| Identification | |
| Name: | 2-Butynedial |
| Synonyms: | Butynedial; |
| CAS: | 21251-20-7 |
| Molecular Formula: | C4H2O2 |
| Molecular Weight: | 82.0 |
| Molecular Structure: |  |
| Properties | |
| Flash Point: | 47.6 °C |
| Boiling Point: | 154.5 °C at 760 mmHg |
| Density: | 1.131 g/cm3 |
| Flash Point: | 47.6 °C |
| Safety Data | |
 |
|
