| 2-butynic acid; 2-butynoic acid; but-2-ynoic acid; methylacetylenecarboxylic acid; tetrolic acid | |
| Links: | ⚗️ ChemSynthesis, 📖 PubMed, 📖Org. Chem., v. Richter, 1. Vol (Tetrolic Acid); p. 291, 296, 304, |
| CAS RN: | [590-93-2] |
| Formula: | C4H4O2; 84.07 g/mol |
| InChiKey: | LUEHNHVFDCZTGL-UHFFFAOYSA-N |
| SMILES: | CC#CC(O)=O |
| Density: | 0.964 g/mL |
| Molar volume: | 87.2 mL/mol |
| Melting point: | 76 °C |
| Boiling point: | 203 °C |