| Chemical Name | Octafluorocyclobutane |
| Other Name | Freon-C-318, perfluorocyclobutane |
| CAS # | 115-25-3 |
| ELINCS # | 204-075-2 |
| Chemical Formula | C4F8 |
| Structural Formula | C4F8 |
| Molar Mass | 200.03 |
| ODP(CFC-11 = 1) | 0 |
| GWP100(CO2 = 1) | 10600 |
| Life Time(years) | 3200 |
| Chemical Name | Octafluorocyclobutane |
| Boiling Point(℃) | -5.8 |
| Melting Point(℃) | -40.1 |
| Liquid Density(-5.8℃, g/cm3) | 1.637 |
| Vapor Density(air=1) | 7.0 |
| Vapor Pressure(20℃,bar) | 2.7 |
| Critical Temperature(℃) | 115.3 |
| Critical Pressure(MPa) | 2.79 |
| Solubility (mg/L) | 140 |
| Flash Point(℃) | Nonflammable |
| Flammability(℃) | Nonflammable |
| Explosive Limit(%vol) | Nonflammable |
| Purity | 99.9% | 99.999% |
| Cylinder Size | Valve Type | Filling Weight |
| 44L | CGA 660 / DISS 716 | 30 kg |