Thiophene, 2-ethyl-5-methyl-
- Formula: C7H10S
- Molecular weight: 126.219
- IUPAC Standard InChI: InChI=1S/C7H10S/c1-3-7-5-4-6(2)8-7/h4-5H,3H2,1-2H3
- IUPAC Standard InChIKey: VOIVNYVBGCJFRW-UHFFFAOYSA-N
- CAS Registry Number: 40323-88-4
- 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-Methyl-5-ethyl-thiophene; 2-Ethyl-5-methylthiophene
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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 | Capillary | Capillary |
|---|---|---|---|---|
| Active phase | CP Sil 8 CB | CP Sil 8 CB | BP-5 | OV-101 |
| Column length (m) | 60. | 60. | 50. | 50. |
| Carrier gas | He | He | He | |
| Substrate | ||||
| Column diameter (mm) | 0.25 | 0.25 | 0.32 | 0.32 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.5 | |
| Tstart (C) | 40. | 40. | 60. | 50. |
| Tend (C) | 280. | 280. | 250. | 200. |
| Heat rate (K/min) | 4. | 4. | 4. | 4. |
| Initial hold (min) | 2. | 2. | ||
| Final hold (min) | ||||
| I | 967. | 967. | 959. | 957. |
| Reference | Elmore, Campo, et al., 2002 | Elmore, Campo, et al., 2002 | Whitfield and Mottram, 2001 | Misharina, Golovnya, et al., 1993 |
| Comment | MSDC-RI | MSDC-RI | 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.
Elmore, Campo, et al., 2002
Elmore, J.S.; Campo, M.M.; Enser, M.; Mottram, D.S.,
Effect of lipid composition on meat-like model systems containing cysteine, ribose, and polyunsaturated fatty acids,
J. Agric. Food Chem., 2002, 50, 5, 1126-1132, https://doi.org/10.1021/jf0108718
. [all data]
Whitfield and Mottram, 2001
Whitfield, F.B.; Mottram, D.S.,
Heterocyclic volatiles formed by heating cysteine or hydrogen sulfide with 4-hydroxy-5-methyl-3(2H)-furanone at pH 6.5,
J. Agric. Food Chem., 2001, 49, 2, 816-822, https://doi.org/10.1021/jf0008644
. [all data]
Misharina, Golovnya, et al., 1993
Misharina, T.A.; Golovnya, R.V.; Beletsky, I.V.,
Sorption properties of heterocyclic compounds differing by heteroatom in capillary gas chromatography,
Russ. Chem. Bull. (Engl. Transl.), 1993, 42, 7, 1167-1170, https://doi.org/10.1007/BF00701998
. [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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