Thiophene, 2,5-dimethyl-
- Formula: C6H8S
- Molecular weight: 112.193
- IUPAC Standard InChIKey: GWQOOADXMVQEFT-UHFFFAOYSA-N
- CAS Registry Number: 638-02-8
- 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: 2,5-Dimethylthiophene
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Normal alkane RI, non-polar column, custom temperature program
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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
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | VF-5 | VF-5 | HP-5 MS | Polydimethyl siloxane | HP-5MS |
Column length (m) | 30. | 30. | 30. | 30. | |
Carrier gas | Helium | Helium | Helium | He | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Program | 50 0C (2 min) 3 0C/min -> 200 0C (3 min) 10 0C/min -> 220 0C (8 min) | not specified | 40 0C (5 min) 30 0C/min -> 60 0C 6 0C/min -> 230 0C (10 min) | 40 0C 20 0C/min -> 60 0C (5 min) 4 0C/min -> 250 0C | 40C(3min) => 8C/min => 160C => 15C/min => 300C |
I | 882. | 882. | 878. | 873. | 894. |
Reference | Shivashankar, Roy, et al., 2012 | Shivashankar, Roy, et al., 2012 | Grzeszczuk, Wesolowska, et al., 2011 | Xu, He, et al., 2010 | Mu, Wang, et al., 2007 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|
Active phase | HP-5 MS | SE-30 | PONA | Methyl Silicone |
Column length (m) | 30. | 50. | ||
Carrier gas | ||||
Substrate | ||||
Column diameter (mm) | 0.25 | 0.20 | ||
Phase thickness (μm) | 0.25 | 0.50 | ||
Program | 40 0C (3 min) 2 0C/min -> 150 0C 20 0C/min -> 220 0C (5 min) | not specified | not specified | not specified |
I | 905. | 866. | 853. | 852. |
Reference | Pyun and Shin, 2006 | Vinogradov, 2004 | Yang, Wang, et al., 2003 | Misharina, 1995 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Shivashankar, Roy, et al., 2012
Shivashankar, S.; Roy, T.K.; Moorthy, P.N.R.,
Headspace solid phase micro extraction and GC/MS analysis of the volatile components in seed and cake of Azadirachta indica A. juss,
Chem. Bull. of Politechnika Univ. Timisoara, Romania, 2012, 57(71), 1, 1-6. [all data]
Grzeszczuk, Wesolowska, et al., 2011
Grzeszczuk, M.; Wesolowska, A.; Jadczak, D.; Jakubowska, B.,
Nutritional value of Chili edible flowers,
Acta Sci. Pol. Hortorum Cultus, 2011, 10, 2, 85-94. [all data]
Xu, He, et al., 2010
Xu, H.; He, W.; Liu, X.; Gao, Y.,
Effect of pressure on the Maillard reaction between ribose and cysteine in supercritical carbon dioxide,
Czech J. Food Sci., 2010, 28, 3, 192-201. [all data]
Mu, Wang, et al., 2007
Mu, R.; Wang, X.; Liu, S.; Yuan, X.; Wang, S.; Fan, Z.,
Rapid Determination of Volatile Compounds in Toona sinensis (A. Juss.) Roem. by MAE-HS-SPME Followed by GC-MS,
Chromatographia, 2007, 65, 7-8, 463-467, https://doi.org/10.1365/s10337-007-0183-0
. [all data]
Pyun and Shin, 2006
Pyun, M.-S.; Shin, S.,
Antifungal effects of the volatile oils from Allium plants against Trichophyton species and synergism of the oils with ketoconazole,
Phytomedicine, 2006, 13, 6, 394-400, https://doi.org/10.1016/j.phymed.2005.03.011
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [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]
Misharina, 1995
Misharina, T.A.,
Sorption regularities of sulfur- and oxygen-containing compounds in chromatography and their application in identification of volatile organic compounds, Diss. degree of Dr. Sci. (Chemistry), 1995, 52. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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