Thiophene, 2-methyl-
- Formula: C5H6S
- Molecular weight: 98.166
- IUPAC Standard InChIKey: XQQBUAPQHNYYRS-UHFFFAOYSA-N
- CAS Registry Number: 554-14-3
- 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-Methylthiophene; 2-Methylthiacyclopentadiene; 2-methylthiacyclopentadiene (2-methylthiophene)
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Normal alkane 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 | Capillary |
---|---|---|---|---|---|
Active phase | MDN-5 | PONA | PONA | PONA | SE-54 |
Column length (m) | 60. | 50. | 50. | 50. | 25. |
Carrier gas | He | N2 | Helium | He | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.20 | 0.20 | 0.20 | 0.20 |
Phase thickness (μm) | 0.25 | 0.50 | 0.50 | 0.50 | 0.50 |
Tstart (C) | 40. | 35. | 30. | 30. | 35. |
Tend (C) | 270. | 170. | 150. | 170. | 250. |
Heat rate (K/min) | 4. | 2. | 2. | 2. | 5. |
Initial hold (min) | 4. | 2. | |||
Final hold (min) | 5. | ||||
I | 770. | 753. | 749. | 752. | 776. |
Reference | van Loon, Linssen, et al., 2005 | Yang, Wang, et al., 2004 | Yang, Wang, et al., 2003 | Yang, Yang, et al., 2003 | Bellesia, Pinetti, et al., 2001 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | HP-5 | DB-1 | DB-5 | CP-Sil 5 | CP-Sil 5 |
Column length (m) | 50. | 60. | 60. | 25. | 25. |
Carrier gas | He | He | Helium | Helium | |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.25 | 0.32 | 0.32 |
Phase thickness (μm) | 0.52 | 1.0 | 0.45 | 0.45 | |
Tstart (C) | 35. | 40. | 40. | 0. | 0. |
Tend (C) | 250. | 280. | 160. | 300. | 300. |
Heat rate (K/min) | 2. | 2. | 2. | 3. | 3. |
Initial hold (min) | 15. | 5. | 5. | 5. | |
Final hold (min) | 45. | ||||
I | 795. | 767. | 780. | 750. | 750. |
Reference | Boylston and Viniyard, 1998 | Tai and Ho, 1998 | Macku and Shibamoto, 1991 | Damste, van Dalen, et al., 1988 | Damste, van Dalen, et al., 1988 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary |
---|---|---|
Active phase | CP Sil 5 CB | CP Sil 5 CB |
Column length (m) | 25. | 25. |
Carrier gas | He | He |
Substrate | ||
Column diameter (mm) | 0.32 | 0.32 |
Phase thickness (μm) | 0.45 | 0.45 |
Tstart (C) | 50. | 50. |
Tend (C) | 300. | 300. |
Heat rate (K/min) | 3. | 3. |
Initial hold (min) | ||
Final hold (min) | ||
I | 750. | 750. |
Reference | Damste, Kock-van Dalen, et al., 1988 | Damste, Kock-van Dalen, et al., 1988 |
Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane 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.
van Loon, Linssen, et al., 2005
van Loon, W.A.M.; Linssen, J.P.H.; Legger, A.; Posthumus, M.A.; Voragen, A.G.J.,
Identification and olfactometry of French fries flavour extracted at mouth conditions,
Food Chem., 2005, 90, 3, 417-425, https://doi.org/10.1016/j.foodchem.2004.05.005
. [all data]
Yang, Wang, et al., 2004
Yang, Y.; Wang, Z.; Zong, B.; Yang, H.,
Determination of sulfur compounds in fluid catalytic cracking gasoline by gas chromatography with a sulfur chemiluminiscence detector,
Chin. J. Chromatogr., 2004, 22, 3, 216-219. [all data]
Yang, Wang, et al., 2003
Yang, Y.-T.; Wang, Z.; Han. J.-H.; Tian, H.-P.; Yang, H.-Y.,
Determination of sulfur compounds in gasoline fraction of microreactor products by gas chromatography - Atomic emission detector,
Petrochemical Technology (Shiyou Huagong), 2003, 32, 11, 995-998. [all data]
Yang, Yang, et al., 2003
Yang, Y.T.; Yang, H.Y.; Zong, B.N.; Lu, W.Z.,
determination and distribution of sulfur compounds in gasoline by gas chromatography-atomic emission detector,
Chinise J. Anal. Chem. (Fenxi Huaxue), 2003, 31, 10, 1153-1158. [all data]
Bellesia, Pinetti, et al., 2001
Bellesia, F.; Pinetti, A.; Tirillini, B.; Bianchi, A.,
Temperature-dependent evolution of volatile organic compounds in Tuber borchii from Italy,
Flavour Fragr. J., 2001, 16, 1, 1-6, https://doi.org/10.1002/1099-1026(200101/02)16:1<1::AID-FFJ936>3.0.CO;2-Y
. [all data]
Boylston and Viniyard, 1998
Boylston, T.D.; Viniyard, B.T.,
Isolation of volatile flavor compounds from peanut butter using purge-and-trap technique
in Instrumental Methods in Food and Beverage Analysis, D. Wetzel and G. Charalambous, ed(s)., 1998, 225-243. [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]
Macku and Shibamoto, 1991
Macku, C.; Shibamoto, T.,
Volatile sulfur-containing compounds generated from the thermal interaction of corn oil and cysteine,
J. Agric. Food Chem., 1991, 39, 11, 1987-1989, https://doi.org/10.1021/jf00011a021
. [all data]
Damste, van Dalen, et al., 1988
Damste, J.S.S.; van Dalen, A.C.K.; de Leeuw, J.W.; Schenck, P.A.,
Identification of homologous series of alkylated thiophenes, thiolanes, thianes and benzothiophenes present in pyrolisates of sulfur-rich kerogenes,
J. Chromatogr., 1988, 435, 435-452, https://doi.org/10.1016/S0021-9673(01)82208-1
. [all data]
Damste, Kock-van Dalen, et al., 1988
Damste, J.S.S.; Kock-van Dalen, A.C.; de Leeuw, J.W.; Schenk, P.A.,
Identification of homologous series of alkylated thiophenes, thiolanes, thianes and benzothiophenes present in pyrolysates of sulphur-rich kerogens,
J. Chromatogr., 1988, 435, 435-452, https://doi.org/10.1016/S0021-9673(01)82208-1
. [all data]
Notes
Go To: Top, Normal alkane 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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