R-12 Dichlorodifluoromethane - Properties (original) (raw)
Thermodynamic properties of saturated and superheated Dichlorodifluoromethane (CF2Cl2), like specific volume, enthalpy and entropy.
Specific volume (v), specific internal energy (u), enthalpy (h), and entropy (s) of saturated and superheated Dichlorodifluoromethane (CF2Cl2) - also known as refrigerant 12 R-12.
For full table with Entropy and Superheated properties - rotate the screen!
R-12 Dichlorodifluoromethane - Properties
| Saturated Properties | Superheated Properties (t - ts) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Temperature - ts - (oC) | Pressure - p s - (bar abs) | Specific Volume - vi - (m3/kg) | Specific Enthalpy | Specific Entropy | 15 K | 30 K | ||||
| saturated liquid - hf - (kJ/kg) | saturated vapor - hg - (kJ/kg) | saturated liquid - sf - (kJ/kgK) | saturated vapor - sg - (kJ/kgK) | Specific Enthalpy - h - (kJ/kg) | Specific Entropy - s - (kJ/kgK) | Specific Enthalpy - h - (kJ/kg) | Specific Entropy - s - (kJ/kgK) | |||
| -100 | 0.0118 | 10.100 | -51.84 | 142.00 | -0.2567 | 0.8628 | 148.89 | 0.9019 | 156.10 | 0.9428 |
| -95 | 0.0181 | 6.585 | -47.56 | 144.22 | -0.2323 | 0.8442 | 151.23 | 0.8830 | 158.55 | 0.9195 |
| -90 | 0.0284 | 4.416 | -43.28 | 146.46 | -0.2083 | 0.8274 | 153.59 | 0.8649 | 161.02 | 0.9010 |
| -85 | 0.0424 | 3.037 | -39.00 | 148.73 | -0.1856 | 0.8122 | 155.98 | 0.8493 | 163.52 | 0.8851 |
| -80 | 0.0617 | 2.138 | -34.72 | 151.02 | -0.1631 | 0.7985 | 158.39 | 0.8351 | 166.04 | 0.8706 |
| -75 | 0.0879 | 1.538 | -30.43 | 153.32 | -0.1412 | 0.7861 | 160.82 | 0.8226 | 168.57 | 0.8578 |
| -70 | 0.1227 | 1.127 | -26.13 | 155.63 | -0.1198 | 0.7749 | 163.26 | 0.8110 | 171.12 | 0.8459 |
| -65 | 0.1680 | 0.8412 | -21.81 | 157.96 | -0.0988 | 0.7649 | 165.70 | 0.8008 | 173.68 | 0.8355 |
| -60 | 0.2262 | 0.6379 | -17.49 | 160.29 | -0.0783 | 0.7558 | 168.15 | 0.7915 | 176.26 | 0.8259 |
| -55 | 0.2998 | 0.4910 | -13.14 | 162.62 | -0.0582 | 0.7475 | 170.60 | 0.7830 | 178.84 | 0.8172 |
| -50 | 0.3915 | 0.3831 | -8.78 | 164.95 | -0.0384 | 0.7401 | 173.07 | 0.7753 | 181.43 | 0.8093 |
| -45 | 0.5044 | 0.3027 | -4.40 | 167.28 | -0.0190 | 0.7335 | 175.54 | 0.7685 | 184.01 | 0.8023 |
| -40 | 0.6417 | 0.2419 | 0 | 169.60 | 0 | 0.7274 | 178.00 | 0.7623 | 186.60 | 0.7959 |
| -35 | 0.8071 | 0.1954 | 4.42 | 171.90 | 0.0187 | 0.7219 | 180.45 | 0.7568 | 189.18 | 0.7902 |
| -30 | 1.004 | 0.1594 | 8.86 | 174.20 | 0.0371 | 0.7170 | 182.90 | 0.7517 | 191.76 | 0.7851 |
| -25 | 1.237 | 0.1312 | 13.33 | 176.48 | 0.0552 | 0.7127 | 185.33 | 0.7473 | 194.33 | 0.7805 |
| -20 | 1.509 | 0.1088 | 17.82 | 178.73 | 0.0731 | 0.7087 | 187.75 | 0.7432 | 196.89 | 0.7764 |
| -15 | 1.826 | 0.0910 | 22.33 | 180.97 | 0.0906 | 0.7051 | 190.15 | 0.7397 | 199.44 | 0.7728 |
| -10 | 2.191 | 0.0766 | 26.87 | 183.19 | 0.1080 | 0.7020 | 192.53 | 0.7365 | 201.97 | 0.7695 |
| -5 | 2.610 | 0.0650 | 31.45 | 185.38 | 0.1251 | 0.6991 | 194.90 | 0.7336 | 204.49 | 0.7666 |
| 0 | 3.086 | 0.0554 | 36.05 | 187.53 | 0.1420 | 0.6966 | 197.25 | 0.7311 | 206.99 | 0.7641 |
| 5 | 3.626 | 0.0475 | 40.69 | 189.66 | 0.1587 | 0.6943 | 199.56 | 0.7289 | 209.47 | 0.7618 |
| 10 | 4.233 | 0.0409 | 45.37 | 191.74 | 0.1752 | 0.6921 | 201.85 | 0.7268 | 211.92 | 0.7598 |
| 15 | 4.914 | 0.0354 | 50.10 | 193.78 | 0.1915 | 0.6901 | 204.10 | 0.7251 | 214.35 | 0.7580 |
| 20 | 5.673 | 0.0308 | 54.87 | 195.78 | 0.2078 | 0.6885 | 206.32 | 0.7235 | 216.75 | 0.7565 |
| 25 | 6.516 | 0.0269 | 59.70 | 197.73 | 0.2239 | 0.6869 | 208.50 | 0.7220 | 219.11 | 0.7552 |
| 30 | 7.449 | 0.0235 | 64.59 | 199.62 | 0.2399 | 0.6853 | 210.63 | 0.7208 | 221.44 | 0.7540 |
| 35 | 8.477 | 0.0206 | 69.55 | 201.45 | 0.2559 | 0.6839 | 212.72 | 0.7196 | 223.73 | 0.7529 |
| 40 | 9.607 | 0.0182 | 74.59 | 203.20 | 0.2718 | 0.6825 | 214.76 | 0.7185 | 225.98 | 0.7519 |
| 45 | 10.84 | 0.0160 | 79.71 | 204.87 | 0.2877 | 0.6811 | 216.74 | 0.7175 | 228.18 | 0.7511 |
| 50 | 12.19 | 0.0142 | 84.94 | 206.45 | 0.3037 | 0.6797 | 218.64 | 0.7166 | 230.33 | 0.7503 |
| 55 | 13.66 | 0.0125 | 90.27 | 207.92 | 0.3197 | 0.6782 | 220.48 | 0.7156 | 232.42 | 0.7496 |
| 60 | 15.26 | 0.0111 | 95.74 | 209.26 | 0.3358 | 0.6765 | 222.23 | 0.7146 | 234.45 | 0.7490 |
| 65 | 16.99 | 0.00985 | 101.36 | 210.46 | 0.3521 | 0.6747 | 223.89 | 0.7136 | 236.42 | 0.7484 |
| 70 | 18.86 | 0.00873 | 107.15 | 211.48 | 0.3686 | 0.6726 | 225.45 | 0.7125 | 238.32 | 0.7477 |
| 75 | 20.88 | 0.00772 | 113.15 | 212.29 | 0.3854 | 0.6702 | 226.89 | 0.7113 | 240.13 | 0.7470 |
| 80 | 23.05 | 0.00682 | 119.39 | 212.83 | 0.4027 | 0.6673 | 228.21 | 0.7099 | 241.86 | 0.7463 |
| 85 | 25.38 | 0.00601 | 125.93 | 213.04 | 0.4204 | 0.6636 | 229.39 | 0.7084 | 243.50 | 0.7455 |
| 90 | 27.89 | 0.00526 | 132.84 | 212.80 | 0.4389 | 0.6591 | 230.43 | 0.7067 | 245.03 | 0.7445 |
| 95 | 30.57 | 0.00456 | 140.23 | 211.94 | 0.4583 | 0.6531 | 231.30 | 0.7047 | 246.47 | 0.7435 |
| 100 | 33.44 | 0.00390 | 148.32 | 210.12 | 0.4793 | 0.6449 | 231.93 | 0.7023 | 247.80 | 0.7424 |
| 105 | 36.51 | 0.00324 | 157.52 | 206.57 | 0.5028 | 0.6325 | 232.22 | 0.6994 | 248.97 | 0.7412 |
| 110 | 39.79 | 0.00246 | 169.55 | 197.99 | 0.5334 | 0.6076 | 232.47 | 0.6964 | 250.10 | 0.7399 |
| 112 | 41.15 | 0.00179 | 183.43 | 183.43 | 0.5690 | 0.5690 | 232.80 | 0.6958 | 250.58 | 0.7394 |
- 1 m3/kg = 16.02 ft3/lb = 27680 in3/lb = 119.8 gal(US)/lb = 99.7764 gal(UK)/lb
- 1 kJ/kg = 1 J/g = 0.23885 kcal/kg = 0.4299 Btu/lb = 0.0002778 kWh/kg
- Dichlorodifluoromethane Molecular weight : 120.93 g/mol
- Dichlorodifluoromethane Liquid Density (1.013 bar at boiling point) : 1486 kg/m3 (250 K : 1468 kg/m3) (300 K : 1304 kg/m3)
- Dichlorodifluoromethane Liquid Specific Heat (cp) (250 K : 0.902 kJ/kg.K) (300 K : 0.980 kJ/kg.K)
- Dichlorodifluoromethane Liquid/gas equivalent (1.013 bar and 15 oC (59 oF)) : 292 vol/vol
- Dichlorodifluoromethane Liquid Dynamic Viscosity (250K : 336×106 Ns/m2) (300K : 213×106 Ns/m2)
- Dichlorodifluoromethane Liquid Thermal Conductivity (250 K : 86.8×106 kW/m.K) (300 K : 68.6×106 kW/m.K)
- Dichlorodifluoromethane Boiling point (1.013 bar) : -29.8 oC
- Dichlorodifluoromethane Latent heat of vaporization (1.013 bar at boiling point) : 166.95 kJ/kg
- Dichlorodifluoromethane Critical point - Critical temperature : 112 oC - Critical pressure : 41.15 bar
- Dichlorodifluoromethane Gas Density (1.013 bar at boiling point) : 6.25 kg/m3
- Dichlorodifluoromethane Gas Density (1.013 bar and 15 oC (59 oF)) : 5.11 kg/m3
- Dichlorodifluoromethane Gas Compressibility Factor (Z) (the ratio of the actual volume of the gas to the volume determined according to the perfect gas law) (1.013 bar and 15 oC (59 oF)) : 0.995
- Dichlorodifluoromethane Gas Specific Gravity (air = 1) (1.013 bar and 21 oC (70 oF)) : 4.2
- Dichlorodifluoromethane Gas Specific volume (1.013 bar and 21 oC (70 oF)) : 0.195 m3/kg
- Dichlorodifluoromethane Gas Specific Heat at constant pressure (cp) (1.013 bar and 15 oC (59 oF)) : 0.074 kJ/(mol.K)
- Dichlorodifluoromethane Gas Specific Heat at constant volume (c_v_) (1.013 bar and 15 oC (59 oF)) : 0.065 kJ/(mol.K)
- Dichlorodifluoromethane Gas Ratio of Specific Heats (Gamma: cp/cv) (1.013 bar and 15 oC (59 oF)) : 1.138889
- Dichlorodifluoromethane Gas Dynamic Viscosity (1.013 bar and 0 oC (31 oF)) : 0.0001168 Poise
- Dichlorodifluoromethane Gas Thermal conductivity (1.013 bar and 0 oC (31 oF)) : 9.46 mW/(m.K)
Note! Due to its ozone-depleting potential, dichlorodifluoromethane is currently replaced by R134a (1,1,1,2-tetrafluoroethane), R142b (Chloro-1-difluoro-1,1-ethane) or R409a (mixture containing 60 % of R12)
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