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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Phase change data
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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 433.3 | K | N/A | Midgley, Henne, et al., 1932 | Uncertainty assigned by TRC = 2. K |
Tboil | 433.2 | K | N/A | Midgley, Henne, et al., 1932 | Uncertainty assigned by TRC = 1.5 K |
Tboil | 433.3 | K | N/A | Shepard, 1932 | Uncertainty assigned by TRC = 1.5 K |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 199.0 | K | N/A | Midgley, Henne, et al., 1932 | Uncertainty assigned by TRC = 1. K |
Tfus | 203.8 | K | N/A | Midgley, Henne, et al., 1932 | Uncertainty assigned by TRC = 1.5 K |
Tfus | 204.7 | K | N/A | Shepard, 1932 | Uncertainty assigned by TRC = 0.8 K |
Gas Chromatography
Go To: Top, Phase change data, 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, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Midgley, Henne, et al., 1932
Midgley, T.; Henne, A.L.; Shepard, A.F.,
Natural and Synthetic Rubber IX. The Products of Destructive Distillation of Ebonite,
J. Am. Chem. Soc., 1932, 54, 2857-60. [all data]
Shepard, 1932
Shepard, A.F.,
The Preparation and Properties of Some Substituted 2-Methylthiophenes,
J. Am. Chem. Soc., 1932, 54, 2951. [all data]
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, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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