Refrigerant 12 (Dichlorofluoromethane) properties of saturated liquid and saturated vapor
From ASHRAE (1997), with permission
Values shown in red
are at the boiling point
Values shown in bold are at the
critical point
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-90 |
0.00288 |
1652.4 |
4.3671 |
121.33 |
310.39 |
0.6526 |
1.6849 |
0.835 |
0.470 |
1.176 |
812 |
121 |
- |
- |
- |
- |
24.91 |
-80 |
0.00623 |
1626.0 |
2.1227 |
129.72 |
314.99 |
0.6972 |
1.6564 |
0.843 |
0.487 |
1.171 |
802 |
124 |
- |
- |
- |
- |
23.35 |
-70 |
0.01235 |
1599.2 |
1.1226 |
138.19 |
319.69 |
0.7400 |
1.6334 |
0.850 |
0.504 |
1.168 |
786 |
127 |
569.0 |
- |
- |
- |
21.82 |
-60 |
0.02272 |
1572.0 |
0.6371 |
146.72 |
324.44 |
0.7809 |
1.6147 |
0.856 |
0.521 |
1.166 |
765 |
129 |
508.9 |
8.78 |
99.8 |
5.50 |
20.30 |
-50 |
0.03925 |
1544.3 |
0.38362 |
155.32 |
329.23 |
0.8203 |
1.5996 |
0.863 |
0.537 |
1.165 |
741 |
131 |
453.8 |
9.39 |
95.9 |
6.02 |
18.81 |
-45 |
0.05053 |
1530.3 |
0.30346 |
159.66 |
331.63 |
0.8395 |
1.5933 |
0.868 |
0.546 |
1.166 |
728 |
132 |
428.3 |
9.68 |
94.0 |
6.27 |
18.08 |
-40 |
0.06426 |
1516.1 |
0.24281 |
164.01 |
334.03 |
0.8583 |
1.5875 |
0.873 |
0.554 |
1.166 |
714 |
133 |
404.2 |
9.95 |
92.1 |
6.52 |
17.35 |
-35 |
0.08077 |
1501.7 |
0.19633 |
168.40 |
336.42 |
0.8769 |
1.5824 |
0.878 |
0.563 |
1.167 |
699 |
134 |
381.5 |
10.22 |
90.2 |
6.78 |
16.63 |
-30 |
0.10044 |
1487.2 |
0.16029 |
172.81 |
338.81 |
0.8951 |
1.5779 |
0.884 |
0.572 |
1.169 |
684 |
134 |
360.2 |
10.48 |
88.3 |
7.03 |
15.91 |
-29.80 | 0.10132 | 1486.6 | 0.15899 | 172.99 | 338.90 | 0.8959 | 1.5777 | 0.884 | 0.572 | 1.169 | 684 | 134 | 359.4 | 10.49 | 88.2 | 7.04 | 15.88 |
-28 |
0.10929 |
1481.4 |
0.14817 |
174.58 |
339.76 |
0.9024 |
1.5762 |
0.886 |
0.575 |
1.170 |
678 |
135 |
352.1 |
10.58 |
87.5 |
7.13 |
15.62 |
-26 |
0.11872 |
1475.5 |
0.13716 |
176.35 |
340.70 |
0.9096 |
1.5745 |
0.888 |
0.579 |
1.171 |
672 |
135 |
344.1 |
10.68 |
86.8 |
7.23 |
15.34 |
-24 |
0.12878 |
1469.6 |
0.12714 |
178.14 |
341.65 |
0.9167 |
1.5730 |
0.891 |
0.583 |
1.172 |
666 |
135 |
336.4 |
10.79 |
86.0 |
7.33 |
15.06 |
-22 |
0.13949 |
1463.6 |
0.11800 |
179.93 |
342.59 |
0.9239 |
1.5715 |
0.894 |
0.586 |
1.173 |
660 |
135 |
328.8 |
10.89 |
85.3 |
7.43 |
14.78 |
-20 |
0.15088 |
1457.6 |
0.10965 |
181.72 |
343.53 |
0.9309 |
1.5701 |
0.896 |
0.590 |
1.174 |
653 |
136 |
321.5 |
10.99 |
84.5 |
7.53 |
14.50 |
-18 |
0.16296 |
1451.6 |
0.10202 |
183.52 |
344.46 |
0.9380 |
1.5688 |
0.899 |
0.594 |
1.175 |
647 |
136 |
314.3 |
11.09 |
83.8 |
7.63 |
14.22 |
-16 |
0.17578 |
1445.5 |
0.09503 |
185.32 |
345.39 |
0.9450 |
1.5675 |
0.902 |
0.598 |
1.177 |
640 |
136 |
307.3 |
11.18 |
83.0 |
7.73 |
13.94 |
-14 |
0.18937 |
1439.4 |
0.08862 |
187.14 |
346.32 |
0.9520 |
1.5662 |
0.905 |
0.602 |
1.178 |
634 |
136 |
300.5 |
11.28 |
82.3 |
7.84 |
- |
-12 |
0.20374 |
1433.3 |
0.08273 |
188.95 |
347.25 |
0.9589 |
1.5651 |
0.908 |
0.606 |
1.180 |
627 |
136 |
293.9 |
11.38 |
81.5 |
7.94 |
- |
-10 |
0.21893 |
1427.1 |
0.07731 |
190.78 |
348.17 |
0.9658 |
1.5639 |
0.911 |
0.611 |
1.181 |
621 |
136 |
287.5 |
11.48 |
80.8 |
8.04 |
- |
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-8 |
0.23498 |
1420.9 |
0.07233 |
192.61 |
349.08 |
0.9727 |
1.5629 |
0.915 |
0.615 |
1.183 |
614 |
136 |
281.2 |
11.58 |
80.1 |
8.15 |
- |
-6 |
0.25190 |
1414.7 |
0.06773 |
194.45 |
349.99 |
0.9796 |
1.5618 |
0.918 |
0.619 |
1.185 |
607 |
137 |
275.1 |
11.68 |
79.3 |
8.25 |
- |
-4 |
0.26974 |
1408.3 |
0.06348 |
196.29 |
350.89 |
0.9864 |
1.5608 |
0.921 |
0.624 |
1.187 |
601 |
137 |
269.2 |
11.78 |
78.6 |
8.36 |
- |
-2 |
0.28851 |
1402.0 |
0.05956 |
198.14 |
351.79 |
0.9932 |
1.5599 |
0.925 |
0.628 |
1.189 |
594 |
137 |
263.4 |
11.89 |
77.8 |
8.47 |
- |
0 |
0.30827 |
1395.6 |
0.05593 |
200.00 |
352.68 |
1.0000 |
1.5590 |
0.928 |
0.633 |
1.192 |
587 |
137 |
257.8 |
11.99 |
77.1 |
8.57 |
- |
2 |
0.32902 |
1389.2 |
0.05256 |
201.87 |
353.57 |
1.0068 |
1.5581 |
0.932 |
0.638 |
1.194 |
580 |
137 |
252.3 |
12.09 |
76.4 |
8.68 |
- |
4 |
0.35082 |
1382.7 |
0.04944 |
203.74 |
354.45 |
1.0135 |
1.5573 |
0.936 |
0.643 |
1.197 |
573 |
137 |
246.9 |
12.20 |
75.6 |
8.79 |
- |
6 |
0.37368 |
1376.1 |
0.04654 |
205.62 |
355.32 |
1.0202 |
1.5565 |
0.940 |
0.648 |
1.200 |
566 |
137 |
241.7 |
12.30 |
74.9 |
8.90 |
- |
8 |
0.39765 |
1369.5 |
0.04384 |
207.51 |
356.19 |
1.0269 |
1.5557 |
0.944 |
0.653 |
1.203 |
559 |
137 |
236.7 |
12.41 |
74.2 |
9.02 |
- |
10 |
0.42276 |
1362.8 |
0.04134 |
209.41 |
357.05 |
1.0335 |
1.5550 |
0.948 |
0.658 |
1.206 |
552 |
137 |
231.8 |
12.52 |
73.5 |
9.13 |
- |
12 |
0.44903 |
1356.1 |
0.03900 |
211.31 |
357.90 |
1.0402 |
1.5542 |
0.953 |
0.664 |
1.209 |
545 |
136 |
227.0 |
12.62 |
72.7 |
9.24 |
- |
14 |
0.47651 |
1349.3 |
0.03682 |
213.23 |
358.75 |
1.0468 |
1.5535 |
0.957 |
0.669 |
1.213 |
537 |
136 |
222.3 |
12.74 |
72.0 |
9.36 |
- |
16 |
0.50523 |
1342.5 |
0.03479 |
215.15 |
359.58 |
1.0534 |
1.5529 |
0.962 |
0.675 |
1.216 |
530 |
136 |
217.8 |
12.85 |
71.3 |
9.48 |
- |
18 |
0.53521 |
1335.5 |
0.03289 |
217.09 |
360.41 |
1.0600 |
1.5522 |
0.966 |
0.681 |
1.220 |
523 |
136 |
213.3 |
12.96 |
70.6 |
9.60 |
- |
20 |
0.56651 |
1328.6 |
0.03111 |
219.03 |
361.23 |
1.0666 |
1.5516 |
0.971 |
0.687 |
1.224 |
516 |
136 |
209.0 |
13.08 |
69.8 |
9.72 |
- |
22 |
0.59914 |
1321.5 |
0.02945 |
220.98 |
362.04 |
1.0731 |
1.5510 |
0.976 |
0.693 |
1.229 |
508 |
136 |
204.8 |
13.20 |
69.1 |
9.84 |
- |
24 |
0.63315 |
1314.4 |
0.02789 |
222.94 |
362.83 |
1.0796 |
1.5504 |
0.981 |
0.700 |
1.233 |
501 |
135 |
200.7 |
13.32 |
68.4 |
9.96 |
- |
26 |
0.66857 |
1307.2 |
0.02643 |
224.92 |
363.62 |
1.0862 |
1.5498 |
0.987 |
0.707 |
1.238 |
494 |
135 |
196.8 |
13.44 |
67.7 |
10.09 |
- |
28 |
0.70544 |
1299.9 |
0.02505 |
226.90 |
364.40 |
1.0927 |
1.5493 |
0.992 |
0.714 |
1.244 |
486 |
135 |
192.9 |
13.57 |
67.0 |
10.21 |
- |
30 |
0.74379 |
1292.5 |
0.02376 |
228.89 |
365.16 |
1.0992 |
1.5487 |
0.998 |
0.721 |
1.249 |
479 |
135 |
189.1 |
13.70 |
66.3 |
10.34 |
- |
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
32 |
0.78366 |
1285.0 |
0.02255 |
230.90 |
365.92 |
1.1057 |
1.5481 |
1.004 |
0.728 |
1.255 |
471 |
134 |
185.4 |
13.83 |
65.5 |
10.47 |
- |
34 |
0.82509 |
1277.4 |
0.02141 |
232.91 |
366.66 |
1.1121 |
1.5476 |
1.010 |
0.736 |
1.262 |
463 |
134 |
181.9 |
13.96 |
64.8 |
10.60 |
- |
36 |
0.86811 |
1269.8 |
0.02034 |
234.94 |
367.39 |
1.1186 |
1.5470 |
1.017 |
0.744 |
1.268 |
456 |
134 |
178.4 |
14.10 |
64.1 |
10.74 |
- |
38 |
0.91277 |
1262.0 |
0.01932 |
236.98 |
368.10 |
1.1251 |
1.5465 |
1.023 |
0.753 |
1.276 |
448 |
133 |
175.0 |
14.24 |
63.4 |
10.87 |
- |
40 |
0.95909 |
1254.2 |
0.01837 |
239.03 |
368.81 |
1.1315 |
1.5459 |
1.030 |
0.762 |
1.283 |
440 |
133 |
171.6 |
14.38 |
62.7 |
11.01 |
- |
42 |
1.0071 |
1246.2 |
0.01747 |
241.10 |
369.49 |
1.1380 |
1.5454 |
1.038 |
0.771 |
1.292 |
433 |
132 |
168.4 |
14.53 |
62.0 |
11.15 |
- |
44 |
1.0569 |
1238.1 |
0.01661 |
243.18 |
370.16 |
1.1444 |
1.5448 |
1.045 |
0.780 |
1.300 |
425 |
132 |
165.3 |
14.68 |
61.3 |
11.29 |
- |
46 |
1.1085 |
1229.8 |
0.01581 |
245.27 |
370.82 |
1.1509 |
1.5443 |
1.053 |
0.791 |
1.310 |
417 |
131 |
162.2 |
14.83 |
60.6 |
11.44 |
- |
48 |
1.1618 |
1221.5 |
0.01505 |
247.38 |
371.45 |
1.1573 |
1.5437 |
1.062 |
0.801 |
1.320 |
409 |
131 |
159.2 |
14.99 |
59.9 |
11.58 |
- |
50 |
1.2171 |
1213.0 |
0.01432 |
249.51 |
372.07 |
1.1638 |
1.5431 |
1.071 |
0.812 |
1.331 |
401 |
130 |
156.3 |
15.15 |
59.2 |
11.73 |
- |
52 |
1.2742 |
1204.3 |
0.01364 |
251.65 |
372.67 |
1.1703 |
1.5425 |
1.080 |
0.824 |
1.342 |
393 |
130 |
153.4 |
15.31 |
58.5 |
11.88 |
- |
54 |
1.3333 |
1195.6 |
0.01299 |
253.80 |
373.25 |
1.1767 |
1.5418 |
1.090 |
0.837 |
1.355 |
385 |
129 |
150.7 |
15.48 |
57.8 |
12.04 |
- |
56 |
1.3944 |
1186.6 |
0.01237 |
255.97 |
373.81 |
1.1832 |
1.5412 |
1.100 |
0.850 |
1.369 |
377 |
128 |
148.0 |
15.65 |
57.1 |
12.20 |
- |
58 |
1.4575 |
1177.5 |
0.01179 |
258.16 |
374.35 |
1.1896 |
1.5405 |
1.111 |
0.865 |
1.383 |
369 |
128 |
145.3 |
15.83 |
56.4 |
12.35 |
- |
60 |
1.5227 |
1168.2 |
0.01123 |
260.37 |
374.86 |
1.1961 |
1.5398 |
1.123 |
0.880 |
1.399 |
361 |
127 |
142.7 |
16.01 |
55.7 |
12.52 |
- |
62 |
1.5901 |
1158.7 |
0.01070 |
262.60 |
375.35 |
1.2026 |
1.5390 |
1.135 |
0.896 |
1.417 |
352 |
126 |
140.2 |
16.19 |
55.0 |
12.68 |
- |
64 |
1.6595 |
1149.0 |
0.01020 |
264.85 |
375.81 |
1.2091 |
1.5382 |
1.148 |
0.914 |
1.436 |
344 |
125 |
137.8 |
16.38 |
54.4 |
12.85 |
- |
66 |
1.7312 |
1139.0 |
0.00972 |
267.12 |
376.24 |
1.2157 |
1.5374 |
1.163 |
0.933 |
1.456 |
336 |
125 |
135.4 |
16.58 |
53.7 |
13.02 |
- |
68 |
1.8052 |
1128.9 |
0.00926 |
269.42 |
376.64 |
1.2222 |
1.5365 |
1.178 |
0.954 |
1.479 |
327 |
124 |
133.1 |
16.78 |
53.0 |
13.19 |
- |
70 |
1.8814 |
1118.5 |
0.00882 |
271.73 |
377.01 |
1.2288 |
1.5356 |
1.194 |
0.977 |
1.505 |
319 |
123 |
- |
- |
- |
- |
- |
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
75 |
2.0825 |
1091.2 |
0.00781 |
277.65 |
377.77 |
1.2454 |
1.5330 |
1.242 |
1.043 |
1.581 |
297 |
120 |
- |
- |
- |
- |
- |
80 |
2.2991 |
1061.8 |
0.00690 |
283.75 |
378.26 |
1.2622 |
1.5298 |
1.303 |
1.131 |
1.683 |
275 |
118 |
- |
- |
- |
- |
- |
85 |
2.5322 |
1029.7 |
0.00607 |
290.09 |
378.40 |
1.2794 |
1.5260 |
1.384 |
1.251 |
1.825 |
252 |
115 |
- |
- |
- |
- |
- |
90 |
2.7829 |
994.2 |
0.00532 |
296.73 |
378.10 |
1.2971 |
1.5212 |
1.496 |
1.427 |
2.037 |
228 |
111 |
- |
- |
- |
- |
- |
95 |
3.0524 |
953.9 |
0.00462 |
303.76 |
377.16 |
1.3156 |
1.5150 |
1.669 |
1.712 |
2.383 |
203 |
108 |
- |
- |
- |
- |
- |
100 |
3.3425 |
906.3 |
0.00395 |
311.38 |
375.26 |
1.3353 |
1.5065 |
1.977 |
2.252 |
3.039 |
175 |
104 |
- |
- |
- |
- |
- |
105 |
3.6555 |
845.3 |
0.00328 |
320.04 |
371.60 |
1.3574 |
1.4937 |
2.741 |
3.643 |
4.716 |
143 |
99 |
- |
- |
- |
- |
- |
110 |
3.9958 |
741.7 |
0.00248 |
331.90 |
362.83 |
1.3874 |
1.4682 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
111.78 |
4.1249 |
564.6 |
0.00177 |
347.39 |
347.39 |
1.4272 |
1.4272 |
inf. | inf. | inf. | 0 |
0 |
|
|
inf. | inf. | 0 |