2H-Pyran, 3,6-dihydro-4-methyl-2-(2-methyl-1-propenyl)-
- Formula: C10H16O
- Molecular weight: 152.2334
- IUPAC Standard InChIKey: FRISMOQHTLZZRP-UHFFFAOYSA-N
- CAS Registry Number: 1786-08-9
- 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. - Other names: Nerol oxide; 3,6-Dihydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyran; Neryl oxide; 2H-Pyran, 3,6-dihydro-4-methyl-2-(2-methyl-1-propen-1-yl)-; 4-Methyl-2-(2-methyl-1-propenyl)-3,6-dihydro-2H-pyran; 76985-28-9; Isoneroloxide
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Van Den Dool and Kratz 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 | RTX-Wax | RTX-Wax | RTX-Wax | Supelcowax-10 | BP-20 |
Column length (m) | 60. | 60. | 60. | 30. | 50. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.22 | 0.22 | 0.22 | 0.25 | 0.22 |
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. | 240. | 230. |
Heat rate (K/min) | 2. | 2. | 2. | 3. | 2. |
Initial hold (min) | 5. | ||||
Final hold (min) | 35. | 35. | 35. | 10. | 35. |
I | 1469. | 1469. | 1469. | 1460. | 1466. |
Reference | Paolini J., Costa J., et al., 2007 | Paolini, Muselli, et al., 2007 | Paolini, Costa, et al., 2005 | Riu-Aumatell, Lopez-Tamames, et al., 2005 | Bianchini, Tomi, et al., 2003 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | BP-20 | DB-Wax | BP-20 | DB-Wax | DB-Wax |
Column length (m) | 50. | 60. | 50. | 30. | 30. |
Carrier gas | He | He | He | H2 | He |
Substrate | |||||
Column diameter (mm) | 0.22 | 0.32 | 0.22 | 0.32 | 0.32 |
Phase thickness (μm) | 0.25 | 0.5 | 0.25 | 0.25 | 0.5 |
Tstart (C) | 60. | 67. | 60. | 35. | 60. |
Tend (C) | 230. | 235. | 230. | 220. | 245. |
Heat rate (K/min) | 2. | 2.7 | 2. | 4. | 3. |
Initial hold (min) | 0.5 | 3. | |||
Final hold (min) | 35. | 30. | 35. | 20. | |
I | 1466. | 1500. | 1466. | 1468.5 | 1465. |
Reference | Bianchini, Tomi, et al., 2003 | Claudela, Dirningera, et al., 2002 | Bianchini, Tomi, et al., 2001 | Pet'ka, Mocák, et al., 2001 | Wirth, Guo, et al., 2001 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary |
---|---|---|---|
Active phase | DB-Wax | CP-Wax 52CB | Carbowax 20M |
Column length (m) | 30. | 50. | 60. |
Carrier gas | He | He | |
Substrate | |||
Column diameter (mm) | 0.32 | 0.25 | 0.32 |
Phase thickness (μm) | 0.5 | 0.2 | 0.425 |
Tstart (C) | 60. | 30. | 45. |
Tend (C) | 245. | 220. | 300. |
Heat rate (K/min) | 3. | 2. | 3. |
Initial hold (min) | 3. | 1.3 | 3. |
Final hold (min) | 20. | 20. | |
I | 1471. | 1450. | 1463. |
Reference | Bureau, Razungles, et al., 2000 | Jensen, Christensen, et al., 2000 | Mondello, Dugo, et al., 1995 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz 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.
Paolini J., Costa J., et al., 2007
Paolini J.; Costa J.; Bernardini A.F.,
Analysis of the essential oil from the roots of Eupatorium cannabinum subsp corsicum (L.) by GC, GC-MS and C-13-NMR,
Phytochem. Anal., 2007, 18, 3, 235-244, https://doi.org/10.1002/pca.977
. [all data]
Paolini, Muselli, et al., 2007
Paolini, J.; Muselli, A.; Bernardini, A.-F.; Bighelli, A.; Casanova, J.; Costa, J.,
Thymol derivatives from essential oil of Doronicum corsicum L.,
Flavour Fragr. J., 2007, 22, 6, 479-487, https://doi.org/10.1002/ffj.1824
. [all data]
Paolini, Costa, et al., 2005
Paolini, J.; Costa, J.; Bernardini, A.,
Analysis of the essential oil from aerial parts of Eupatorium cannabinum subsp. corsicum (L.) by gas chromatography with electron impact and chemical ionization mass spectrometry,
J. Chromatogr. A, 2005, 1076, 1-2, 170-178, https://doi.org/10.1016/j.chroma.2005.03.131
. [all data]
Riu-Aumatell, Lopez-Tamames, et al., 2005
Riu-Aumatell, M.; Lopez-Tamames, E.; Buxaderas, S.,
Assessment of the Volatile Composition of Juices of Apricot, Peach, and Pear According to Two Pectolytic Treatments,
J. Agric. Food Chem., 2005, 53, 20, 7837-7843, https://doi.org/10.1021/jf051397z
. [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]
Claudela, Dirningera, et al., 2002
Claudela, P.; Dirningera, N.; Etievant, P.,
Effects of water on gas chromatographic column efficiency measurements applied to on-column injections of volatile aroma compounds,
J. Sep. Sci., 2002, 25, 5-6, 365-370, https://doi.org/10.1002/1615-9314(20020401)25:5/6<365::AID-JSSC365>3.0.CO;2-Y
. [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]
Pet'ka, Mocák, et al., 2001
Pet'ka, J.; Mocák, J.; Farkas, P.; Balla, B.; Kovác, M.,
Classification of Slovak varietal white wines by volatile compounds,
J. Sci. Food Agric., 2001, 81, 15, 1533-1539, https://doi.org/10.1002/jsfa.979
. [all data]
Wirth, Guo, et al., 2001
Wirth, J.; Guo, W.; Baumes, R.; Günata, Z.,
Volatile compounds released by enzymatic hydrolysis of glycoconjugates of leaves and grape berries from Vitis vinifera muscat of Alexandria and Shiraz cultivars,
J. Agric. Food Chem., 2001, 49, 6, 2917-2923, https://doi.org/10.1021/jf001398l
. [all data]
Bureau, Razungles, et al., 2000
Bureau, S.M.; Razungles, A.R.; Baumes, R.L.,
The aroma of Muscat of Frontignan grapes: effect of the light environment of vine or bunch on volatiles and glycoconjugates,
J. Sci. Food Agric., 2000, 80, 14, 2012-2020, https://doi.org/10.1002/1097-0010(200011)80:14<2012::AID-JSFA738>3.0.CO;2-X
. [all data]
Jensen, Christensen, et al., 2000
Jensen, K.; Christensen, L.P.; Hansen, M.; Jørgensen, U.; Kaack, K.,
Olfactory and quantitative analysis of volatiles in elderberry (Sambucus nigra L) juice processed from seven cultivars,
J. Sci. Food Agric., 2000, 81, 2, 237-244, https://doi.org/10.1002/1097-0010(20010115)81:2<237::AID-JSFA809>3.0.CO;2-H
. [all data]
Mondello, Dugo, et al., 1995
Mondello, L.; Dugo, P.; Basile, A.; Dugo, G.,
Interactive use of linear retention indices, on polar and apolar columns, with a MS-library for reliable identification of complex mixtures,
J. Microcolumn Sep., 1995, 7, 6, 581-591, https://doi.org/10.1002/mcs.1220070605
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz 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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