Physical properties of selected refrigerants
From ASHRAE, 1989
Number |
Chemical name or Composition (% by mass) |
Chemical formula |
Molecular Mass |
Boiling Pt. (NBP) at 1 atm, |
Freezing point, |
Critical temperature, |
Critical pressure, |
Critical volume, |
11 |
Trichlorofluoromethane |
CCl3F |
137.38 |
23.82 |
-111 |
198 |
4406 |
1.804 |
12 |
Dichlorodifluoromethane |
CCl2F2 |
120.93 |
-29.79 |
-158 |
112 |
4113 |
1.792 |
13 |
Chlorotrifluoromethane |
CCIF3 |
104.47 |
-81.4 |
-181 |
28.8 |
3865 |
1.729 |
13B1 |
Bromotrifluoromethane |
CBrF3 |
148.93 |
-57.75 |
-168 |
67 |
3962 |
1.342 |
14 |
Tetrafluoromethane |
CF4 |
88.01 |
-127.9 |
-184.9 |
-45.7 |
3741 |
1.598 |
21 |
Dichlorofluoromethane |
CHCI2F |
102.92 |
8.9 |
-135 |
178.5 |
5168 |
1.917 |
22 |
Chlorodifluoromethane |
CHCIF2 |
86.48 |
-40.76 |
-160 |
96 |
4974 |
1.904 |
23 |
Trifluoromethane |
CHF3 |
70.02 |
-82.1 |
-155 |
25.6 |
4833 |
1.942 |
30 |
Methylene chloride |
CH2CI2 |
84.93 |
40.2 |
-97 |
237 |
6077 |
1.4244 |
32 |
Difluoromethane |
CH2F2 |
52.02 |
-51.8 |
-136 |
78.4 |
5830 |
2.326 |
40 |
Methyl chloride |
CH3CI |
50.49 |
-12.4 |
-97.8 |
143.1 |
6674 |
2.834 |
50 |
Methane |
CH4 |
16.04 |
-161.5 |
-182.2 |
-82.5 |
4638 |
6.181 |
113 |
Trichlorotrifluoroethane |
CCI2FCCIF2 |
187.39 |
47.57 |
-35 |
214.1 |
3437 |
1.736 |
114 |
Dichlorotetrafluoroethane |
CCIF2CCIF2 |
170.94 |
3.8 |
-94 |
145.7 |
3259 |
1.717 |
115 |
Chloropentafluoroethane |
CCIF2CF3 |
154.48 |
-39.1 |
-106 |
79.9 |
3153 |
1.629 |
Number |
Chemical name or Composition (% by mass) |
Chemical formula |
Molecular Mass |
Boiling Pt. (NBP) at 1 atm, |
Freezing point, |
Critical temperature, |
Critical pressure, |
Critical volume, |
123 |
Dichlorotrifluoroethane |
CHCl2CF3 |
152.93 |
27.87 |
-107.15 |
183.79 |
3674 |
- |
124 |
Chlorotetrafluoroethane |
CHCIFCF3 |
136.47 |
-13.19 |
-199.15 |
122.5 |
3660 |
- |
125 |
Pentafluoroethane |
C2HF5 |
120.03 |
-48.57 |
-103.15 |
66.3 |
3630.6 |
- |
134a |
Tetrafluoroethane |
CF3CH2F |
102.03 |
-26.16 |
-96.6 |
101.1 |
4067 |
1.81 |
141b |
Dichlorofluoroethane |
CCI2FCH3 |
116.95 |
32 |
- |
204.2 |
4250 |
- |
142b |
Chlorodifluoroethane |
CCIF2CH3 |
100.5 |
-9.8 |
-131 |
137.1 |
4120 |
2.297 |
152a |
Difluoroethane |
CHF2CH3 |
66.05 |
-25 |
-117 |
113.5 |
4492 |
2.741 |
160 |
Ethyl chloride |
C2H5CI |
64.52 |
12.4 |
-138.3 |
187.2 |
5267 |
3.028 |
170 |
Ethane |
C2H6 |
30.07 |
-88.8 |
-183 |
32.2 |
4891 |
5.182 |
216ca |
Dichlorohexafluoropropane |
C3CI2F6 |
220.93 |
35.69 |
-125.4 |
180 |
2753 |
1.742 |
290 |
Propane |
C3H8 |
44.1 |
-42.09 |
-187.7 |
96.7 |
4248 |
4.53 |
C318 |
Octafluorocyclobutane |
C4F8 |
200.04 |
-5.8 |
-41.4 |
115.3 |
2781 |
1.611 |
500 |
R-12/152a (73.8/26.2) |
- |
99.31 |
-33.5 |
-159 |
105.5 |
4423 |
2.016 |
502 |
R-22/115 (48.8/51.2) |
- |
111.63 |
-45.4 |
- |
82.2 |
4075 |
1.785 |
503 |
R-23/13 (40.1/59.9) |
- |
87.5 |
-88.7 |
- |
19.5 |
4182 |
2.035 |
Number |
Chemical name or Composition (% by mass) |
Chemical formula |
Molecular Mass |
Boiling Pt. (NBP) at 1 atm, |
Freezing point, |
Critical temperature, |
Critical pressure, |
Critical volume, |
504 |
R-32/115 (48.2/51.8) |
- |
79.2 |
-57.2 |
- |
66.4 |
4758 |
2.023 |
600 |
Butane |
C4H10 |
58.13 |
-0.5 |
-138.5 |
152 |
3794 |
4.383 |
600a |
Isobutane |
C4H10 |
58.13 |
-11.73 |
-160 |
135 |
3645 |
4.526 |
610 |
Ethyl ether |
C4H10O |
74.12 |
34.6 |
-116.3 |
194 |
3603 |
3.79 |
611 |
Methyl formate |
C2H4O2 |
60.05 |
31.8 |
-99 |
214 |
5994 |
2.866 |
630 |
Methyl amine |
CH3NH2 |
31.06 |
-6.7 |
-92.5 |
156.9 |
7455 |
1.432 |
631 |
Ethyl amine |
C2H5NH2 |
45.08 |
16.6 |
-80.6 |
183 |
5619 |
- |
702n |
Hydrogen, normal |
H2 |
2.0159 |
-252.8 |
-259.2 |
-239.9 |
1315 |
33.21 |
702p |
Hydrogen, para |
H2 |
2.0159 |
-252.9 |
-259.3 |
-240.2 |
1292 |
31.82 |
704 |
Helium |
He |
4.0026 |
-268.9 |
None |
-267.9 |
228.8 |
14.43 |
717 |
Ammonia |
NH3 |
17.03 |
-33.3 |
-77.7 |
133 |
11417 |
4.245a |
718 |
Water |
H2O |
18.02 |
100 |
0 |
373.99 |
22064 |
3.11 |
720 |
Neon |
Ne |
20.183 |
-246.1 |
-248.6 |
-228.7 |
3397 |
2.07 |
728 |
Nitrogen |
N2 |
28.013 |
-198.8 |
-210 |
-146.9 |
3396 |
3.179 |
729 |
Air |
- |
28.97 |
-194.3 |
- |
-140.53 |
3785 |
3.31 |
- |
- |
- |
-140.6 |
3764 |
3.126 |
|||
Number |
Chemical name or Composition (% by mass) |
Chemical formula |
Molecular Mass |
Boiling Pt. (NBP) at 1 atm, |
Freezing point, |
Critical temperature, |
Critical pressure, |
Critical volume, |
732 |
Oxygen |
O2 |
31.9988 |
-182.962 |
-218.8 |
-118.569 |
5042.9 |
2.293 |
740 |
Argon |
Ar |
39.948 |
-185.86 |
-189.3 |
-122.49 |
4860 |
1.88 |
744 |
Carbon dioxide |
CO2 |
44.01 |
-78.4a |
-56.6b |
31.1 |
7372 |
2.135 |
744A |
Nitrous oxide |
N2O |
44.02 |
-89.5 |
-102 |
36.5 |
7221 |
2.216 |
764 |
Sulfurdioxide |
SO2 |
64.07 |
-10 |
-75.5 |
157.5 |
7875 |
1.910 |
1120 |
Trichloroethylene |
CHCI=CCI2 |
131.39 |
87.2 |
-73 |
271.1 |
5016 |
1.4782 |
1130 |
Dichloroethylene |
CHCI=CHCI |
96.95 |
47.8 |
-50 |
243.3 |
5478 |
- |
1150 |
Ethylene |
C2H4 |
28.05 |
-103.7 |
-169 |
9.3 |
5114 |
4.37 |
1270 |
Propylene |
C3H6 |
42.09 |
-47.7 |
-185 |
91.8 |
4618 |
4.495 |
Notes:
aThis material sublimes
bAt 527 kPa