Thiophene, tetrahydro-2-methyl-
- Formula: C5H10S
- Molecular weight: 102.198
- IUPAC Standard InChIKey: AJPGNQYBSTXCJE-UHFFFAOYSA-N
- CAS Registry Number: 1795-09-1
- 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: 2-Methylthiolane; Tetrahydro-2-methylthiophene; 2-Methyltetrahydrothiophene; 2-Methylthiacyclopentane; 2-Methylthiophane; Tetrahydrothiophene, 2-methyl-
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Gas phase thermochemistry data
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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -15.27 ± 0.18 | kcal/mol | Ccr | Good, 1972 |
Condensed phase thermochemistry data
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -25.13 ± 0.17 | kcal/mol | Ccr | Good, 1972 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -930.59 ± 0.15 | kcal/mol | Ccr | Good, 1972 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -930.48 ± 0.15 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 58.630 | cal/mol*K | N/A | Messerly, Finke, et al., 1974 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
41.061 | 298.15 | Messerly, Finke, et al., 1974 | T = 10 to 380 K.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 172.39 | K | N/A | Messerly, Finke, et al., 1974, 2 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 9.86 ± 0.05 | kcal/mol | V | Good, 1972 | ALS |
ΔvapH° | 9.85 | kcal/mol | N/A | Good, 1972 | DRB |
ΔvapH° | 9.87 ± 0.02 | kcal/mol | N/A | Good, 1972 | See also Osborn and Douslin, 1966.; AC |
ΔvapH° | 9.99 | kcal/mol | N/A | Reid, 1972 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.70 | 318. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 303. to 433. K.; AC |
9.3 | 350. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 335. to 447. K. See also Osborn and Douslin, 1966.; AC |
9.25 | 356. | N/A | White, Barnard--Smith, et al., 1952 | Based on data from 341. to 411. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
335.78 to 446.24 | 4.06331 | 1409.503 | -58.742 | Osborn and Douslin, 1966 |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.1214 | 172.39 | Messerly, Finke, et al., 1974 | DH |
2.12 | 172.4 | Messerly, Finke, et al., 1974 | See also Domalski and Hearing, 1996.; AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
12.31 | 172.39 | Messerly, Finke, et al., 1974 | DH |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon M | 130. | 870. | Garbuzov, Misharina, et al., 1985 | He or N2, Chromosorb W, AW-DMCS; Column length: 2.1 m |
Capillary | OV-101 | 100. | 851. | Gal'pern, Gollandskikh, et al., 1976 | H2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 86. | 850. | Agr, Tesaric, et al., 1973 | |
Capillary | Squalane | 86. | 850. | Agrawal, Tesarík, et al., 1972 | N2, Celite 545; Column length: 50. m; Column diameter: 0.3 mm |
Packed | Apiezon L | 130. | 885. | Martinu and Janák, 1970 |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | BPX-5 | 866. | Aaslyng, Elmore, et al., 1998 | 50. m/0.32 mm/0.50 μm, He, 4. K/min; Tstart: 40. C; Tend: 280. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1112. | Chung, Eiserich, et al., 1994 | He, 60. C @ 4. min, 3. K/min, 220. C @ 30. min; Column length: 60. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | PONA | 827. | 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 | 822. | 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 | 822. | 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 | 825. | 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 | 822. | 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 | 825. | 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 | OV-101 | 851. | Limin, Jichun, et al., 1988 | 75. C @ 8. min, 2. K/min; Column length: 25. m; Column diameter: 0.25 mm; Tend: 130. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 845. | Farkas, Héberger, et al., 2004 | Program: not specified |
Capillary | SE-52 | 879. | van Langenhove and Schamp, 1986 | Column length: 100. m; Column diameter: 0.50 mm; Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1116. | Umano, Hagi, et al., 1995 | He, 40. C @ 2. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 200. C |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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.
Good, 1972
Good, W.D.,
Enthalpies of combustion of 18 organic sulfur compounds related to petroleum,
J. Chem. Eng. Data, 1972, 17, 158-162. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Messerly, Finke, et al., 1974
Messerly, J.F.; Finke, H.L.; Todd, S.S.,
Low-temperature thermal studies on six organo-sulfur compounds,
J. Chem. Thermodynam., 1974, 6, 635-657. [all data]
Messerly, Finke, et al., 1974, 2
Messerly, J.F.; Finke, H.L.; Todd, S.S.,
Low-temperature thermal sudies on six organo-sulfur compounds,
J. Chem. Thermodyn., 1974, 6, 635-57. [all data]
Osborn and Douslin, 1966
Osborn, A.G.; Douslin, D.R.,
Vapor Pressure Relations of 36 Sulfur Compounds Present in Petroleum.,
J. Chem. Eng. Data, 1966, 11, 4, 502-509, https://doi.org/10.1021/je60031a014
. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
White, Barnard--Smith, et al., 1952
White, P.T.; Barnard--Smith, D.G.; Fidler, F.A.,
Vapor Pressure--Temperature Relationships of Sulfur Compounds Related to Petroleum,
Ind. Eng. Chem., 1952, 44, 6, 1430-1438, https://doi.org/10.1021/ie50510a064
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Garbuzov, Misharina, et al., 1985
Garbuzov, V.G.; Misharina, T.A.; Aerov, A.F.; Golovnya, R.V.,
Gas chromatographic retention indices for sulphur(II)-containing organic substances,
J. Anal. Chem. USSR (Engl. Transl.), 1985, 40, 4, 576-586. [all data]
Gal'pern, Gollandskikh, et al., 1976
Gal'pern, G.D.; Gollandskikh, N.I.; Gordadze, G.N.,
Application of methylene-insertion reactions to cyclic sulphides (C4H8S, C5H10S and C6H12S) to produce standard compounds for gas chromatography,
J. Chromatogr., 1976, 124, 1, 43-51, https://doi.org/10.1016/S0021-9673(00)87835-8
. [all data]
Agr, Tesaric, et al., 1973
Agr, X.X.; Tesaric, K.; Janak, J.,
Will be entered later,
J. Chromatogr., 1973, 95, 207-215. [all data]
Agrawal, Tesarík, et al., 1972
Agrawal, B.B.; Tesarík, K.; Janák, J.,
Gas chromatographic characterization of sulphur compounds in the 93-162° gasoline cut from Romashkino crude oil using Kováts retention indices,
J. Chromatogr., 1972, 65, 1, 207-215, https://doi.org/10.1016/S0021-9673(00)86933-2
. [all data]
Martinu and Janák, 1970
Martinu, V.; Janák, J.,
Gas-liquid chromatographic retention data of some aliphatic and alicyclic sulphides,
J. Chromatogr., 1970, 52, 69-75, https://doi.org/10.1016/S0021-9673(01)96545-8
. [all data]
Aaslyng, Elmore, et al., 1998
Aaslyng, M.D.; Elmore, J.S.; Mottram, D.S.,
Comparison of the aroma characteristics of acid-hydrolyzed and enzyme-hydrolyzed vegetable proteins produced from soy,
J. Agric. Food Chem., 1998, 46, 12, 5225-5231, https://doi.org/10.1021/jf9806816
. [all data]
Chung, Eiserich, et al., 1994
Chung, T.Y.; Eiserich, J.P.; Shibamoto, T.,
Volatile compounds produced from peanut oil heated with different amounts of cysteine,
J. Agric. Food Chem., 1994, 42, 8, 1743-1746, https://doi.org/10.1021/jf00044a032
. [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]
Limin, Jichun, et al., 1988
Limin, Z.; Jichun, J.; Shiyi, L.; Keman, S.,
Identification of sulfur ethers in Jianghan naphtha fractions,
Acta Petrolei Sinica, 1988, 4, 1, 100-107. [all data]
Farkas, Héberger, et al., 2004
Farkas, O.; Héberger, K.; Zenkevich, I.G.,
Quantitative structure-retention relationships. XIV. Prediction of gas chromatographic retention indices for saturated O-, N-, and S-heterocyclic compounds,
Chemom. Intell. Lab. Syst., 2004, 72, 2, 173-184, https://doi.org/10.1016/j.chemolab.2004.01.012
. [all data]
van Langenhove and Schamp, 1986
van Langenhove, H.; Schamp, N.,
Identification of Volatiles in the Head Space of Acid-Treated Phosphate Rock by Gas Chromatography-Mass Spectromety,
J. Chromatogr., 1986, 351, 65-75, https://doi.org/10.1016/S0021-9673(01)83473-7
. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Ttriple Triple point temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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