Tetrafluoromethane, Carbon Tetrafluoride, Freon 14: R12, CF4
Molecular weight g/mol: 88.005
Purity: 99.995%
CAS: 75-73-0 EC: 200-896-5 UN: 1982
Typical Filling Pressure: 15 °C: 110 bar(a) 70 °F: 2,000 psi(g)
Characteristics: Colourless, odourless, liquefied gas. Asphyxiant in high concentrations.
| Liquid State | |
| Density at b.p. 1 atm kg/l: | 1.6067 |
| Density 20 °C kg/l: | |
| Vapor pressure 20 °C bar: | |
| Specific heat kJ/kg*K: | |
| Rel.Spec.wgt, air=1 (15 °C.1 bar): | 3.05 |
| Density 15 °C 1 atm kg/m3: | 3.74 |
| Gaseous state | |
| Specific heat (15 °C) kJ/kg* K: | 0.680 |
| Thermal conductivity µW/cm• K: | |
| Solubility in water at P=1 bar l/kg: | |
| Boiling point (1 atm) | |
| Temp. °C: | -128.1 |
| Heat of vaporization kJ/kg | 132.8 |
| Critical point | |
| Temp. °C: | -45.7 |
| Pressure bar: | 37.39 |
| Density kg/l: | 0.6286 |
| Flammability in air | |
| Lower limit % volume: | n.a. |
| Upper limit % volume: | n.a. |
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