| Identification | ||
| Name | 1-Bromo-2-butyne | |
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| Molecular Structure |
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| Molecular Formula | C4H5Br | |
| Molecular Weight | 132.99 | |
| CAS Registry Number | 3355-28-0 | |
| Properties | ||
| Density | 1.519 | |
| Boiling point | 40-41 ºC (20 mmHg) | |
| Refractive index | 1.508 | |
| Flash point | 36 ºC | |