| General Characteristics |
Hexafluoroethane is a colorless, nontoxic, nonflammable liquefied gas. Its critical temperatures is at normal room temperature. It is an excellent dielectric. However, toxic decomposition products may be formed upon thermal or electrical breakdown. |
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| Physical Properties |
| Molecular Weight |
138.01 |
| Flammability Limits in air |
Nonflammable |
Specific Gravity,
Gas @ 70°F(21.1°C), 1 atm(Air=1) |
4.823 |
Density,
Gas @ 70°F(21.1°C), 1 atm |
0.358lbs/ft^3 (5.73g/l) |
Specific Volume,
Gas @ 70°F(21.1°C), 1 atm |
2.79ft^3/lb (0.174l/g) |
| Melting Point @ 75.1 psia (518 kPa) |
-149.3°F (-100.7°C) |
| Boiling Point @ 1 atm |
-108.8°F (-78.2°C) |
| Critical Temperature |
67.5°F (19.7°C) |
| Critical Pressure |
432 psia (29.8 bar) |
| Toxicity |
Non-toxic, asphyxiant only |
