NITROGEN TRIFLUORIDE NF3
General Characteristics
Nitrogen Trifluoride is a colouless, stable, toxic gas with a characteristic moldy odor. It is shipped in steel cylinders as a non-liquefied gas.
Physical Information
Molecular Weight
71.002
Flammability Limits in air
Nonflammable
Specific Gravity,
Gas @ 70&degF(21.1&degC),
1 atm(Air=1)
2.46
Density,
Gas @ 70&degF(21.1&degC), 1 atm
0.185lbs/ft^3 (2.97g/l)
Specific Volume,
Gas @ 70&degF(21.1&degC), 1 atm
5.4ft^3/lb (0.337l/g)
Boiling Point @ 1 atm
-200.2&degF (-129.0&degC)
Critical Temperature
-38.7&degF (-39.3&degC)
Critical Pressure
657.2 psia (45.3 bar)
Toxicity
TLV
10 ppm