| Product Code | Ax-497 |
| CAS Number | 590-93-2 |
| Molecular Formula | C4H4O2 |
| Molecular Weight | 84.07 |
| Synonyms | but-2-ynoic acid |
| Purity | 98.00% |
| MDL No. | MFCD00004363 |
| Smile Code | CC#CC(O)=O |
| Melting Point | 78-80 °C |
| Boiling Point | NA |
| Production Scale | NULL |
| Production Cycle | NULL |