General Characteristics Carbon Tetrafluoride is a colorless, relatively nontoxic, nonflammable gas with a slight ether-like odor. It is shipped as a compressed gas.   Physical Properties Molecular Weight 88.01 Flammability Limits in air Nonflammable Specific Gravity, Gas @ 70°F(21.1°C), 1 atm(Air=1) 3.05 Density, Gas @ 70°F(21.1°C), 1 atm 0.228lbs/ft^3 (3.65g/l) Specific Volume, Gas @ 70°F(21.1°C), 1 atm 4.4ft^3/lb (275ml/g) Boiling Point @ 1 atm -198.2°F (-127.9°C) Melting Point @ 1 atm -304.2°F (-186.8°C) Critical Temperature 50.0°F (-45.6°C) Critical Pressure 542.3 psia (37.4 bar) Toxicity Non-Toxic, asphyxiant only

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