| Product Name | but-2-yn-1-ol |
| CAS No. | 764-01-2 |
| Synonyms | 2-Butyn-1-ol; 2-Butyne-1-ol |
| InChI | InChI=1/C4H6O/c1-2-3-4-5/h5H,4H2,1H3 |
| Molecular Formula | C4H6O |
| Molecular Weight | 70.0898 |
| Density | 0.929g/cm3 |
| Melting point | -2.2℃ |
| Boiling point | 148°C at 760 mmHg |
| Flash point | 51.7°C |
| Refractive index | 1.446 |
| Hazard Symbols |  Xi:Irritant; |
| Risk Codes | R10:; R43:; R52/53:; |
| Safety | S36/37:; |
764-01-2 but-2-yn-1-ol
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