(1R,3aR,4aR,8aR)-1,4,4,6-Tetramethyl-1,2,3,3a,4,4a,7,8-octahydrocyclopenta[1,4]cyclobuta[1,2]benzene
- Formula: C15H24
- Molecular weight: 204.3511
- IUPAC Standard InChI: InChI=1S/C15H24/c1-10-7-8-15-11(2)5-6-12(15)14(3,4)13(15)9-10/h9,11-13H,5-8H2,1-4H3/t11-,12-,13-,15-/m0/s1
- IUPAC Standard InChIKey: BWAXOYJGXIEEOE-ABHRYQDASA-N
- CAS Registry Number: 94482-89-0
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: Cyclopenta[1,4]cyclobuta[1,2]benzene, 1,2,3,3a,4,4a,7,8-octahydro-1,4,4,6-tetramethyl-, (1R,3aR,4aR,8aR)-rel-(+)-; Cyclopenta[1,4]cyclobuta[1,2]benzene, 1,2,3,3a,4,4a,7,8-octahydro-1,4,4,6-tetramethyl-, (1α,3aβ,4aα,8aR*)-(+)-; (+)-Isoitalicene; Isoitalicene
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Van Den Dool and Kratz 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 | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | RTX-1 | RTX-1 | BP-1 | BP-1 | SPB-5 |
| Column length (m) | 60. | 60. | 50. | 50. | 30. |
| Carrier gas | He | He | He | He | He |
| Substrate | |||||
| Column diameter (mm) | 0.22 | 0.22 | 0.22 | 0.22 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Tstart (C) | 60. | 60. | 60. | 60. | 60. |
| Tend (C) | 230. | 230. | 230. | 230. | 250. |
| Heat rate (K/min) | 2. | 2. | 2. | 2. | 4. |
| Initial hold (min) | 2. | ||||
| Final hold (min) | 45. | 35. | 35. | 35. | 20. |
| I | 1376. | 1374. | 1379. | 1379. | 1397. |
| Reference | Cavalli, Tomi, et al., 2006 | Paolini J., Desjobert J.M., et al., 2006 | Bianchini, Tomi, et al., 2003 | Bianchini, Tomi, et al., 2003 | Pino, Marbot, et al., 2002 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary |
|---|---|
| Active phase | BP-1 |
| Column length (m) | 50. |
| Carrier gas | He |
| Substrate | |
| Column diameter (mm) | 0.22 |
| Phase thickness (μm) | 0.25 |
| Tstart (C) | 60. |
| Tend (C) | 230. |
| Heat rate (K/min) | 2. |
| Initial hold (min) | |
| Final hold (min) | 35. |
| I | 1379. |
| Reference | Bianchini, Tomi, et al., 2001 |
| Comment | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz 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.
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]
Paolini J., Desjobert J.M., et al., 2006
Paolini J.; Desjobert J.M.; Costa J.; Bernardini A.F.; Castellini C.B.; Cioni P.L.; Flamini G.; Morelli I.,
Composition of essential oils of Helichrysum italicum (Roth) G. Don fil subsp. italicum from Tuscan archipelago islands,
Flavour Fragr. J., 2006, 21, 5, 805-808, https://doi.org/10.1002/ffj.1726
. [all data]
Bianchini, Tomi, et al., 2003
Bianchini, A.; Tomi, P.; Bernardini, A.F.; Morelli, I.; Flamini, G.; Cioni, P.L.; Usai, M.; Marchetti, M.,
A comparative study of volatile constituents of two Helichrysum italicum (Roth) Guss. Don Fil subspecies growing in Corsica (France), Tuscany and Sardinia (Italy),
Flavour Fragr. J., 2003, 18, 6, 487-491, https://doi.org/10.1002/ffj.1231
. [all data]
Pino, Marbot, et al., 2002
Pino, J.; Marbot, R.; Rosado, A.,
Volatile constituents of star apple (Chrysophyllum cainito L.) from Cuba,
Flavour Fragr. J., 2002, 17, 5, 401-403, https://doi.org/10.1002/ffj.1116
. [all data]
Bianchini, Tomi, et al., 2001
Bianchini, A.; Tomi, P.; Costa, J.; Bernardini, A.F.,
Composition of Helichrysum italicum (Roth) G. Don fil. subsp. italicum essential oils from Corsica (France),
Flavour Fragr. J., 2001, 16, 1, 30-34, https://doi.org/10.1002/1099-1026(200101/02)16:1<30::AID-FFJ941>3.0.CO;2-F
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.