.; Hobbs, M.,
Volatile Components of the Fruit of Pistacia Lentiscus,
J. Food. Sci., 1990, 55, 5, 1325-1326, https://doi.org/10.1111/j.1365-2621.1990.tb03926.x
. [all data]
Ramaswami, Briscese, et al., 1988
Ramaswami, S.K.; Briscese, P.; Gargiullo, R.J.; von Geldern, T.,
Sesquiterpene hydrocarbons: from mass confusion to orderly line-up
in Flavors and Fragrances: A World Perspective. Proceedings of the 10th International Congress of Essential Oils, Fragrances and Flavors, Lawrence,B.M.; Mookherjee,B.D.; Willis,B.J., ed(s)., Elsevier, New York, 1988, 951-980. [all data]
Ramaswami, Briscese, et al., 1986
Ramaswami, S.K.; Briscese, P.; Gargiullo, R.J.; von Geldern, T.,
Sesquiterpene hydrocarbons: from mass confusion to orderly line-up
in Flavors and Fragrances: A World Perspective, Lawrence,B.M.; Mookherjee,B.D.; Willis,B.J., ed(s)., Proceedings of the 10th International Congress of Essential Oils, Fragrances, and Flavors, Washington, DC, 1986, 951-959. [all data]
Notes
Go To: Top, Normal alkane 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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