3-methylnonane-2,4-dione
- Formula: C10H18O2
- Molecular weight: 170.2487
- IUPAC Standard InChI: InChI=1S/C10H18O2/c1-4-5-6-7-10(12)8(2)9(3)11/h8H,4-7H2,1-3H3
- IUPAC Standard InChIKey: BGVBGAIWXAXBLP-UHFFFAOYSA-N
- CAS Registry Number: 113486-29-6
- 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: 2,4-Nonanedione, 3-methyl; 3-methyl-2,4-nonanedione; 3-methyl-2,4-nonandione; 3-Methyl-2,4-nonadione
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- Other data available:
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Normal alkane 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 | DB-FFAP | DB-Wax | DB-Wax | DB-Wax | DB-Wax |
| Column length (m) | 30. | 30. | 60. | 30. | 60. |
| Carrier gas | H2 | He | He | ||
| Substrate | |||||
| Column diameter (mm) | 0.3 | 0.25 | 0.25 | 0.53 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 1. | 0.25 |
| Tstart (C) | 35. | 40. | 40. | 40. | 40. |
| Tend (C) | 240. | 210. | 210. | 210. | 210. |
| Heat rate (K/min) | 8. | 5. | 5. | 5. | 5. |
| Initial hold (min) | 2.5 | ||||
| Final hold (min) | 2. | ||||
| I | 1716. | 1722. | 1723. | 1715. | 1722. |
| Reference | Triqui and Bouchriti, 2003 | Kumazawa and Masuda, 2002 | Kumazawa and Masuda, 2002 | Kumazawa and Masuda, 1999 | Kumazawa and Masuda, 1999 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary |
|---|---|---|
| Active phase | DB-Wax | DB-Wax |
| Column length (m) | 60. | 60. |
| Carrier gas | He | He |
| Substrate | ||
| Column diameter (mm) | 0.32 | 0.32 |
| Phase thickness (μm) | 0.5 | 0.25 |
| Tstart (C) | 34. | 34. |
| Tend (C) | 200. | 200. |
| Heat rate (K/min) | 5. | 5. |
| Initial hold (min) | 3. | 3. |
| Final hold (min) | 10. | 10. |
| I | 1762. | 1706. |
| Reference | Schlüter, Steinhart, et al., 1999 | Schlüter, Steinhart, et al., 1999 |
| Comment | 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.
Triqui and Bouchriti, 2003
Triqui, R.; Bouchriti, N.,
Freshness assessments of Moroccan sardine (Sardina pilchardus): comparison of overall sensory changes to instrumentally determined volatiles,
J. Agric. Food Chem., 2003, 51, 26, 7540-7546, https://doi.org/10.1021/jf0348166
. [all data]
Kumazawa and Masuda, 2002
Kumazawa, K.; Masuda, H.,
Identification of potent odorants in different green tea varieties using flavor dilution technique,
J. Agric. Food Chem., 2002, 50, 20, 5660-5663, https://doi.org/10.1021/jf020498j
. [all data]
Kumazawa and Masuda, 1999
Kumazawa, K.; Masuda, H.,
Identification of potent odorants in Japanese green tea (Sen-cha),
J. Agric. Food Chem., 1999, 47, 12, 5169-5172, https://doi.org/10.1021/jf9906782
. [all data]
Schlüter, Steinhart, et al., 1999
Schlüter, S.; Steinhart, H.; Schwarz, F.J.; Kirchgessner, M.,
Changes in the odorants of boiled carp fillet (Cyprinus carpio L.) as affected by increasing methionine levels in feed,
J. Agric. Food Chem., 1999, 47, 12, 5146-5150, https://doi.org/10.1021/jf9902604
. [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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