| Identification | |
| Name: | 4-hydroxybut-2-ynal |
| CAS: | 50560-69-5 |
| Molecular Formula: | C4H4O2 |
| Molecular Weight: | 84.0734 |
| InChI: | InChI=1/C4H4O2/c5-3-1-2-4-6/h3,6H,4H2 |
| Molecular Structure: |  |
| Properties | |
| Flash Point: | 102.4°C |
| Boiling Point: | 222.1°C at 760 mmHg |
| Density: | 1.156g/cm3 |
| Refractive index: | 1.47 |
| Flash Point: | 102.4°C |
| Safety Data | |
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