4-Cyclopentene-1,3-dione
- Formula: C5H4O2
- Molecular weight: 96.0841
- IUPAC Standard InChI: InChI=1S/C5H4O2/c6-4-1-2-5(7)3-4/h1-2H,3H2
- IUPAC Standard InChIKey: MCFZBCCYOPSZLG-UHFFFAOYSA-N
- CAS Registry Number: 930-60-9
- 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: 2-Cyclopentene-1,4-dione; 2-Cyclopenten-1,4-dione; 4-Cyclopenten-1,3-dione; Cyclopent-2-en-1,4-dione; Cyclopent-2-ene-1,4-dione; cyclopenten-1,4-dione; cyclopent-4-ene-1,3-dione
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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 |
|---|---|---|
| Active phase | HP-5 MS | DB-1 |
| Column length (m) | 30. | 60. |
| Carrier gas | Helium | He |
| Substrate | ||
| Column diameter (mm) | 0.25 | 0.32 |
| Phase thickness (μm) | 0.25 | 1.0 |
| Tstart (C) | 35. | 40. |
| Tend (C) | 195. | 280. |
| Heat rate (K/min) | 2. | 2. |
| Initial hold (min) | 5. | |
| Final hold (min) | 30. | |
| I | 880. | 846. |
| Reference | Kim and Chung, 2009 | Tai and Ho, 1998 |
| Comment | 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.
Kim and Chung, 2009
Kim, J.-S.; Chung, H.Y.,
GC-MS analysis of the volatile components in dried boxthorn (Lycium chimensis) Fruit,
J. Korean Soc. Appl. Biol. Chem., 2009, 52, 5, 516-524, https://doi.org/10.3839/jksabc.2009.088
. [all data]
Tai and Ho, 1998
Tai, C.-Y.; Ho, C.-T.,
Influence of glutathione oxidation and pH on thermal formation of Maillard-type volatile compounds,
J. Agric. Food Chem., 1998, 46, 6, 2260-2265, https://doi.org/10.1021/jf971111t
. [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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