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 |
74.87 |
-168 |
388.4 |
639.5 |
0.0289 |
12 |
Dichlorodifluoromethane |
CCl2F2 |
120.93 |
-21.62 |
-252 |
233.6 |
596.9 |
0.0287 |
13 |
Chlorotrifluoromethane |
CCIF3 |
104.47 |
-114.6 |
-294 |
83.9 |
561 |
0.0277 |
13B1 |
Bromotrifluoromethane |
CBrF3 |
148.93 |
-71.95 |
-270 |
152.6 |
575 |
0.0215 |
14 |
Tetrafluoromethane |
CF4 |
88.01 |
-198.3 |
-299 |
-50.2 |
543 |
0.0256 |
21 |
Dichlorofluoromethane |
CHCI2F |
102.92 |
47.8 |
-211 |
353.3 |
750 |
0.0307 |
22 |
Chlorodifluoromethane |
CHCIF2 |
86.48 |
-41.36 |
-256 |
204.8 |
721.9 |
0.0305 |
23 |
Trifluoromethane |
CHF3 |
70.02 |
-115.7 |
-247 |
78.1 |
701.4 |
0.0311 |
30 |
Methylene chloride |
CH2CI2 |
84.93 |
104.4 |
-142 |
458.6 |
882 |
|
32 |
Difluoromethane |
CH2F2 |
52.02 |
-61.1 |
-213 |
173.14 |
845.6 |
0.03726 |
40 |
Methyl chloride |
CH3CI |
50.49 |
-11.6 |
-144 |
289.6 |
968.7 |
0.0454 |
50 |
Methane |
CH4 |
16.04 |
-258.7 |
-296 |
-116.5 |
673.1 |
0.099 |
113 |
Trichlorotrifluoroethane |
CCI2FCCIF2 |
187.39 |
117.63 |
-31 |
417.4 |
498.9 |
0.0278 |
114 |
Dichlorotetrafluoroethane |
CCIF2CCIF2 |
170.94 |
38.8 |
-137 |
294.3 |
473 |
0.0275 |
115 |
Chloropentafluoroethane |
CCIF2CF3 |
154.48 |
-38.4 |
-159 |
175.9 |
457.6 |
0.0261 |
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 |
82.17 |
-160.87 |
362.82 |
532.87 |
|
124 |
Chlorotetrafluoroethane |
CHCIFCF3 |
136.47 |
8.26 |
-326.47 |
252.5 |
530.84 |
|
125 |
Pentafluoroethane |
C2HF5 |
120.03 |
-55.43 |
-153.67 |
151.34 |
526.57 |
|
134a |
Tetrafluoroethane |
CF3CH2F |
102.03 |
-15.08 |
-141.9 |
214 |
589.8 |
0.029 |
141b |
Dichlorofluoroethane |
CCI2FCH3 |
116.95 |
89.6 |
|
399.6 |
616.4 |
|
142b |
Chlorodifluoroethane |
CCIF2CH3 |
100.5 |
14.4 |
-204 |
278.8 |
598 |
0.0368 |
152a |
Difluoroethane |
CHF2CH3 |
66.05 |
-13 |
-178.6 |
236.3 |
652 |
0.0439 |
160 |
Ethyl chloride |
C2H5CI |
64.52 |
54.32 |
-216.9 |
369 |
764.4 |
0.0485 |
170 |
Ethane |
C2H6 |
30.07 |
-127.85 |
-297 |
90 |
709.8 |
0.083 |
216ca |
Dichlorohexafluoropropane |
C3CI2F6 |
220.93 |
96.24 |
-193.7 |
356 |
399.5 |
0.0279 |
290 |
Propane |
C3H8 |
44.1 |
-43.76 |
-305.8 |
206.1 |
616.1 |
0.0726 |
C318 |
Octafluorocyclobutane |
C4F8 |
200.04 |
21.5 |
-42.5 |
239.6 |
403.6 |
0.0258 |
500 |
R-12/152a (73.8/26.2) |
- |
99.31 |
-28.3 |
-254 |
221.9 |
641.9 |
0.0323 |
502 |
R-22/115 (48.8/51.2) |
- |
111.63 |
-49.8 |
|
179.9 |
591 |
0.0286 |
503 |
R-23/13 (40.1/59.9) |
- |
87.5 |
-127.6 |
|
67.1 |
607 |
0.0326 |
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 |
-71 |
|
151.5 |
690.5 |
0.0324 |
600 |
Butane |
C4H10 |
58.13 |
31.1 |
-217.3 |
305.6 |
550.7 |
0.0702 |
600a |
Isobutane |
C4H10 |
58.13 |
10.89 |
-255.5 |
275 |
529.1 |
0.0725 |
610 |
Ethyl ether |
C4H10O |
74.12 |
94.3 |
-177.3 |
381.2 |
523 |
0.0607 |
611 |
Methyl formate |
C2H4O2 |
60.05 |
89.2 |
-146 |
417.2 |
870 |
0.0459 |
630 |
Methyl amine |
CH3NH2 |
31.06 |
19.9 |
-134.5 |
314.4 |
1082 |
|
631 |
Ethyl amine |
C2H5NH2 |
45.08 |
61.88 |
-113 |
361.4 |
815.6 |
|
702n |
Hydrogen, normal |
H2 |
2.0159 |
-423 |
-434.5 |
-399.9 |
190.8 |
0.532 |
702p |
Hydrogen, para |
H2 |
2.0159 |
-423.2 |
-434.8 |
-400.3 |
187.5 |
0.5097 |
704 |
Helium |
He |
4.0026 |
-452.1 |
None |
-450.3 |
33.21 |
0.2311 |
717 |
Ammonia |
NH3 |
17.03 |
-28 |
-107.9 |
271.4 |
1657 |
0.068 |
718 |
Water |
H2O |
18.02 |
212 |
32 |
705.18 |
3200 |
0.0498 |
720 |
Neon |
Ne |
20.183 |
-410.9 |
-415.5 |
-379.7 |
493.1 |
0.03316 |
728 |
Nitrogen |
N2 |
28.013 |
-320.4 |
-346 |
-232.4 |
492.9 |
0.05092 |
729 |
Air |
|
28.97 |
-317.8 |
|
-220.95 |
548.9 |
0.0530 |
|
|
-221.1 |
546.3 |
0.05007 |
||||
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 |
-297.33 |
-361.8 |
-181.424 |
731.4 |
0.03673 |
740 |
Argon |
Ar |
39.948 |
-302.55 |
-308.7 |
-188.48 |
704.9 |
0.0301 |
744 |
Carbon dioxide |
CO2 |
44.01 |
-109.2a |
-69.9b |
87.9 |
1070 |
0.0342 |
744A |
Nitrous oxide |
N2O |
44.02 |
-129.1 |
-152 |
97.7 |
1048 |
0.0355 |
764 |
Sulfurdioxide |
SO2 |
64.07 |
14 |
-103.9 |
315.5 |
1143 |
0.0306 |
1120 |
Trichloroethylene |
CHCI=CCI2 |
131.39 |
189 |
-99 |
520 |
728 |
|
1130 |
Dichloroethylene |
CHCI=CHCI |
96.95 |
118 |
-58 |
470 |
795 |
|
1150 |
Ethylene |
C2H4 |
28.05 |
-154.7 |
-272 |
48.8 |
742.2 |
0.07 |
1270 |
Propylene |
C3H6 |
42.09 |
-53.86 |
-301 |
197.2 |
670.3 |
0.072 |
Notes:
aThis material sublimes
bAt 76.4 psia