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., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-140 |
0.260 |
104.06 |
108.980 |
-20.324 |
61.801 |
-0.05521 |
0.20169 |
0.1978 |
0.1099 |
1.1791 |
2676 |
393 |
|
|
|
|
25.79 |
-130 |
0.417 |
103.16 |
69.954 |
-18.338 |
62.880 |
-0.04910 |
0.19727 |
0.1994 |
0.1122 |
1.1759 |
2665 |
398 |
|
|
|
|
24.91 |
-120 |
0.648 |
102.24 |
46.326 |
-16.337 |
63.974 |
-0.04312 |
0.19332 |
0.2005 |
0.1145 |
1.1732 |
2648 |
403 |
|
|
|
|
24.04 |
-110 |
0.979 |
101.32 |
31.556 |
-14.327 |
65.081 |
-0.03729 |
0.18981 |
0.2014 |
0.1168 |
1.1708 |
2625 |
408 |
|
|
|
|
23.18 |
-100 |
1.438 |
100.40 |
22.049 |
-12.308 |
66.199 |
-0.03160 |
0.18668 |
0.2023 |
0.1190 |
1.1688 |
2597 |
413 |
|
|
|
|
22.33 |
-95 |
1.727 |
99.93 |
18.594 |
-11.295 |
66.762 |
-0.02880 |
0.18525 |
0.2027 |
0.1202 |
1.1680 |
2581 |
415 |
|
|
|
|
21.90 |
-90 |
2.063 |
99.46 |
15.766 |
-10.280 |
67.327 |
-0.02604 |
0.18390 |
0.2031 |
0.1213 |
1.1673 |
2563 |
417 |
1.343 |
0.0200 |
0.0594 |
0.00294 |
21.48 |
-85 |
2.450 |
98.99 |
13.438 |
-9.263 |
67.894 |
-0.02331 |
0.18262 |
0.2035 |
0.1224 |
1.1666 |
2545 |
420 |
1.302 |
0.0204 |
0.0588 |
0.00303 |
21.06 |
-80 |
2.894 |
98.52 |
11.511 |
-8.244 |
68.462 |
-0.02061 |
0.18142 |
0.2039 |
0.1235 |
1.1661 |
2526 |
422 |
1.262 |
0.0209 |
0.0582 |
0.00311 |
20.64 |
-75 |
3.402 |
98.04 |
9.9073 |
-7.223 |
69.032 |
-0.01794 |
0.18029 |
0.2044 |
0.1245 |
1.1657 |
2505 |
424 |
1.223 |
0.0213 |
0.0576 |
0.00320 |
20.22 |
-70 |
3.980 |
97.56 |
8.5655 |
-6.200 |
69.603 |
-0.01530 |
0.17923 |
0.2048 |
0.1256 |
1.1654 |
2484 |
426 |
1.185 |
0.0217 |
0.0569 |
0.00328 |
19.80 |
-65 |
4.634 |
97.08 |
7.4374 |
-5.173 |
70.175 |
-0.01269 |
0.17823 |
0.2053 |
0.1267 |
1.1653 |
2462 |
428 |
1.148 |
0.0222 |
0.0563 |
0.00337 |
19.39 |
-60 |
5.372 |
96.60 |
6.4844 |
-4.145 |
70.747 |
-0.01010 |
0.17728 |
0.2059 |
0.1278 |
1.1652 |
2440 |
429 |
1.112 |
0.0226 |
0.0557 |
0.00345 |
18.98 |
-55 |
6.202 |
96.12 |
5.6756 |
-3.113 |
71.320 |
-0.00754 |
0.17640 |
0.2064 |
0.1289 |
1.1653 |
2416 |
431 |
1.077 |
0.0230 |
0.0551 |
0.00353 |
18.57 |
-50 |
7.131 |
95.63 |
4.9863 |
-2.078 |
71.893 |
-0.00500 |
0.17556 |
0.2070 |
0.1300 |
1.1655 |
2392 |
433 |
1.043 |
0.0233 |
0.0545 |
0.00361 |
18.16 |
-45 |
8.167 |
95.14 |
4.3963 |
-1.041 |
72.465 |
-0.00249 |
0.17478 |
0.2076 |
0.1311 |
1.1658 |
2367 |
435 |
1.010 |
0.0237 |
0.0538 |
0.00369 |
17.75 |
-40 |
9.319 |
94.65 |
3.8894 |
0.000 |
73.038 |
0.00000 |
0.17404 |
0.2082 |
0.1322 |
1.1663 |
2342 |
436 |
0.978 |
0.0241 |
0.0532 |
0.00377 |
17.35 |
-35 |
10.597 |
94.15 |
3.4520 |
1.044 |
73.609 |
0.00247 |
0.17334 |
0.2089 |
0.1334 |
1.1669 |
2316 |
438 |
0.947 |
0.0244 |
0.0526 |
0.00385 |
16.95 |
-30 |
12.008 |
93.65 |
3.0734 |
2.092 |
74.179 |
0.00492 |
0.17269 |
0.2096 |
0.1345 |
1.1676 |
2289 |
439 |
0.917 |
0.0248 |
0.0520 |
0.00393 |
16.55 |
-25 |
13.562 |
93.15 |
2.7443 |
3.144 |
74.749 |
0.00734 |
0.17207 |
0.2104 |
0.1357 |
1.1685 |
2262 |
440 |
0.888 |
0.0251 |
0.0514 |
0.00401 |
16.15 |
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-21.63 |
14.696 |
92.81 |
2.5467 |
3.855 |
75.131 |
0.00897 |
0.17168 |
0.2109 |
0.1365 |
1.1692 |
2244 |
441 |
0.869 |
0.0254 |
0.0510 |
0.00407 |
15.88 |
-20 |
15.270 |
92.64 |
2.4574 |
4.200 |
75.316 |
0.00975 |
0.17150 |
0.2112 |
0.1369 |
1.1696 |
2235 |
442 |
0.860 |
0.0255 |
0.0508 |
0.00409 |
15.75 |
-15 |
17.141 |
92.13 |
2.2065 |
5.260 |
75.881 |
0.01214 |
0.17096 |
0.2120 |
0.1381 |
1.1708 |
2207 |
443 |
0.834 |
0.0258 |
0.0502 |
0.00417 |
15.36 |
-10 |
19.186 |
91.62 |
1.9863 |
6.324 |
76.445 |
0.01451 |
0.17045 |
0.2129 |
0.1393 |
1.1722 |
2178 |
444 |
0.808 |
0.0262 |
0.0496 |
0.00426 |
14.97 |
-5 |
21.414 |
91.10 |
1.7924 |
7.392 |
77.006 |
0.01686 |
0.16997 |
0.2138 |
0.1406 |
1.1737 |
2149 |
445 |
0.783 |
0.0265 |
0.0490 |
0.00434 |
14.58 |
0 |
23.837 |
90.58 |
1.6213 |
8.466 |
77.564 |
0.01920 |
0.16952 |
0.2147 |
0.1419 |
1.1755 |
2120 |
446 |
0.758 |
0.0268 |
0.0484 |
0.00442 |
14.19 |
5 |
26.466 |
90.05 |
1.4698 |
9.544 |
78.119 |
0.02152 |
0.16910 |
0.2157 |
0.1432 |
1.1774 |
2091 |
446 |
0.735 |
0.0272 |
0.0478 |
0.00450 |
|
10 |
29.313 |
89.52 |
1.3353 |
10.627 |
78.671 |
0.02383 |
0.16870 |
0.2167 |
0.1446 |
1.1796 |
2061 |
447 |
0.713 |
0.0275 |
0.0472 |
0.00458 |
|
15 |
32.387 |
88.99 |
1.2156 |
11.716 |
79.219 |
0.02612 |
0.16833 |
0.2177 |
0.1460 |
1.1819 |
2030 |
447 |
0.691 |
0.0278 |
0.0466 |
0.00467 |
|
20 |
35.702 |
88.44 |
1.1088 |
12.810 |
79.763 |
0.02840 |
0.16798 |
0.2188 |
0.1474 |
1.1845 |
2000 |
448 |
0.670 |
0.0282 |
0.0460 |
0.00475 |
|
25 |
39.269 |
87.90 |
1.0133 |
13.910 |
80.303 |
0.03066 |
0.16765 |
0.2199 |
0.1489 |
1.1873 |
1969 |
448 |
0.650 |
0.0285 |
0.0454 |
0.00484 |
|
30 |
43.101 |
87.35 |
0.9276 |
15.016 |
80.838 |
0.03291 |
0.16734 |
0.2211 |
0.1504 |
1.1904 |
1938 |
448 |
0.631 |
0.0289 |
0.0448 |
0.00492 |
|
35 |
47.209 |
86.79 |
0.8506 |
16.127 |
81.369 |
0.03516 |
0.16704 |
0.2223 |
0.1520 |
1.1938 |
1906 |
448 |
0.612 |
0.0292 |
0.0442 |
0.00501 |
|
40 |
51.605 |
86.23 |
0.7813 |
17.245 |
81.894 |
0.03739 |
0.16677 |
0.2236 |
0.1537 |
1.1974 |
1875 |
448 |
0.595 |
0.0296 |
0.0436 |
0.00510 |
|
45 |
56.303 |
85.66 |
0.7187 |
18.370 |
82.413 |
0.03961 |
0.16651 |
0.2249 |
0.1554 |
1.2014 |
1843 |
448 |
0.577 |
0.0299 |
0.0431 |
0.00519 |
|
50 |
61.316 |
85.08 |
0.6621 |
19.501 |
82.927 |
0.04181 |
0.16626 |
0.2263 |
0.1571 |
1.2057 |
1810 |
448 |
0.561 |
0.0303 |
0.0425 |
0.00528 |
|
55 |
66.656 |
84.49 |
0.6109 |
20.640 |
83.434 |
0.04401 |
0.16602 |
0.2278 |
0.1589 |
1.2103 |
1778 |
448 |
0.545 |
0.0306 |
0.0419 |
0.00537 |
|
60 |
72.336 |
83.90 |
0.5643 |
21.786 |
83.935 |
0.04621 |
0.16580 |
0.2293 |
0.1608 |
1.2154 |
1745 |
447 |
0.529 |
0.0310 |
0.0413 |
0.00546 |
|
65 |
78.369 |
83.30 |
0.5219 |
22.939 |
84.428 |
0.04839 |
0.16559 |
0.2308 |
0.1628 |
1.2209 |
1712 |
446 |
0.514 |
0.0314 |
0.0407 |
0.00556 |
|
70 |
84.770 |
82.70 |
0.4833 |
24.100 |
84.914 |
0.05056 |
0.16538 |
0.2324 |
0.1648 |
1.2268 |
1679 |
445 |
0.500 |
0.0318 |
0.0401 |
0.00566 |
|
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
75 |
91.551 |
82.08 |
0.4481 |
25.269 |
85.392 |
0.05273 |
0.16518 |
0.2342 |
0.1670 |
1.2332 |
1645 |
444 |
0.486 |
0.0322 |
0.0396 |
0.00576 |
|
80 |
98.727 |
81.45 |
0.4158 |
26.447 |
85.861 |
0.05489 |
0.16499 |
0.2359 |
0.1692 |
1.2402 |
1611 |
443 |
0.473 |
0.0326 |
0.0390 |
0.00586 |
|
85 |
106.31 |
80.82 |
0.3863 |
27.633 |
86.321 |
0.05705 |
0.16480 |
0.2378 |
0.1716 |
1.2478 |
1577 |
442 |
0.460 |
0.0330 |
0.0384 |
0.00596 |
|
90 |
114.32 |
80.17 |
0.3592 |
28.829 |
86.772 |
0.05920 |
0.16462 |
0.2398 |
0.1740 |
1.2560 |
1543 |
441 |
0.448 |
0.0335 |
0.0378 |
0.00606 |
|
95 |
122.76 |
79.51 |
0.3342 |
30.034 |
87.212 |
0.06135 |
0.16444 |
0.2419 |
0.1766 |
1.2650 |
1508 |
439 |
0.436 |
0.0339 |
0.0373 |
0.00617 |
|
100 |
131.65 |
78.84 |
0.3113 |
31.249 |
87.641 |
0.06349 |
0.16425 |
0.2441 |
0.1794 |
1.2749 |
1473 |
437 |
0.424 |
0.0344 |
0.0367 |
0.00628 |
|
105 |
141.01 |
78.16 |
0.2901 |
32.474 |
88.059 |
0.06563 |
0.16407 |
0.2464 |
0.1823 |
1.2856 |
1438 |
435 |
0.413 |
0.0349 |
0.0361 |
0.00639 |
|
110 |
150.85 |
77.46 |
0.2706 |
33.711 |
88.464 |
0.06777 |
0.16389 |
0.2489 |
0.1855 |
1.2974 |
1402 |
433 |
0.402 |
0.0354 |
0.0356 |
0.00650 |
|
115 |
161.19 |
76.75 |
0.2525 |
34.959 |
88.856 |
0.06991 |
0.16370 |
0.2515 |
0.1888 |
1.3103 |
1367 |
431 |
0.392 |
0.0359 |
0.0350 |
0.00662 |
|
120 |
172.04 |
76.02 |
0.2358 |
36.219 |
89.233 |
0.07205 |
0.16351 |
0.2543 |
0.1924 |
1.3246 |
1331 |
429 |
0.382 |
0.0364 |
0.0345 |
0.00674 |
|
125 |
183.41 |
75.28 |
0.2203 |
37.492 |
89.596 |
0.07419 |
0.16330 |
0.2573 |
0.1963 |
1.3404 |
1294 |
426 |
0.372 |
0.0370 |
0.0339 |
0.00686 |
|
130 |
195.33 |
74.51 |
0.2058 |
38.778 |
89.942 |
0.07633 |
0.16309 |
0.2606 |
0.2005 |
1.3579 |
1258 |
423 |
0.363 |
0.0375 |
0.0333 |
0.00698 |
|
135 |
207.80 |
73.73 |
0.1924 |
40.079 |
90.270 |
0.07847 |
0.16287 |
0.2641 |
0.2050 |
1.3774 |
1220 |
420 |
0.354 |
0.0381 |
0.0328 |
0.00711 |
|
140 |
220.86 |
72.93 |
0.1799 |
41.394 |
90.578 |
0.08062 |
0.16264 |
0.2679 |
0.2100 |
1.3992 |
1183 |
417 |
0.345 |
0.0387 |
0.0322 |
0.00724 |
|
145 |
234.50 |
72.10 |
0.1682 |
42.727 |
90.866 |
0.08277 |
0.16239 |
0.2721 |
0.2155 |
1.4238 |
1145 |
413 |
0.337 |
0.0394 |
0.0317 |
0.00737 |
|
150 |
248.75 |
71.25 |
0.1573 |
44.076 |
91.131 |
0.08494 |
0.16212 |
0.2767 |
0.2217 |
1.4516 |
1107 |
410 |
0.329 |
0.0400 |
0.0311 |
0.00750 |
|
155 |
263.64 |
70.37 |
0.1471 |
45.444 |
91.371 |
0.08711 |
0.16183 |
0.2817 |
0.2285 |
1.4833 |
1069 |
406 |
0.321 |
0.0407 |
0.0306 |
0.00764 |
|
160 |
279.17 |
69.45 |
0.1375 |
46.833 |
91.583 |
0.08929 |
0.16151 |
0.2874 |
0.2363 |
1.5197 |
1030 |
401 |
|
|
|
|
|
165 |
295.37 |
68.51 |
0.1285 |
48.244 |
91.765 |
0.09149 |
0.16116 |
0.2937 |
0.2451 |
1.5619 |
990 |
397 |
|
|
|
|
|
170 |
312.25 |
67.52 |
0.1200 |
49.680 |
91.912 |
0.09371 |
0.16078 |
0.3009 |
0.2553 |
1.6113 |
950 |
392 |
|
|
|
|
|
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
175 |
329.85 |
66.50 |
0.1120 |
51.142 |
92.021 |
0.09594 |
0.16035 |
0.3092 |
0.2673 |
1.6697 |
910 |
387 |
|
|
|
|
|
180 |
348.18 |
65.42 |
0.1044 |
52.635 |
92.085 |
0.09820 |
0.15988 |
0.3188 |
0.2814 |
1.7397 |
868 |
382 |
|
|
|
|
|
185 |
367.27 |
64.28 |
0.0973 |
54.162 |
92.099 |
0.10050 |
0.15935 |
0.3302 |
0.2986 |
1.8253 |
826 |
376 |
|
|
|
|
|
190 |
387.14 |
63.08 |
0.0904 |
55.727 |
92.054 |
0.10283 |
0.15874 |
0.3439 |
0.3197 |
1.9317 |
783 |
370 |
|
|
|
|
|
195 |
407.83 |
61.80 |
0.0839 |
57.339 |
91.938 |
0.10520 |
0.15805 |
0.3607 |
0.3465 |
2.0675 |
739 |
364 |
|
|
|
|
|
200 |
429.37 |
60.43 |
0.0776 |
59.004 |
91.736 |
0.10764 |
0.15726 |
0.3822 |
0.3817 |
2.2464 |
693 |
357 |
|
|
|
|
|
210 |
475.17 |
57.29 |
0.0656 |
62.550 |
90.978 |
0.11276 |
0.15521 |
0.4508 |
0.4997 |
2.8478 |
595 |
343 |
|
|
|
|
|
220 |
524.96 |
53.26 |
0.0537 |
66.578 |
89.410 |
0.11848 |
0.15207 |
0.6212 |
0.8091 |
4.4129 |
483 |
326 |
|
|
|
|
|
230 |
579.55 |
46.30 |
0.0397 |
72.122 |
85.410 |
0.12628 |
0.14554 |
|
|
|
|
|
|
|
|
|
|
233.2 |
598.27 |
35.25 |
0.0284 |
78.775 |
78.775 |
0.13578 |
0.13578 |
inf. | inf. | inf. | 0 |
0 |
|
|
inf. | inf. | 0 |