4H-Pyran-4-one, 2,3-dihydro-3,5-dihydroxy-6-methyl-
- Formula: C6H8O4
- Molecular weight: 144.1253
- IUPAC Standard InChI: InChI=1S/C6H8O4/c1-3-5(8)6(9)4(7)2-10-3/h4,7-8H,2H2,1H3
- IUPAC Standard InChIKey: VOLMSPGWNYJHQQ-UHFFFAOYSA-N
- CAS Registry Number: 28564-83-2
- 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: 3,5-Dihydroxy-6-methyl-2,3-dihydro-4H-pyran-4-one; 2,3-dihydro-3,5-dihydroxy--6-methyl-4H-pyran-4-one; Pyranone; 2,3-Dihydro-3,5-dihydroxy-6-methyl-4-pyrone; 3-Hydroxy-2,3-dihydromaltol; 3,5-Dihydroxy-6-methyl-2H-pyran-4(3H)-one; 3,5-Dihydroxy-2,3-dihydro-6-methyl-4-pyran-4-one, dihydroxy maltol; 2,3-dihydro-3,5-dihydroxy-6-methyl-4(4H)-pyranone; 2,3-Dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one (pyranone); 2,3-Dihydro-3,5-dihydroxy-6-methyl-4H-pyrene-4-one
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Van Den Dool and Kratz RI, non-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 |
|---|---|---|
| Active phase | DB-1 | DB-5 |
| Column length (m) | 60. | 30. |
| Carrier gas | N2 | H2 |
| Substrate | ||
| Column diameter (mm) | 0.25 | 0.25 |
| Phase thickness (μm) | 1. | 0.25 |
| Tstart (C) | 30. | 50. |
| Tend (C) | 200. | 290. |
| Heat rate (K/min) | 5. | 4. |
| Initial hold (min) | ||
| Final hold (min) | 30. | |
| I | 1107. | 1134. |
| Reference | Wu, Wang, et al., 2000 | da Silva, Borba, et al., 1999 |
| Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz 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.
Wu, Wang, et al., 2000
Wu, C.-M.; Wang, Z.; Wu, Q.H.,
Volatile compounds produced from monosodium glutamate in common food cooking,
J. Agric. Food Chem., 2000, 48, 6, 2438-2442, https://doi.org/10.1021/jf9907743
. [all data]
da Silva, Borba, et al., 1999
da Silva, U.F.; Borba, E.L.; Semir, J.; Marsaioli, A.J.,
A simple solid injection device for the analyses of Bulbophyllum (Orchidaceae) volatiles,
Phytochemistry, 1999, 50, 1, 31-34, https://doi.org/10.1016/S0031-9422(98)00459-2
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz 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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