| Absolute Density, gas @ STP |
1.7841 kg/m3 |
| Thermal
Conductivity @ 20 oC |
0.45 cal/(s/cm/oC) |
| Triple Point Temperature |
NONE |
| Triple Point Pressure |
NONE |
| Relative Density, gas @ STP |
0.138 (air=1) |
| Critical Temperatuure |
-268.0 oC |
| Critical Pressure |
2.261 atm |
| Critical Volume |
14.431 l / kg |
| Critical Density |
0.0693 kg / l |
| Molecular Specific Heat @
1 atm/25oC
|
(cP) 20.967 J/mole oK (cV)
12.863 J/mole oK
|
| Viscosity, gas @ 1 atm/26.8 oC |
0.02012 cP |
| Thermal Conductivity |
x 10-6
cal/(s/cm/oC) |
| Latent Heat of Fusion |
0.08 cal/mole |
| Boiling Point
(1 atm) |
-268.94oC |
| Upper l Point Temperature |
-271.4oC |
| Upper l Point Pressure |
38.0 mm/Hg |
| Lower l Point Temperature |
-271.4oC |
| Lower l Point Pressure |
29.64 atm |
| Absolute
Density @ STP |
0.1785 kg/m3 |
