R-744A,Nitrous Oxide: N2O
Molecular weight g/mol: 44.013
Purity: 99.995%
CAS: 10024-97-2 EC: 233-032-0 UN: 1070; 2201 (Refrigerated liquid)
Typical Filling Pressure: 15 °C: 46 bar(a) 70 °F: 745 psi(g)
Characteristics: Colourless and odourless gas.
| Liquid State | |
| Density at b.p. 1 atm kg/l: | 1.2225 |
| Density 20 °C kg/l: | 0.785 |
| Vapor pressure 20 °C bar: | 51.27 |
| Specific heat kJ/kg*K: | |
| Rel.Spec.wgt, air=1 (15 °C.1 bar): | 1.53 |
| Density 15 °C 1 atm kg/m3: | 1.87 |
| Gaseous state | |
| Specific heat (15 °C) kJ/kg* K: | 0.868 |
| Thermal conductivity µW/cm• K: | |
| Solubility in water at P=1 bar l/kg: | |
| Boiling point (1 atm) | |
| Temp. °C: | -88.5 |
| Heat of vaporization kJ/kg | 390.9 |
| Critical point | |
| Temp. °C: | -36.4 |
| Pressure bar: | 72.45 |
| Density kg/l: | 0.4520 |
| Flammability in air | |
| Lower limit % volume: | n.a. |
| Upper limit % volume: | n.a. |