| Identification | |
| Name: | 3-Butynoic acid |
| Synonyms: | 2-Ethynylaceticacid;3-Butynoate;Ethynylacetic acid; |
| CAS: | 2345-51-9 |
| Molecular Formula: | C4H4O2 |
| Molecular Weight: | 0 |
| InChI: | InChI=1/C4H4O2/c1-2-3-4(5)6/h1H,3H2,(H,5,6) |
| Molecular Structure: |  |
| Properties | |
| Flash Point: | 82.6°C |
| Boiling Point: | 194.9°Cat760mmHg |
| Density: | 1.152g/cm3 |
| Refractive index: | 1.46 |
| Flash Point: | 82.6°C |
| Safety Data | |
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