Refrigerant Solutions - the refrigerant specalists

Physical Properties

    RS-45 R22
Molecular weight   105.3 86.5
Boiling point (1 atm) °C -44.9(1) -40.8
°F -48.8 -41.4
Temperature Glide °K 1.5 0
Critical temperature °C 77.83 96.1
°F 172.1 204.8
Critical pressure bara 39.31 49.9
psia 570.2 724
Liquid density (25°C) kg/m³ 1096 1191
Density of saturated vapour (25°C) kg/m³ 53.1 44.2
Latent heat of vaporisation at boiling point kJ/kg 190(1) 234
Cv at 25°C and 1 bara kJ/kg.K 0.775 0.559
Cp (25°C and 1 bara) kJ/kg.K 0.861 0.662
Cp/Cv at 25°C and 1 bara   1.111 1.185
Vapour pressure (25°C) bara 11.8(1) 10.4
psia 163(1) 151
Vapour viscosity (25°C & 1 bara) cP 0.0128 0.0126
Liquid viscosity (25°C) cP 0.136 0.166
Liquid thermal conductivity (25°C) W/m.K 0.0665 0.0808
Surface tension (25°C) N/m 0.00528 0.00808
Specific heat of liquid (25°C) kJ/kg.K 1.50 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