| General Characteristics |
Phosphorus Pentafluoride is a highly toxic, colourless, nonflammable, strongly fuming gas with an irritating odor. It reacts with water to form hydrogen fluoride and phosphoric acid. It is shipped as a liquefied gas in size 7X cylinder. |
| |
| Physical Properties |
| Molecular Weight |
125.966 |
| Flammability Limits in air |
Nonflammable |
Specific Gravity,
Gas @ 70°F(21.1°C), 1 atm(Air=1) |
4.46 |
Density,
Gas @ 70°F(21.1°C), 1 atm |
0.322lb/ft^3 (5.18kg/m^3) |
Specific Volume,
Gas @ 70°F(21.1°C), 1 atm |
3.10ft^3/lb (0.193m^3/kg) |
| Boiling Point @ 1 atm |
-120.1°F (-84.5°C) |
| Melting Point @ 75.1 psia (518 kPa) |
-136.8°F (-938°C) |
| Critical Temperature |
66.1°F (19°C) |
| Toxicity |
| TLV-TWA |
2.5 mg/m^3 |
