1,4-Dimethylazulene
- Formula: C12H12
- Molecular weight: 156.2237
- IUPAC Standard InChI: InChI=1S/C12H12/c1-9-5-3-4-6-11-10(2)7-8-12(9)11/h3-8H,1-2H3
- IUPAC Standard InChIKey: FKBGSRCZHMNHGG-UHFFFAOYSA-N
- CAS Registry Number: 1127-69-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Azulene, 1,4-dimethyl-
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Normal alkane RI, non-polar column, temperature ramp
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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 |
|---|---|---|---|---|
| Active phase | ZB-1 | CP Sil 5 CB | ZB-1 | DB-1 |
| Column length (m) | 30. | 25. | 30. | 50. |
| Carrier gas | Nitrogen | H2 | N2 | N2 |
| Substrate | ||||
| Column diameter (mm) | 0.25 | 0.25 | 0.25 | |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 | |
| Tstart (C) | 45. | 50. | 45. | 95. |
| Tend (C) | 230. | 230. | 230. | 240. |
| Heat rate (K/min) | 3. | 3. | 3. | 4. |
| Initial hold (min) | ||||
| Final hold (min) | ||||
| I | 1517. | 1528. | 1517. | 1523. |
| Reference | Mierendorff, Stahl-Biskup, et al., 2008 | Adio, 2005 | Mierendorff, Stahl-Biskup, et al., 2003 | Velasco-Negueruela, Pérez-Alonso, et al., 2002 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane 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.
Mierendorff, Stahl-Biskup, et al., 2008
Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A.,
Composition of commercial Cape chamomile oil (Eriocephalus punctuatus / Eriocephalus tenuifolius), 2008, retrieved from http://www.chemische-analysen-hamburg.de/Publikationen?CapeChamomileOil/. [all data]
Adio, 2005
Adio, A.M.,
Isolation and structure elucidation of sesquiterpenoids from the essential oils of some liverworths (Hepaticae), Dissertation, Hamburg University, 2005, 265. [all data]
Mierendorff, Stahl-Biskup, et al., 2003
Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A.,
Composition of commercial Cape chamomile oil (Eriocephalus punctulatus),
Flavour Fragr. J., 2003, 18, 6, 510-514, https://doi.org/10.1002/ffj.1259
. [all data]
Velasco-Negueruela, Pérez-Alonso, et al., 2002
Velasco-Negueruela, A.; Pérez-Alonso, M.J.; de Paz, P.L.P.; Vallejo, C.G.; Palá-Paúl, J.; Iñigo, A.,
Chemical composition of the essential oils from the roots, fruits, leaves and stems of Pimpinella cumbrae link growing in the Canary Islands (Spain),
Flavour Fragr. J., 2002, 17, 6, 468-471, https://doi.org/10.1002/ffj.1131
. [all data]
Notes
Go To: Top, Normal alkane 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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