| Chemical Name | Hexafluoro-2-Butyne |
| Synonyms | 1,1,1,4,4,4-hexafluorobut-2-ynehexafluoro-2-butyn1,2-Bis(trifluoromethyl)ethyne |
| CAS # | 353-50-4692050-2 |
| Molecular Formula | C4F6 |
| Structure |  |
| Molecular Weight | 162.034 |
| Physical state | Gas |
| Color | Colorless |
| Chemical Name | HEXAFLUORO-2-BUTYNE |
| Boiling Point(℃) | -25 |
| Melting Point（℃） | -117 |
| Gas Density（g/cm3） | 1.464 |
| Vapor Pressure(psi) | 105 |
| Flash Point（℃） | -36 |
| Flammability（@21℃） | Not applicable |
| Explosion Limit（%vol) | Not applicable |
| Purity | 99.9% |
