Refrigerant 152a (Difluoroethane) properties of saturated liquid and saturated vapor
From ASHRAE (1997), with permission
Values shown in blue
are at the triple point
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 |
|||
-118.59 |
0.00008 |
1189.9 |
236.26 |
- |
419.38 |
- |
2.7050 |
- |
0.681 |
1.227 |
- |
154 |
- |
- |
- |
- |
- |
-110 |
0.00021 |
1174.7 |
97.469 |
- |
425.29 |
- |
2.6241 |
- |
0.705 |
1.219 |
- |
158 |
- |
- |
- |
- |
- |
-100 |
0.00060 |
1156.8 |
36.352 |
- |
432.38 |
- |
2.5348 |
- |
0.733 |
1.210 |
- |
162 |
- |
- |
- |
- |
- |
-90 |
0.00154 |
1138.7 |
14.890 |
- |
439.68 |
- |
2.4567 |
- |
0.761 |
1.202 |
- |
166 |
- |
- |
- |
- |
- |
-80 |
0.00360 |
1120.3 |
6.7249 |
74.09 |
447.13 |
0.4588 |
2.3902 |
- |
0.792 |
1.196 |
- |
170 |
- |
- |
- |
- |
- |
-70 |
0.00765 |
1101.6 |
3.3187 |
87.99 |
454.71 |
0.5289 |
2.3341 |
- |
0.824 |
1.192 |
- |
173 |
558.3 |
- |
- |
- |
- |
-60 |
0.01499 |
1082.7 |
1.7685 |
102.89 |
462.35 |
0.6005 |
2.2869 |
- |
0.860 |
1.189 |
- |
176 |
473.7 |
- |
- |
- |
- |
-50 |
0.02741 |
1063.3 |
1.0064 |
118.31 |
470.00 |
0.6711 |
2.2471 |
1.560 |
0.901 |
1.189 |
1012 |
179 |
406.4 |
- |
- |
- |
- |
-45 |
0.03622 |
1053.5 |
0.77567 |
126.15 |
473.82 |
0.7058 |
2.2297 |
1.575 |
0.923 |
1.190 |
987 |
181 |
377.8 |
- |
- |
- |
- |
-40 |
0.04720 |
1043.5 |
0.60556 |
134.07 |
477.61 |
0.7401 |
2.2136 |
1.590 |
0.947 |
1.191 |
962 |
182 |
352.1 |
- |
- |
- |
- |
-35 |
0.06072 |
1033.5 |
0.47838 |
142.06 |
481.39 |
0.7740 |
2.1988 |
1.603 |
0.972 |
1.193 |
938 |
183 |
328.8 |
- |
- |
- |
- |
-30 |
0.07718 |
1023.3 |
0.38205 |
150.12 |
485.13 |
0.8074 |
2.1852 |
1.617 |
0.998 |
1.195 |
913 |
184 |
307.7 |
- |
- |
- |
- |
-25 |
0.09702 |
1013.0 |
0.30820 |
158.25 |
488.84 |
0.8404 |
2.1726 |
1.631 |
1.026 |
1.198 |
889 |
185 |
288.5 |
- |
- |
- |
- |
-24.02 |
0.10132 |
1010.9 |
0.29588 |
159.84 |
489.56 |
0.8468 |
2.1703 |
1.633 |
1.032 |
1.199 |
884 |
185 |
285.0 |
- |
- |
- |
- |
-20 |
0.12071 |
1002.5 |
0.25094 |
166.45 |
492.51 |
0.8730 |
2.1610 |
1.645 |
1.055 |
1.202 |
865 |
185 |
271.0 |
- |
127.2 |
- |
- |
-15 |
0.14872 |
991.9 |
0.20608 |
174.72 |
496.13 |
0.9053 |
2.1503 |
1.659 |
1.086 |
1.207 |
841 |
186 |
255.0 |
- |
124.3 |
- |
- |
-10 |
0.18160 |
981.1 |
0.17057 |
183.07 |
499.70 |
0.9372 |
2.1404 |
1.674 |
1.118 |
1.212 |
816 |
187 |
240.3 |
- |
121.3 |
- |
14.65 |
-5 |
0.21988 |
970.1 |
0.14221 |
191.49 |
503.21 |
0.9687 |
2.1312 |
1.690 |
1.151 |
1.218 |
792 |
187 |
226.8 |
- |
118.4 |
- |
13.93 |
0 |
0.26414 |
958.9 |
0.11936 |
200.00 |
506.66 |
1.0000 |
2.1227 |
1.707 |
1.186 |
1.225 |
768 |
187 |
214.3 |
- |
115.5 |
- |
13.22 |
2 |
0.28364 |
954.3 |
0.11148 |
203.43 |
508.01 |
1.0124 |
2.1194 |
1.714 |
1.200 |
1.229 |
758 |
187 |
209.6 |
- |
114.3 |
- |
12.93 |
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 |
|||
4 |
0.30425 |
949.8 |
0.10421 |
206.87 |
509.36 |
1.0248 |
2.1162 |
1.721 |
1.214 |
1.232 |
748 |
187 |
205.0 |
- |
113.2 |
- |
12.65 |
6 |
0.32598 |
945.1 |
0.09751 |
210.33 |
510.69 |
1.0372 |
2.1132 |
1.728 |
1.229 |
1.235 |
739 |
187 |
200.5 |
- |
112.0 |
- |
12.37 |
8 |
0.34888 |
940.5 |
0.09133 |
213.80 |
512.01 |
1.0495 |
2.1102 |
1.736 |
1.244 |
1.239 |
729 |
187 |
196.2 |
- |
110.8 |
- |
12.09 |
10 |
0.37300 |
935.8 |
0.08560 |
217.28 |
513.32 |
1.0617 |
2.1072 |
1.743 |
1.259 |
1.243 |
719 |
187 |
192.0 |
9.61 |
109.7 |
- |
11.81 |
12 |
0.39837 |
931.1 |
0.08030 |
220.79 |
514.61 |
1.0740 |
2.1044 |
1.751 |
1.274 |
1.247 |
709 |
187 |
187.9 |
9.67 |
108.5 |
- |
11.53 |
14 |
0.42503 |
926.3 |
0.07539 |
224.30 |
515.89 |
1.0861 |
2.1016 |
1.759 |
1.290 |
1.251 |
699 |
187 |
183.9 |
9.74 |
107.3 |
- |
11.25 |
16 |
0.45304 |
921.5 |
0.07084 |
227.84 |
517.15 |
1.0983 |
2.0989 |
1.768 |
1.306 |
1.256 |
690 |
186 |
180.1 |
9.80 |
106.2 |
- |
10.97 |
18 |
0.48243 |
916.6 |
0.06661 |
231.39 |
518.40 |
1.1104 |
2.0962 |
1.776 |
1.322 |
1.260 |
680 |
186 |
176.3 |
9.87 |
105.0 |
- |
10.70 |
20 |
0.51324 |
911.7 |
0.06267 |
234.96 |
519.63 |
1.1225 |
2.0936 |
1.785 |
1.338 |
1.266 |
670 |
186 |
172.6 |
9.94 |
103.9 |
- |
10.43 |
22 |
0.54552 |
906.7 |
0.05901 |
238.54 |
520.85 |
1.1346 |
2.0911 |
1.794 |
1.355 |
1.271 |
660 |
186 |
169.1 |
10.01 |
102.7 |
- |
10.15 |
24 |
0.57932 |
901.7 |
0.05560 |
242.15 |
522.04 |
1.1466 |
2.0886 |
1.804 |
1.372 |
1.276 |
650 |
185 |
165.6 |
10.08 |
101.6 |
- |
9.88 |
26 |
0.61468 |
896.6 |
0.05242 |
245.77 |
523.22 |
1.1587 |
2.0861 |
1.813 |
1.390 |
1.282 |
640 |
185 |
162.2 |
10.15 |
100.5 |
- |
9.61 |
28 |
0.65165 |
891.5 |
0.04945 |
249.41 |
524.37 |
1.1707 |
2.0837 |
1.823 |
1.408 |
1.288 |
630 |
185 |
158.8 |
10.22 |
99.3 |
- |
9.35 |
30 |
0.69027 |
886.3 |
0.04668 |
253.07 |
525.51 |
1.1826 |
2.0813 |
1.834 |
1.426 |
1.295 |
620 |
184 |
155.6 |
10.29 |
98.2 |
- |
9.08 |
32 |
0.73059 |
881.1 |
0.04408 |
256.75 |
526.62 |
1.1946 |
2.0790 |
1.844 |
1.445 |
1.302 |
610 |
184 |
152.4 |
10.37 |
97.1 |
- |
8.81 |
34 |
0.77266 |
875.8 |
0.04165 |
260.45 |
527.71 |
1.2065 |
2.0766 |
1.855 |
1.464 |
1.309 |
600 |
183 |
149.3 |
10.44 |
96.0 |
- |
8.55 |
36 |
0.81652 |
870.4 |
0.03938 |
264.18 |
528.78 |
1.2184 |
2.0743 |
1.867 |
1.485 |
1.317 |
589 |
183 |
146.3 |
10.51 |
94.8 |
- |
8.29 |
38 |
0.86224 |
865.0 |
0.03724 |
267.92 |
529.82 |
1.2303 |
2.0721 |
1.879 |
1.505 |
1.325 |
579 |
182 |
143.4 |
10.59 |
93.7 |
- |
8.03 |
40 |
0.90984 |
859.4 |
0.03524 |
271.69 |
530.84 |
1.2422 |
2.0698 |
1.891 |
1.527 |
1.334 |
569 |
182 |
140.5 |
10.67 |
92.6 |
- |
7.77 |
42 |
0.95940 |
853.8 |
0.03336 |
275.48 |
531.83 |
1.2541 |
2.0675 |
1.904 |
1.549 |
1.343 |
559 |
181 |
137.6 |
10.75 |
91.5 |
- |
7.51 |
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 |
|||
44 |
1.0110 |
848.2 |
0.03159 |
279.30 |
532.79 |
1.2660 |
2.0653 |
1.918 |
1.572 |
1.353 |
548 |
181 |
134.9 |
10.83 |
90.5 |
- |
7.25 |
46 |
1.0646 |
842.4 |
0.02993 |
283.14 |
533.72 |
1.2779 |
2.0630 |
1.932 |
1.596 |
1.363 |
538 |
180 |
132.1 |
10.91 |
89.4 |
- |
7.00 |
48 |
1.1203 |
836.5 |
0.02836 |
287.01 |
534.62 |
1.2897 |
2.0608 |
1.947 |
1.621 |
1.375 |
528 |
179 |
129.5 |
11.00 |
88.3 |
- |
6.75 |
50 |
1.1781 |
830.6 |
0.02688 |
290.90 |
535.48 |
1.3016 |
2.0585 |
1.963 |
1.641 |
1.387 |
517 |
178 |
126.9 |
11.08 |
87.2 |
- |
6.49 |
52 |
1.2382 |
824.5 |
0.02549 |
294.82 |
536.31 |
1.3135 |
2.0562 |
1.979 |
1.675 |
1.399 |
507 |
178 |
124.3 |
11.17 |
86.2 |
- |
6.24 |
54 |
1.3005 |
818.4 |
0.02417 |
298.78 |
537.11 |
1.3254 |
2.0539 |
1.997 |
1.704 |
1.413 |
496 |
177 |
121.8 |
11.26 |
85.1 |
- |
6.00 |
56 |
1.3652 |
812.1 |
0.02293 |
302.76 |
537.86 |
1.3373 |
2.0516 |
2.015 |
1.734 |
1.428 |
486 |
176 |
119.3 |
11.36 |
84.1 |
- |
5.75 |
58 |
1.4322 |
805.8 |
0.02176 |
306.78 |
538.57 |
1.3492 |
2.0492 |
2.035 |
1.767 |
1.444 |
475 |
175 |
116.9 |
11.46 |
83.1 |
- |
4.51 |
60 |
1.5016 |
799.3 |
0.02065 |
310.83 |
539.24 |
1.3611 |
2.0468 |
2.055 |
1.801 |
1.461 |
464 |
174 |
114.5 |
11.56 |
82.0 |
- |
5.26 |
62 |
1.5736 |
792.6 |
0.01959 |
314.91 |
539.86 |
1.3731 |
2.0443 |
2.077 |
1.837 |
1.480 |
454 |
173 |
112.1 |
11.67 |
81.0 |
- |
5.02 |
64 |
1.6481 |
785.9 |
0.01860 |
319.04 |
540.43 |
1.3851 |
2.0417 |
2.101 |
1.876 |
1.500 |
443 |
172 |
109.8 |
11.78 |
80.0 |
- |
4.79 |
66 |
1.7253 |
778.9 |
0.01765 |
323.20 |
540.95 |
1.3971 |
2.0392 |
2.126 |
1.918 |
1.522 |
432 |
171 |
107.6 |
11.90 |
79.0 |
- |
4.55 |
68 |
1.8051 |
771.8 |
0.01675 |
327.40 |
541.42 |
1.4091 |
2.0365 |
2.153 |
1.963 |
1.547 |
421 |
169 |
105.4 |
12.02 |
78.1 |
- |
4.32 |
70 |
1.8876 |
764.6 |
0.01590 |
331.65 |
541.82 |
1.4213 |
2.0337 |
2.182 |
2.012 |
1.573 |
410 |
168 |
103.2 |
12.15 |
77.1 |
- |
4.08 |
72 |
1.9730 |
757.1 |
0.01508 |
335.95 |
542.15 |
1.4334 |
2.0308 |
2.214 |
2.065 |
1.602 |
399 |
167 |
- |
12.28 |
76.1 |
- |
3.86 |
74 |
2.0613 |
749.5 |
0.01431 |
340.30 |
542.42 |
1.4456 |
2.0279 |
2.249 |
2.123 |
1.635 |
387 |
166 |
- |
12.42 |
75.2 |
- |
3.63 |
76 |
2.1525 |
741.6 |
0.01358 |
344.69 |
542.61 |
1.4579 |
2.0248 |
2.287 |
2.186 |
1.671 |
376 |
164 |
- |
12.57 |
74.3 |
- |
3.40 |
78 |
2.2468 |
733.5 |
0.01287 |
349.15 |
542.71 |
1.4703 |
2.0215 |
2.328 |
2.257 |
1.711 |
365 |
163 |
- |
12.73 |
- |
- |
3.18 |
80 |
2.3441 |
725.2 |
0.01220 |
353.67 |
542.73 |
1.4827 |
2.0181 |
2.374 |
2.335 |
1.756 |
353 |
161 |
- |
12.90 |
- |
- |
2.96 |
82 |
2.4447 |
716.5 |
0.01156 |
358.26 |
542.64 |
1.4953 |
2.0145 |
2.426 |
2.423 |
1.801 |
341 |
160 |
- |
13.08 |
- |
- |
2.75 |
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 |
|||
84 |
2.5485 |
707.6 |
0.01094 |
362.92 |
542.45 |
1.5080 |
2.0107 |
2.483 |
2.522 |
1.865 |
329 |
158 |
- |
13.27 |
- |
- |
2.53 |
86 |
2.6557 |
698.3 |
0.01036 |
367.67 |
542.14 |
1.5208 |
2.0066 |
2.549 |
2.635 |
1.932 |
317 |
156 |
- |
13.47 |
- |
- |
2.33 |
88 |
2.7663 |
688.6 |
0.00979 |
372.50 |
541.69 |
1.5338 |
2.0023 |
2.623 |
2.765 |
2.009 |
305 |
154 |
- |
13.68 |
- |
- |
2.12 |
90 |
2.8804 |
678.4 |
0.00925 |
377.43 |
541.10 |
1.5469 |
1.9976 |
2.710 |
2.918 |
2.100 |
293 |
153 |
- |
13.91 |
- |
- |
1.92 |
92 |
2.9983 |
667.8 |
0.00872 |
382.48 |
540.33 |
1.5603 |
1.9926 |
2.812 |
3.098 |
2.208 |
280 |
151 |
- |
- |
- |
- |
1.72 |
94 |
3.1198 |
656.6 |
0.00821 |
387.65 |
539.36 |
1.5739 |
1.9871 |
2.934 |
3.315 |
2.339 |
267 |
149 |
- |
- |
- |
- |
1.52 |
96 |
3.2453 |
644.7 |
0.00772 |
392.98 |
538.17 |
1.5879 |
1.9812 |
3.082 |
3.581 |
2.500 |
254 |
146 |
- |
- |
- |
- |
1.33 |
98 |
3.3748 |
632.0 |
0.00725 |
398.48 |
536.70 |
1.6022 |
1.9746 |
3.268 |
3.916 |
2.703 |
241 |
144 |
- |
- |
- |
- |
1.15 |
100 |
3.5084 |
618.3 |
0.00678 |
404.19 |
534.91 |
1.6170 |
1.9673 |
3.507 |
4.350 |
2.966 |
227 |
142 |
- |
- |
- |
- |
0.97 |
105 |
3.8619 |
577.7 |
0.00563 |
419.80 |
528.38 |
1.6570 |
1.9441 |
- |
- |
- |
190 |
135 |
- |
- |
- |
- |
0.54 |
110 |
4.1792 |
469.5 |
0.00213 |
448.61 |
448.63 |
1.7310 |
1.7310 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.17 |
113.26 |
4.5165 |
368.0 |
0.00272 |
476.70 |
476.70 |
1.8019 |
1.8019 |
inf. | inf. | inf. | 0 |
0 |
- |
- |
inf. | inf. | 0.00 |