| Absolute
Density, gas @ STP |
3.4274 kg/m3 |
| Thermal Conductivity @ 20
oC |
0.45 cal/(s/cm/oC) |
| Triple
Point Temperature |
-157.4oC |
| Triple
Point Pressure |
548.7 mm/Hg |
| Relative
Density, gas @ STP |
2.89 (air=1) |
| Critical
Temperatuure |
-63.8 oC |
| Critical
Pressure |
54.2 atm |
| Critical
Volume |
1.1007 l / kg |
| Critical
Density |
0.9085 kg / l |
Molecular
Specific Heat
@ 1 atm/26.8oC
|
(cP) 21.037 J/mole oK
(cV) 12.622 J/mole oK |
| Viscosity,
gas @ 1 atm/15.2oC |
0.02436 cP |
| Thermal
Conductivity |
22.2 x 10-6
cal/(s/cm/oC) |
| Latent
Heat of Fusion |
cal/mole |
| Boiling
Point (1 atm) |
-153.4oC |
| Upper l
Point
Temperature |
oC |
| Upper l
Point
Pressure |
mm/Hg |
| Lower l Point Temperature |
oC |
| Lower l Point Pressure |
atm |
| Absolute
Density @ STP |
0.08235 kg/m3 |
| Specific
Volume @ 21.1oC/1atm |
287.8 l/kg |
| First
Ionization Potential |
14.0 eV |
| Solubility
in H2O @ 20oC |
59.4 cm3/kg |
| Flammability
Limits |
|
| Autoignition
Temperature |
oC |
