| Identification | |
| Name: | (ethynyloxy)ethene |
| Synonyms: | Ethyne, 1-ethenyloxy- |
| CAS: | 33733-90-3 |
| Molecular Formula: | C4H4O |
| Molecular Weight: | 68.074 |
| InChI: | InChI=1/C4H4O/c1-3-5-4-2/h1,4H,2H2 |
| Molecular Structure: |  |
| Properties | |
| Flash Point: | 7.1°C |
| Boiling Point: | 42°C at 760 mmHg |
| Density: | 0.853g/cm3 |
| Refractive index: | 1.412 |
| Flash Point: | 7.1°C |
| Safety Data | |
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