| |
|
RS-44 |
R22 |
|
| Molecular weight |
|
108.1 |
86.5 |
|
| Boiling point (1 atm) |
°C |
-38.7(1) |
-40.4 |
| °F |
-37.6(1) |
-41.4 |
|
| Critical temperature |
°C |
88.8 |
96.1 |
| °F |
191.8 |
204.8 |
|
| Critical pressure |
bara |
40.4 |
49.9 |
| psia |
586 |
724 |
|
| Liquid density at 25°C |
kg/m³ |
1169 |
1191 |
|
| Density of saturated vapour at 25°C |
kg/m³ |
43.6 |
44.2 |
|
| Latent heat of vaporisation at boiling point |
kJ/kg |
196(1) |
234(1) |
|
| Cv at 25°C and 1 bara |
kJ/kg.K |
0.765 |
0.559 |
|
| Cp at 25°C and 1 bara |
kJ/kg.K |
0.85 |
0.662 |
|
| Cp/Cv at 25°C and 1 bara |
|
1.111 |
1.185 |
|
| Vapour pressure at 25°C |
bara |
9.67(1) |
10.4 |
| psia |
140.2(1) |
151 |
|
| Vapour viscosity at 25°C and 1 bara |
cP |
0.0122 |
0.0126 |
|
| Liquid viscosity at 25°C |
cP |
0.167 |
0.166 |
|
| Liquid thermal conductivity at 25°C |
W/m.K |
0.072 |
0.0837 |
|
| Surface tension at 25°C |
N/m |
0.00656 |
0.00808 |
|
| Specific heat of liquid at 25°C |
kJ/kg.K |
1.43 |
1.26 |
|
| Ozone Depletion Potential |
ODP |
0 |
0.055 |
|
| Flammability limit in air (1 atm) |
vol% |
None |
None |
|
| Inhalation exposure (8 hr day and 40 hr week) |
ppm |
1000 |
1000 |
| |
| (1) Bubble point |
