Physical Properties :
 
- ASHRAE Number : R-12  
- Molecular weight : 120.9  
- Boiling point @ 101.3 kPa : -29.8 C
- Freezing point  : -157.8 C
- Critical Temperature : 112.2 C
- Critical Pressure  : 4116.2 kpa
- Liquid density @ 30 C : 1291.2 kg/m3
- Specific heat of liquid @ 101.3 kPa & 30 C : 1.0056 kJ/kg.K
- Specific heat of vapor @ 101.3 kPa & 30 C : 0.6285 kJ/kg.K
- Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 C : 1.1400 kJ/kg.K
- Flammability range in air vol.% (ASHRAE 34) : None  
- ANSI/ASHRAE standard 34 safety group : A1  
- Flammability : None  
- Lubricant : Mineral oil  
- Toxicity : Safe