Thiophene, 2-ethyl-5-methyl-
- Formula: C7H10S
- Molecular weight: 126.219
- 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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Mass spectrum (electron ionization)
Go To: Top, Gas Chromatography, 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
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | TNO Volatile Compounds in Food - Chemical Concepts |
NIST MS number | 249850 |
Gas Chromatography
Go To: Top, Mass spectrum (electron ionization), 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP Sil 8 CB | 967. | Elmore, Campo, et al., 2002 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 2. min, 4. K/min; Tend: 280. C |
Capillary | CP Sil 8 CB | 967. | Elmore, Campo, et al., 2002 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 2. min, 4. K/min; Tend: 280. C |
Capillary | BP-5 | 959. | Whitfield and Mottram, 2001 | 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 60. C; Tend: 250. C |
Capillary | OV-101 | 957. | Misharina, Golovnya, et al., 1993 | 50. m/0.32 mm/0.5 μm, He, 4. K/min; Tstart: 50. C; Tend: 200. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | PONA | 952. | Yang, Wang, et al., 2004 | 50. m/0.20 mm/0.50 μm, N2, 2. K/min; Tstart: 35. C; Tend: 170. C |
Capillary | PONA | 951. | Yang, Yang, et al., 2003 | 50. m/0.20 mm/0.50 μm, Helium, 2. K/min; Tstart: 30. C; Tend: 170. C |
Capillary | CP-Sil 5 | 944. | Damste, van Dalen, et al., 1988 | 25. m/0.32 mm/0.45 μm, Helium, 0. C @ 5. min, 3. K/min; Tend: 300. C |
Capillary | CP-Sil 5 | 945. | Damste, van Dalen, et al., 1988 | 25. m/0.32 mm/0.45 μm, Helium, 0. C @ 5. min, 3. K/min; Tend: 300. C |
Capillary | CP Sil 5 CB | 944. | Damste, Kock-van Dalen, et al., 1988 | 25. m/0.32 mm/0.45 μm, He, 3. K/min; Tstart: 50. C; Tend: 300. C |
Capillary | CP Sil 5 CB | 945. | Damste, Kock-van Dalen, et al., 1988 | 25. m/0.32 mm/0.45 μm, He, 3. K/min; Tstart: 50. C; Tend: 300. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 957. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, 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]
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, 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]
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]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Notes
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References
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