Thiophene, 2-heptyl-
- Formula: C11H18S
- Molecular weight: 182.326
- IUPAC Standard InChI: InChI=1S/C11H18S/c1-2-3-4-5-6-8-11-9-7-10-12-11/h7,9-10H,2-6,8H2,1H3
- IUPAC Standard InChIKey: FGGZOCMVJAJPMH-UHFFFAOYSA-N
- CAS Registry Number: 18794-78-0
- 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: 2-n-Heptylthiophene; 2-Heptylthiophene
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Van Den Dool and Kratz 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 |
|---|---|---|---|---|
| Active phase | CP-Wax 52CB | DB-Wax | CP-WAX 57CB | CP-WAX 57CB |
| Column length (m) | 50. | 60. | 50. | 50. |
| Carrier gas | H2 | He | He | He |
| Substrate | ||||
| Column diameter (mm) | 0.32 | 0.25 | 0.32 | 0.32 |
| Phase thickness (μm) | ||||
| Tstart (C) | 50. | 60. | 60. | 60. |
| Tend (C) | 200. | 220. | 200. | 200. |
| Heat rate (K/min) | 2. | 3. | 4. | 4. |
| Initial hold (min) | 4. | 5. | 5. | |
| Final hold (min) | 30. | 10. | 10. | |
| I | 1684. | 1652. | 1653. | 1660. |
| Reference | Liu, Yang, et al., 2001 | Chung, Eiserich, et al., 1994 | Whitfield, Mottram, et al., 1988 | Whitfield, Mottram, et al., 1988 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz 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.
Liu, Yang, et al., 2001
Liu, T.-T.; Yang, T.-S.; Wu, C.-M.,
Changes of volatiles in soy sauce-stewed pork during cold storage and reheating,
J. Sci. Food Agric., 2001, 81, 15, 1547-1552, https://doi.org/10.1002/jsfa.978
. [all data]
Chung, Eiserich, et al., 1994
Chung, T.Y.; Eiserich, J.P.; Shibamoto, T.,
Volatile compounds produced from peanut oil heated with different amounts of cysteine,
J. Agric. Food Chem., 1994, 42, 8, 1743-1746, https://doi.org/10.1021/jf00044a032
. [all data]
Whitfield, Mottram, et al., 1988
Whitfield, F.B.; Mottram, D.S.; Brock, S.; Puckey, D.J.; Salter, L.J.,
Effect of Phospholipid on the Formation of Volatile Heterocyclic Compounds in Heated Aqueous Solutions of Amino Acids and Ribose,
J. Sci. Food Agric., 1988, 42, 3, 261-272, https://doi.org/10.1002/jsfa.2740420309
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz 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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