| Identification | ||
| Name | 2-Thiophenecarboxylic acid | |
| Synonyms | Thiophene-2-carboxylic acid; 2-Thenoic acid | |
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| Molecular Structure |
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| Molecular Formula | C5H4O2S | |
| Molecular Weight | 128.14 | |
| CAS Registry Number | 527-72-0 | |
| EINECS | 208-423-4 | |
| Properties | ||
| Melting point | 126-130 ºC | |
| Boiling point | 260 ºC | |
| Water solubility | 80 g/L (20 ºC) | |