4-Methylthiazole
- Formula: C4H5NS
- Molecular weight: 99.154
- IUPAC Standard InChIKey: QMHIMXFNBOYPND-UHFFFAOYSA-N
- CAS Registry Number: 693-95-8
- 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: Thiazole, 4-methyl-
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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 406.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 406.36 | K | N/A | Soulie, Bares, et al., 1975 | Uncertainty assigned by TRC = 0.25 K; calculated from Antoine eq. fit to obs. vapor pressures; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 229.02 | K | N/A | Meyer and Metzger, 1966 | Uncertainty assigned by TRC = 0.05 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 43.8 ± 0.2 | kJ/mol | V | Mansson and Sunner, 1966 | ALS |
ΔvapH° | 43.8 ± 0.2 | kJ/mol | C | Mansson and Sunner, 1966 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
40.8 | 361. | A | Stephenson and Malanowski, 1987 | Based on data from 346. to 408. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.9 | 229.1 | Meyer and Metzger, 1966 | AC |
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.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Soulie, Bares, et al., 1975
Soulie, M.A.; Bares, D.; Metzger, J.,
Vapor Pressures of Some Azaaromatic Compounds,
C. R. Seances Acad. Sci., Ser. C, 1975, 281, 341. [all data]
Meyer and Metzger, 1966
Meyer, R.; Metzger, J.,
C. R. Acad. Sci. Paris, Ser. C, 1966, 263, 1333. [all data]
Mansson and Sunner, 1966
Mansson, M.; Sunner, S.,
Heats of combustion and formation of 4-methylthiazole and 4-cyanothiazole,
Acta Chem. Scand., 1966, 20, 845-848. [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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy 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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