R-12 Dichlorodifluoromethane - Properties
Thermodynamic properties of saturated and superheated Dichlorodifluoromethane (CF2Cl2), like specific volume, enthalpy and entropy.
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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!
| Saturated Properties | Superheated Properties (t - ts) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Temperature - ts - (oC) Load Calculator! | Pressure - ps - (bar abs) Load Calculator! | 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 15oC (59oF)) : 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) : -29.8oC
- Dichlorodifluoromethane Latent heat of vaporization (1.013 bar at boiling point) : 166.95 kJ/kg
- Dichlorodifluoromethane Critical point - Critical temperature : 112oC - 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 15oC (59oF)) : 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 15oC (59oF)) : 0.995
- Dichlorodifluoromethane Gas Specific Gravity (air = 1) (1.013 bar and 21oC (70oF)) : 4.2
- Dichlorodifluoromethane Gas Specific volume (1.013 bar and 21oC (70oF)) : 0.195 m3/kg
- Dichlorodifluoromethane Gas Specific Heat at constant pressure (cp) (1.013 bar and 15oC (59oF)) : 0.074 kJ/(mol.K)
- Dichlorodifluoromethane Gas Specific Heat at constant volume (cv) (1.013 bar and 15oC (59oF)) : 0.065 kJ/(mol.K)
- Dichlorodifluoromethane Gas Ratio of Specific Heats (Gamma: cp/cv) (1.013 bar and 15oC (59oF)) : 1.138889
- Dichlorodifluoromethane Gas Dynamic Viscosity (1.013 bar and 0oC (32oF)) : 0.0001168 Poise
- Dichlorodifluoromethane Gas Thermal conductivity (1.013 bar and 0oC (32oF)) : 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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