Thiophene
- Formula: C4H4S
- Molecular weight: 84.140
- IUPAC Standard InChIKey: YTPLMLYBLZKORZ-UHFFFAOYSA-N
- CAS Registry Number: 110-02-1
- 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: Thiacyclopentadiene; CP 34; Furan, thio-; Huile HSO; Huile H50; Thiaphene; Thiofuram; Thiofuran; Thiofurfuran; Thiole; Thiophen; Thiotetrole; Divinylene sulfide; USAF EK-1860; Thiofen; UN 2414; Hopkin's lactic acid reagent; NSC 405073
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Normal alkane 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 | Capillary |
---|---|---|---|---|---|
Active phase | HP-Innowax | FFAP | FFAP | TC-Wax | HP-Wax |
Column length (m) | 15. | 30. | 30. | 60. | 60. |
Carrier gas | Helium | Nitrogen | N2 | He | He |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.32 | 0.25 | 0.25 |
Phase thickness (μm) | 0.50 | 0.50 | 0.5 | 0.5 | 0.5 |
Tstart (C) | 40. | 35. | 35. | 40. | 40. |
Tend (C) | 250. | 250. | 320. | 230. | 190. |
Heat rate (K/min) | 3. | 4. | 4. | 3. | 3. |
Initial hold (min) | 5. | 5. | 8. | 6. | |
Final hold (min) | 45. | 45. | |||
I | 1010. | 1024. | 1024. | 1026. | 1021. |
Reference | Puvipirom and Chaisei, 2012 | Budryn, Nebesny, et al., 2011 | Nebesny, Budryn, et al., 2007 | Ishikawa, Ito, et al., 2004 | Sanz, Maeztu, et al., 2002 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | HP-Wax | HP-Wax | DB-Wax | DB-Wax | DB-Wax |
Column length (m) | 60. | 60. | 60. | 60. | 60. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.32 | 0.32 | 0.25 |
Phase thickness (μm) | 0.5 | 0.5 | 0.5 | 0.25 | |
Tstart (C) | 40. | 40. | 34. | 34. | 40. |
Tend (C) | 190. | 190. | 200. | 200. | 200. |
Heat rate (K/min) | 3. | 3. | 5. | 5. | 2. |
Initial hold (min) | 6. | 6. | 3. | 3. | 2. |
Final hold (min) | 10. | 10. | |||
I | 1021. | 1021. | 1041. | 995. | 1022. |
Reference | Maeztu, Sanz, et al., 2001 | Sanz, Ansorena, et al., 2001 | Schlüter, Steinhart, et al., 1999 | Schlüter, Steinhart, et al., 1999 | Umano, Hagi, et al., 1995 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Carbowax 20M | Carbowax 20M | Carbowax 20M | Carbowax 20M | Carbowax 20M |
Column length (m) | 80. | 100. | 100. | 100. | 100. |
Carrier gas | N2 | N2 | |||
Substrate | |||||
Column diameter (mm) | 0.2 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | |||||
Tstart (C) | 70. | 70. | 70. | 70. | 70. |
Tend (C) | 170. | 170. | 170. | 170. | 170. |
Heat rate (K/min) | 2. | 1. | 1. | 1. | 1. |
Initial hold (min) | |||||
Final hold (min) | |||||
I | 1035. | 1032. | 1034. | 1032. | 1035. |
Reference | Egolf and Jurs, 1993 | Shibamoto and Russell, 1977 | Shibamoto and Russell, 1977 | Shibamoto and Russell, 1976 | Shibamoto and Russell, 1976 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane 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.
Puvipirom and Chaisei, 2012
Puvipirom, J.; Chaisei, S.,
Contribution of roasted grains and seeds in aroma of oleang (Thai coffee drink),
Int. Food Res. J., 2012, 19, 2, 583-588. [all data]
Budryn, Nebesny, et al., 2011
Budryn, G.; Nebesny, E.; Kula, J.; Majda, T.; Krysiak, W.,
HS-SPME/GC/MS Profiles of convectively and microwave roasted Ivory Coast Robusta coffee brews,
Czech. J. Food Sci., 2011, 29, 2, 151-160. [all data]
Nebesny, Budryn, et al., 2007
Nebesny, E.; Budryn, G.; Kula, J.; Majda, T.,
The effect of roasting method on headspace composition of robusta coffee bean aroma,
Eur. Food Res. Technol., 2007, 225, 1, 9-19, https://doi.org/10.1007/s00217-006-0375-0
. [all data]
Ishikawa, Ito, et al., 2004
Ishikawa, M.; Ito, O.; Ishizaki, S.; Kurobayashi, Y.; Fujita, A.,
Solid-phase aroma concentrate extraction (SPACE ): a new headspace technique for more sensitive analysis of volatiles,
Flavour Fragr. J., 2004, 19, 3, 183-187, https://doi.org/10.1002/ffj.1322
. [all data]
Sanz, Maeztu, et al., 2002
Sanz, C.; Maeztu, L.; Zapelena, M.J.; Bello, J.; Cid, C.,
Profiles of volatile compounds and sensory analysis of three blends of coffee: influence of different proportions of Arabica and Robusta and influence of roasting coffee with sugar,
J. Sci. Food Agric., 2002, 82, 8, 840-847, https://doi.org/10.1002/jsfa.1110
. [all data]
Maeztu, Sanz, et al., 2001
Maeztu, L.; Sanz, C.; Andueza, S.; de Peña, M.P.; Bello, J.; Cid, C.,
Characterization of espresso coffee aroma by static headspace GC-MS and sensory flavor profile,
J. Agric. Food Chem., 2001, 49, 11, 5437-5444, https://doi.org/10.1021/jf0107959
. [all data]
Sanz, Ansorena, et al., 2001
Sanz, C.; Ansorena, D.; Bello, J.; Cid, C.,
Optimizing headspace temperature and time sampling for identification of volatile compounds in ground roasted Arabica coffee,
J. Agric. Food Chem., 2001, 49, 3, 1364-1369, https://doi.org/10.1021/jf001100r
. [all data]
Schlüter, Steinhart, et al., 1999
Schlüter, S.; Steinhart, H.; Schwarz, F.J.; Kirchgessner, M.,
Changes in the odorants of boiled carp fillet (Cyprinus carpio L.) as affected by increasing methionine levels in feed,
J. Agric. Food Chem., 1999, 47, 12, 5146-5150, https://doi.org/10.1021/jf9902604
. [all data]
Umano, Hagi, et al., 1995
Umano, K.; Hagi, Y.; Nakahara, K.; Shyoji, A.; Shibamoto, T.,
Volatile chemicals formed in the headspace of a heated D-glucose/L-cysteine Maillard model system,
J. Agric. Food Chem., 1995, 43, 8, 2212-2218, https://doi.org/10.1021/jf00056a046
. [all data]
Egolf and Jurs, 1993
Egolf, L.M.; Jurs, P.C.,
Quantitative structure-retention and structure-odor intensity relationships for a diverse group of odor-active compounds,
Anal. Chem., 1993, 65, 21, 3119-3126, https://doi.org/10.1021/ac00069a027
. [all data]
Shibamoto and Russell, 1977
Shibamoto, T.; Russell, G.F.,
A study of the volatiles isolated from a D-glucose-hydrogen sulfide-ammonia model system,
J. Agric. Food Chem., 1977, 25, 1, 109-112, https://doi.org/10.1021/jf60209a054
. [all data]
Shibamoto and Russell, 1976
Shibamoto, T.; Russell, G.F.,
Study of meat volatiles associated with aroma generated in a D-glucose-hydrogen sulfide-ammonia model system,
J. Agric. Food Chem., 1976, 24, 4, 843-846, https://doi.org/10.1021/jf60206a047
. [all data]
Notes
Go To: Top, Normal alkane 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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