5-Methyl-2-thiophenecarboxylic acid
- Product Name5-Methyl-2-thiophenecarboxylic acid
- CAS1918-79-2
- MFC6H6O2S
- MW142.18
- EINECS217-640-3
- MOL File1918-79-2.mol
Chemical Properties
| Melting point | 135-138 °C(lit.) |
| Boiling point | 229.75°C (rough estimate) |
| Density | 1.365 (estimate) |
| refractive index | 1.5300 (estimate) |
| storage temp. | 2-8°C(protect from light) |
| pka | 3.71±0.10(Predicted) |
| form | Liquid |
| color | Clear |
| BRN | 113857 |
| CAS DataBase Reference | 1918-79-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 5-Methyl-2-thiophenecarboxylic acid (keto form)(1918-79-2) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| HazardClass | IRRITANT |
| HS Code | 29309090 |
