40748-90-1
| Name | 4-Hydroxy-2-thiophenecarboxylic acid |
| CAS | 40748-90-1 |
| Molecular Formula | C5H4O3S |
| MDL Number | MFCD08695062 |
| Molecular Weight | 144.15 |
| MOL File | 40748-90-1.mol |
Chemical Properties
| Melting point | 185 °C (decomp) |
| Boiling point | 381.0±27.0 °C(Predicted) |
| density | 1.603±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C, stored under nitrogen |
| pka | 4.24±0.10(Predicted) |
| Appearance | Light green to green Solid |
Safety Data
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H335-H302-H319 |
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362-P264-P270-P301+P312-P330-P501 |