| Physical
state at 20 °C |
Liquefied
gas. |
 |
| Colour : |
Colorless. |
| Odour : |
Ammoniacal. |
| Molecular weight : |
17 |
| Melting point
[ °C] : |
-77.7 |
| Boiling point
[ °C] : |
-33 |
| Critical temperature
[ °C] : |
133 |
| Vapour pressure,
20 °C : |
125psi |
| Specific
Gravity of Gas (air=1) : |
0.596 at
0°C |
| Specific
Gravity of Liquid (water=1) : |
0.682 at -33°C |
| Vapor Density (air = 1): |
0.77 kg/m3 at
0 °C |
| Liquid Density: |
609 kg/m3 at 21°C |
| Weight (1lts.) |
0.617 kg at -9 °C |
| Solubility
in Water (1000kgs): |
869 kg at 0°C |
| pH |
N/A |
| Flammability range [vol% in air] : |
15 to 30 |
| Auto-ignition
temperature [ °C] : |
630 |
| Other data : |
Although
this substance has flammability data, it is difficult to
ignite in air and is classified as non-flammable. |
