1H-Benzocycloheptene, 2,4a,5,6,7,8,9,9a-octahydro-3,5,5-trimethyl-9-methylene-, (4aS-cis)-
- Formula: C15H24
- Molecular weight: 204.3511
- IUPAC Standard InChIKey: ZJSIKVDEOWWVEH-UHFFFAOYSA-N
- CAS Registry Number: 3853-83-6
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 1H-Benzocycloheptene, 2,4aα,5,6,7,8,9,9aα-octahydro-3,5,5-trimethyl-9-methylene-; α-Himachalene; 1H-Benzocycloheptene, 2,4a,5,6,7,8,9,9a-octahydro-3,5,5-trimethyl-9-methylene-, cis-; (4aS,9aR)-3,5,5-Trimethyl-9-methylene-2,4a,5,6,7,8,9,9a-octahydro-1H-benzo[7]annulene; 3,5,5-Trimethyl-9-methylene-2,4a,5,6,7,8,9,9a-octahydro-1H-benzo[a]cycloheptene; (+)-α-himachalene
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Normal alkane RI, non-polar column, custom temperature program
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 | CBP-5 | DB-5 | HP-5 | HP-5 | HP-5 |
Column length (m) | 30. | 30. | 25. | 25. | 25. |
Carrier gas | Helium | Hydrogen | Helium | Helium | Helium |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.32 | 0.32 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.17 | 0.17 | 0.17 |
Program | 60 0C 3 0C/min -> 240 0C 10 0C/min -> 280 0C (10 min) | 35 0C (2 min) 4 0C/min -> 180 0C 20 0C/min -> 280 0C | 60 0C (5 min) 4 0C/min -> 220 0C 11 0C/min -> 280 0C (15 min) | 60 0C (5 min) 4 0C/min -> 220 0C 11 0C/min -> 280 0C (15 min) | not specified |
I | 1451. | 1443. | 1441. | 1449. | 1451. |
Reference | de Morais, Oliveira, et al., 2012 | Pontes, Silva, et al., 2010 | Custer, 2009 | Custer, 2009 | Custer, 2009 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | HP-5 | DB-1 | DB-5 MS | OV-1 | SE-30 |
Column length (m) | 25. | 30. | 30. | 30. | |
Carrier gas | Helium | He | He | ||
Substrate | |||||
Column diameter (mm) | 0.32 | 0.25 | 0.25 | 0.25 | |
Phase thickness (μm) | 0.17 | 0.25 | 0.25 | 0.25 | |
Program | not specified | 45C => 3C/min => 175C => 15C/min => 300C (10min) | 80 0C (1.5 min) 4 pC/min -> 180 0C 10 0C/min -> 300 0C (10 min) | 45 0C (4 min) 3 0C/min -> 75 0C 4 0C/min -> 115 0C 6 0C/min -> 312 0C | not specified |
I | 1451. | 1441. | 1445. | 1435. | 1443. |
Reference | Custer, 2009 | Nogueira, Marcelo-Curto, et al., 2008 | Silva, Doria, et al., 2008 | Hafez and Abdel-Salam, 2004 | Vinogradov, 2004 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary |
---|---|
Active phase | Methyl Silicone |
Column length (m) | |
Carrier gas | |
Substrate | |
Column diameter (mm) | |
Phase thickness (μm) | |
Program | not specified |
I | 1443. |
Reference | Zenkevich, 1996 |
Comment | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
de Morais, Oliveira, et al., 2012
de Morais, S.R.; Oliveira, T.L.S.; BAra, M.T.F.; da Conceicao, E.C.; Rezende, M.H.; Ferri, P.H.; de Paula, J.R.,
Chemical constituents of essential oil from Lippia sidoides Cham. (Verbenaceae) leaves cultivated in Hidrolandia, Goias, Brasil,
Int. J. Anal. Chem., 2012, 2012, 1-4, https://doi.org/10.1155/2012/363919
. [all data]
Pontes, Silva, et al., 2010
Pontes, W.J.T.; Silva, J.M.O.; ds Camara, C.A.G.; Gondim-Junior, M.G.C.; Oliveira, J.V.,
Chemical composition and acaricidal activity of the essential oils from fruits and leaves of Protium bahianum Daly,
J. Essential Oil Res., 2010, 22, 3, 279-282, https://doi.org/10.1080/10412905.2010.9700324
. [all data]
Custer, 2009
Custer, Y.,
GC Volatile Components Analysis of Different Parts of Litchi chinensis (Dissertation), 2009. [all data]
Nogueira, Marcelo-Curto, et al., 2008
Nogueira, T.; Marcelo-Curto, M.J.; Cristina Figueiredo, A.; Barroso, J.G.; Pedro, L.G.; Rubiolo, P.; Bicchi, C.,
Chemotaxonomy of Hypericum genus from Portugal: Geographical distribution and essential oils composition of Hypericum perfoliatum, Hypericum humifusum, Hypericum linarifolium and Hypericum pulchrum,
Biochem. Syst. Ecol., 2008, 36, 1, 40-50, https://doi.org/10.1016/j.bse.2007.07.004
. [all data]
Silva, Doria, et al., 2008
Silva, W.L.; Doria, G.A.A.; Maia, R.T.; Nunes, R.S.; Carvalho, G.A.; Blank, A.F.; Alves, P.B.; Marcal, R.M.; Cavalcanti, S.C.H.,
Effects of essential oils on Aedes aegypti larvae: alternatives to environmentally safe insecticides,
Bioresource Technol., 2008, 99, 8, 3251-3255, https://doi.org/10.1016/j.biortech.2007.05.064
. [all data]
Hafez and Abdel-Salam, 2004
Hafez, S.S.; Abdel-Salam, H.A.,
chemical composition and antimicrobial activity of the volatile constituents of thuja occidentalis L. growing in Egipt,
Alexandria J. Pharm. Sci., 2004, 18, 1, 41-47. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Zenkevich, 1996
Zenkevich, I.G.,
Analytical Parameters of Components of Essential Oils for their Chromatographic and Chromato-Mass Spectral Identification. Mono- and Sesquiterpenes,
Rastitelnye Resursy (Plant resources), 1996, 34, 1-2, 48-58. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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