| Identification | |
| Name: | 2-Butynal (9CI) |
| Synonyms: | Tetrolaldehyde(6CI,7CI,8CI) |
| CAS: | 1119-19-3 |
| Molecular Formula: | C4H4 O |
| Molecular Weight: | 68.074 |
| InChI: | InChI=1/C4H4O/c1-2-3-4-5/h4H,1H3 |
| Molecular Structure: |  |
| Properties | |
| Flash Point: | 28°C |
| Boiling Point: | 106.5°Cat760mmHg |
| Density: | 0.905g/cm3 |
| Refractive index: | 1.413 |
| Flash Point: | 28°C |
| Safety Data | |
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