4-hydroxy-2,5-dimethyl-3(2H)-thiophenone
- Formula: C6H8O2S
- Molecular weight: 144.192
- IUPAC Standard InChI: InChI=1S/C6H8O2S/c1-3-5(7)6(8)4(2)9-3/h3,8H,1-2H3
- IUPAC Standard InChIKey: LMGFTFOLCQQHHC-UHFFFAOYSA-N
- CAS Registry Number: 26494-10-0
- 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(2H)-Thiophenone, 4-hydroxy-2,5-dimethyl-; 4-hydroxy-2,5-dimethylthiophen-3(2H)-one
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Gas Chromatography
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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
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-54 | 1181. | Hofmann and Schieberle, 1997 | 30. m/0.32 mm/0.25 μm, He; Program: 40C (2min) => 40C/min => 50C (5min) => 6C/min => 230C (15min) |
| Capillary | SE-54 | 1170. | Münch, Hofmann, et al., 1997 | 30. m/0.32 mm/0.25 μm, He; Program: 40C (2min) => 40C/min => 50C (2min) => 240C (10min) |
Van Den Dool and Kratz RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | FFAP | 2040. | Hofmann and Schieberle, 1997 | 30. m/0.32 mm/0.25 μm, He; Program: 40C (2min) => 40C/min => 60C (5min) => 6C/min => 230C (15min) |
| Capillary | FFAP | 2044. | Münch, Hofmann, et al., 1997 | 30. m/0.32 mm/0.25 μm, He; Program: 40C (2min) => 40C/min => 60C (2min) => 240C (10min) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 1158. | Tai and Ho, 1998 | 60. m/0.32 mm/1.0 μm, He, 2. K/min; Tstart: 40. C; Tend: 280. C |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hofmann and Schieberle, 1997
Hofmann, T.; Schieberle, P.,
Identification of potent aroma compounds in thermally treated mixtures of glucose/cysteine and rhamnose/cysteine using aroma extract dilution techniques,
J. Agric. Food Chem., 1997, 45, 3, 898-906, https://doi.org/10.1021/jf960456t
. [all data]
Münch, Hofmann, et al., 1997
Münch, P.; Hofmann, T.; Schieberle, P.,
Comparison of key odorants generated by thermal treatment of commercial and self-prepared yeast extracts: influence of the amino acid composition on odorant formation,
J. Agric. Food Chem., 1997, 45, 4, 1338-1344, https://doi.org/10.1021/jf960658p
. [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
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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