3-Methyl-2-thiophenecarboxylic acid
- Formula: C6H6O2S
- Molecular weight: 142.176
- IUPAC Standard InChI: InChI=1S/C6H6O2S/c1-4-2-3-9-5(4)6(7)8/h2-3H,1H3,(H,7,8)
- IUPAC Standard InChIKey: IFLKEBSJTZGCJG-UHFFFAOYSA-N
- CAS Registry Number: 23806-24-8
- 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: 3-Methylthiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 3-methyl-; 3-methyl-2-thenoic acid; Methyl 2-thiophenecarboxylate
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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 by: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 23.4 ± 0.1 | kcal/mol | ME | Ribeiro da Silva and Santos, 2008 | Based on data from 312. - 334. K. |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 23.1 ± 0.1 | 323.2 | ME | Ribeiro da Silva and Santos, 2008 | Based on data from 312. - 334. K. |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ribeiro da Silva and Santos, 2008
Ribeiro da Silva, Manuel A.V.; Santos, Ana Filipa L.O.M.,
Thermochemical properties of three 2-thiophenecarboxylic acid derivatives,
The Journal of Chemical Thermodynamics, 2008, 40, 9, 1451-1457, https://doi.org/10.1016/j.jct.2008.04.013
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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