Thiobenzoic acid
 | |
| Names | |
|---|---|
| IUPAC name
benzenecarbothioic S-acid | |
Other names
| |
| Identifiers | |
| 98-91-9 | |
| 3D model (Jmol) | Interactive image |
| ChemSpider | 7136 |
| EC Number | 202-712-9202-712-9 |
| 1071790 | |
| PubChem | 7414 |
| RTECS number | DH6839000 |
| |
| |
| Properties | |
| C7H6OS | |
| Molar mass | 138.18 g·mol−1 |
| Appearance | Clear yellow liquid |
| Density | 1.1775 g/cm3 |
| Melting point | 24 °C (75 °F; 297 K) |
| Boiling point | 222 °C (432 °F; 495 K) |
| Very soluble | |
| Vapor pressure | 0.1 |
| Acidity (pKa) | 3.61 |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Thiobenzoic acid is an organosulfur compound with molecular formula C
7H
6OS.[1][2][3][4] It is the parent of aryl thiocarboxylic acids. With a pKa near 2.5, it acid is almost 100x more acidic than benzoic acid.[5] The conjugate base is thiobenzoate, C6H5COS-.
References
- ↑ "Thiobenzoic acid - C7H6OS - PubChem".
- ↑ "Benzenecarbothioic acid". NIST.
- ↑ "Thiobenzoic acid(98-91-9)MSDS Melting Point Boiling Density Storage Transport".
- ↑ "Thiobenzoic acid - C7H6OS - ChemSpider".
- ↑ Matthys J. Janssen "Carboxylic Acids and Esters" in PATAI's Chemistry of Functional Groups: Carboxylic Acids and Esters, Saul Patai, Ed. John Wiley, 1969, New York: pp. 705–764. doi:10.1002/9780470771099.ch15
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