| General Characteristics |
Hydrogen Chloride is a colorless, corrosive, toxic, nonflammable gas with a suffocating odor. It is very irritating to the mucous membrances. Hydrogen Chloride is heavier than air, fumes strongly in moist air, and has a great affinity for water. It is shipped as a liquefied gas under its own vapor pressure. |
| |
| Physical Properties |
| Molecular Weight |
36.46 |
| Flammability Limits in air |
Nonflammable |
Specific Gravity,
Gas @ 70°F(21.1°C), 1 atm(Air=1) |
1.27 |
| Liquid Density @ Boiling Point |
74.35lb/ft^3 (1191g/l) |
| Density, Gas @ 70°F(21.1°C), 1 atm |
0.094lbs/ft^3 (1.51g/l) |
Specific Volume,
Gas @ 70°F(21.1°C), 1 atm |
10.6ft^3/lb (0.662l/g) |
| Melting Point @ 75.1 psia (518 kPa) |
-173.60°F (-114.24°C) |
| Boiling Point @ 1 atm |
-121.2°F (-85.1°C) |
| Critical Temperature |
124.5°F (51.4°C) |
| Critical Pressure |
1197.7 psia (82.6 bar) |
| Toxicity |
| PEL /TLV |
5 ppm |
| LC50 |
3120 ppm |
| IDLH |
100 ppm |
