| Product Information | Specification and Properties |
| CAS No.：[2028-63-9] | Purity：95% |
| MDL No.：MFCD00211237 | Dangerous Goods：6.1 |
| MF：C4H6O | Exterior：Colorless to pale yellow liquid |
| MW：70.08984 | Melting point：-1.5°C |
| Boiling point：66-67 °C150 mm Hg | Save：Flammables area |