2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-
- Formula: C10H18O
- Molecular weight: 154.2493
- IUPAC Standard InChIKey: CZCBTSFUTPZVKJ-NXEZZACHSA-N
- CAS Registry Number: 16409-43-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Stereoisomers:
- Other names: Rose oxide; 2H-Pyran, tetrahydro-4-methyl-2-(2-methylpropenyl)-; Rosoxide; Rose oxide L; Pyran, tetrahydro-2-(2-methyl-1-propenyl)-4-methyl-; Pyran, 2-(2-methyl-1-propenyl)-4-methyltetrahydro-; 4-Methyl-2-(2-methyl-1-propenyl)tetrahydro-2H-pyran; Rosenoxide; Tetrahydro-4-methyl-2-[2-methyl-1-propenyl]-2H-pyran; 2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-propen-1-yl)-; Pyran, tetrahydro-4-methyl-2-(2-methylpropenyl)-; cis Rose oxide; Rose oxide , I; tetrahydro-4-methyl-2-(2-methylprop-1-enyl)pyran
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Normal alkane RI, 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 | DB-Wax | DB-Wax | DB-Wax | SP-1000 |
Column length (m) | 30. | 30. | 60. | 85. |
Carrier gas | Helium | Helium | He | He |
Substrate | ||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.50 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | |
Tstart (C) | 40. | 40. | 40. | 65. |
Tend (C) | 230. | 230. | 200. | 225. |
Heat rate (K/min) | 4. | 3. | 2. | 3. |
Initial hold (min) | 2. | 2. | 2. | |
Final hold (min) | 4.5 | 5. | ||
I | 1381. | 1313. | 1350. | 1352. |
Reference | Zeng, Xie, et al., 2011 | Zhao, Xu, et al., 2009 | Umano, Nakahara, et al., 1999 | Brophy, Goldsack, et al., 1996 |
Comment | MSDC-RI | 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.
Zeng, Xie, et al., 2011
Zeng, Z.; Xie, R.; Zhang, T.; Zhang, H.; Chen, J.Y.,
Analysis of volatile compositions of Magnolia biondii Pamp by steam distillation and Headspace solid phase micro-extraction,
J. Oleo Sci., 2011, 60, 12, 591-596, https://doi.org/10.5650/jos.60.591
. [all data]
Zhao, Xu, et al., 2009
Zhao, Y.; Xu, Y.; Li, J.; Fan, W.; Jiang, W.,
Profile of volatile compounds in 11 brandies by headspace solid-phase microextraction followed by gas chromatography-mass spectrometry,
J. Food. Sci., 2009, 74, 2, c90-c99, https://doi.org/10.1111/j.1750-3841.2008.01029.x
. [all data]
Umano, Nakahara, et al., 1999
Umano, K.; Nakahara, K.; Shoji, A.; Shibamoto, T.,
Aroma chemicals isolated and identified from leaves of aloe arborescens Mill. Var. natalensis Berger,
J. Agric. Food Chem., 1999, 47, 9, 3702-3705, https://doi.org/10.1021/jf990116i
. [all data]
Brophy, Goldsack, et al., 1996
Brophy, J.J.; Goldsack, R.J.; Bean, A.R.; Forster, P.I.; Fookes, C.J.R.,
The leaf essential oils of the genus Syncarpia ten. (Myrtaceae),
Flavour Fragr. J., 1996, 11, 6, 361-366, https://doi.org/10.1002/(SICI)1099-1026(199611)11:6<361::AID-FFJ591>3.0.CO;2-T
. [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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