Benzo[b]thiophene
- Formula: C8H6S
- Molecular weight: 134.198
- IUPAC Standard InChIKey: FCEHBMOGCRZNNI-UHFFFAOYSA-N
- CAS Registry Number: 95-15-8
- 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: Thianaphthene; Benzothiofuran; Benzothiophen; Thianaphtene; Thianaphthen; Thionaphthene; 1-Benzothiophene; 1-Thiaindene; 2,3-Benzothiophene; Benzothiophene; NSC 47196
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Phase change data
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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 494.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 494. to 495. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Tboil | 494.15 | K | N/A | Cooper, Crowne, et al., 1967 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 493.1 | K | N/A | Haines, Helm, et al., 1956 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 305. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Tfus | 304.49 | K | N/A | Haines, Helm, et al., 1956 | Uncertainty assigned by TRC = 0.05 K; determined at U. S. Bureau of Mines, Barltlesville, OK; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 304.48 | K | N/A | Chirico, Knipmeyer, et al., 1991 | Uncertainty assigned by TRC = 0.02 K; TRC |
Ttriple | 304.50 | K | N/A | Finke, Gross, et al., 1954 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 65.7 ± 0.2 | kJ/mol | C | Sabbah, 1979 | AC |
ΔsubH° | 65.68 ± 0.17 | kJ/mol | C | Sabbah, 1979, 2 | ALS |
ΔsubH° | 65.7 | kJ/mol | N/A | Sabbah, 1979, 2 | DRB |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
377.2 | 0.027 | Weast and Grasselli, 1989 | BS |
376. to 378. | 0.027 | Buckingham and Donaghy, 1982 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
52.1 | 364. | Dykyj, Svoboda, et al., 1999 | Based on data from 349. to 424. K.; AC |
47.9 | 439. | Dykyj, Svoboda, et al., 1999 | Based on data from 424. to 498. K.; AC |
45.0 | 513. | Dykyj, Svoboda, et al., 1999 | Based on data from 498. to 631. K.; AC |
54.3 | 320. | Chirico, Knipmeyer, et al., 1991, 2 | Based on data from 310. to 542. K.; AC |
52.0 | 360. | Chirico, Knipmeyer, et al., 1991, 2 | Based on data from 310. to 542. K.; AC |
49.7 | 400. | Chirico, Knipmeyer, et al., 1991, 2 | Based on data from 310. to 542. K.; AC |
46.2 | 460. | Chirico, Knipmeyer, et al., 1991, 2 | Based on data from 310. to 542. K.; AC |
43.8 | 500. | Chirico, Knipmeyer, et al., 1991, 2 | Based on data from 310. to 542. K.; AC |
41.2 | 540. | Chirico, Knipmeyer, et al., 1991, 2 | Based on data from 310. to 542. K.; AC |
53.8 | 326. | Edwards and Prausnitz, 1981 | Based on data from 306. to 346. K. See also Dykyj, Svoboda, et al., 1999.; AC |
47.2 | 425. | Wieczorek and Kobayashi, 1981 | AC |
42.8 | 505. | Wieczorek and Kobayashi, 1981 | AC |
36.1 | 605. | Wieczorek and Kobayashi, 1981 | AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
11.827 | 304.50 | Finke, Gross, et al., 1954, 2 | DH |
11.84 | 304.5 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
38.84 | 304.50 | Finke, Gross, et al., 1954, 2 | DH |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
11.8191 | 304.48 | crystaline, I | liquid | Chirico, Knipmeyer, et al., 1991, 2 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
38.82 | 304.48 | crystaline, I | liquid | Chirico, Knipmeyer, et al., 1991, 2 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Cooper, Crowne, et al., 1967
Cooper, A.R.; Crowne, C.W.P.; Farrell, P.G.,
Gas-Liquid Chromatographic Studies of Electron-Donor-Acceptor Systems,
Trans. Faraday Soc., 1967, 63, 447. [all data]
Haines, Helm, et al., 1956
Haines, W.E.; Helm, R.V.; Cook, G.L.; Ball, J.S.,
Purification and Properties of Organic Sulfur Compounds,
J. Phys. Chem., 1956, 60, 549-55. [all data]
Chirico, Knipmeyer, et al., 1991
Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Steele, W.V.,
The thermodynamic properties of benzo[b]thiophene,
J. Chem. Thermodyn., 1991, 23, 759-79. [all data]
Finke, Gross, et al., 1954
Finke, H.L.; Gross, M.E.; Messerly, J.F.; Waddington, G.,
Benzothiophene: heat capacity, heat of transition, heat of fusion and entropy. an order-disorder transition,
J. Am. Chem. Soc., 1954, 76, 854. [all data]
Sabbah, 1979
Sabbah, R.,
Thermodynamics of sulfur compounds. I. Thermochemical study of 2,3-benzothiophene and dibenzothiophene,
Bull. Soc. Chim. Fr., 1979, 9-10, 434. [all data]
Sabbah, 1979, 2
Sabbah, R.,
Thermodynamique de substances soufrees. I. Etude thermochimique du benzo-2,3 thiophene et du dibenzothiophene,
Bull. Soc. Chim. France, 1979, 9, 434-437. [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]
Chirico, Knipmeyer, et al., 1991, 2
Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Steele, W.V.,
The thermodynamic properties of benzo[b]thiophene,
J. Chem. Thermodyn., 1991, 23, 759-779. [all data]
Edwards and Prausnitz, 1981
Edwards, D.R.; Prausnitz, J.M.,
Vapor pressures of some sulfur-containing, coal-related compounds,
J. Chem. Eng. Data, 1981, 26, 2, 121-124, https://doi.org/10.1021/je00024a005
. [all data]
Wieczorek and Kobayashi, 1981
Wieczorek, Stefan A.; Kobayashi, Riki,
Vapor-pressure measurements of 1-methylnaphthalene, 2-methylnaphthalene, and 9,10-dihydrophenanthrene at elevated temperatures,
J. Chem. Eng. Data, 1981, 26, 1, 8-11, https://doi.org/10.1021/je00023a005
. [all data]
Finke, Gross, et al., 1954, 2
Finke, H.L.; Gross, M.E.; Messerly, J.F.; Waddington, G.,
Benzothiophene: heat capacity, heat of transition, heat of fusion and entropy. An order-disorder transition,
J. Am. Chem. Soc., 1954, 76, 854-857. [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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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