| General Characteristics |
Tungsten Hexafluoride is a pale yellow, toxic, nonflammable, odorless extremely corrosire liquefied gas. It reacts violently with water to form hydrofluoric acid. |
| |
| Physical Properties |
| Molecular Weight |
297.48 |
| Flammability Limits in air |
Nonflammable |
Specific Gravity,
Gas @ 70°F(21.1°C), 1 atm(Air=1) |
10.0 |
Density,
Gas @ 70°F(21.1°C), 1 atm |
216.3lb/ft^3 (3465kg/m^3) |
Density,
Liquid @ Boiling Point, 1 atm |
0.81lbs/ft^3 (13.0kg/m^3) |
Specific Volume,
Gas @ 70°F(21.1°C), 1 atm |
1.24ft^3/lb (0.77m^3/kg) |
| Boiling Point |
67.1°F (19.5°C) |
| Melting Point |
36.5°F (2.5°C) |
| Toxicity (as HF) |
| PEL/TLV |
3 ppm |
| STEL |
6 ppm |
| LC50 |
450 ppm |
| IDLH |
38 ppm |