R22 Thermodynamic properties

Saturation tables by temperature and by pressure, superheated vapor table, p–h and T–s diagrams and constants of R22 (CClF₂H), computed with CoolProp. Any other state of R22, from any two properties, in the State Explorer or the Worksheet.

Calculate a state of R22 Open it in the Worksheet

Constants

Formula: CClF₂H
CAS: 75-45-6
Molar mass: 86.468 g/mol
Normal boiling point (1 atm): -40.81 °C (232.34 K)
Critical temperature: 96.145 °C (369.3 K)
Critical pressure: 4.99 MPa
Critical density: 523.84 kg/m³
Triple point: -157.42 °C, 0.00037947 kPa
Acentric factor: 0.22082
Valid up to: 276.85 °C, 60 MPa

Saturation table

By temperature: saturated liquid (f) and saturated vapor (g).

Saturated R22, by temperature
T °C	Psat kPa	vf m³/kg	vg m³/kg	hf kJ/kg	hfg kJ/kg	hg kJ/kg	sf kJ/(kg·K)	sg kJ/(kg·K)
-140	0.012581	0.00059673	1017.7	48.224	292.07	340.29	0.22603	2.4195
-120	0.23328	0.00061587	63.104	69.473	279.95	349.42	0.37472	2.2027
-100	2.0102	0.00063641	8.266	90.705	268.26	358.97	0.50502	2.0543
-80	10.373	0.00065867	1.7782	111.94	256.84	368.77	0.62102	1.9508
-60	37.505	0.00068321	0.5368	133.27	245.33	378.59	0.726	1.877
-40	105.23	0.00071083	0.20521	154.89	233.24	388.13	0.82274	1.8231
-20	245.31	0.00074265	0.092681	177.04	220.02	397.06	0.91347	1.7826
0	497.99	0.00078032	0.047104	200	205.05	405.05	1	1.7507
20	910.02	0.00082651	0.025989	224.06	187.6	411.66	1.0838	1.7238
40	1533.6	0.00088611	0.015107	249.65	166.6	416.25	1.1665	1.6985
60	2427.5	0.00097052	0.0089613	277.61	139.94	417.55	1.2504	1.6705
80	3663.8	0.0011189	0.0051176	310.44	101.57	412.01	1.3423	1.6299

Saturation table by pressure

By pressure: saturated liquid (f) and saturated vapor (g).

Saturated R22, by pressure
P kPa	Tsat °C	vf m³/kg	vg m³/kg	hf kJ/kg	hfg kJ/kg	hg kJ/kg	sf kJ/(kg·K)	sg kJ/(kg·K)
1	-107.13	0.00062891	15.946	83.14	272.39	355.53	0.4604	2.1011
2	-100.05	0.00063635	8.3055	90.648	268.29	358.94	0.50468	2.0547
3	-95.577	0.00064117	5.6761	95.399	265.72	361.12	0.53178	2.0282
5	-89.532	0.00064782	3.517	101.81	262.27	364.08	0.5673	1.9956
10	-80.505	0.00065809	1.8399	111.4	257.13	368.53	0.61824	1.953
20	-70.361	0.00067017	0.96401	122.19	251.33	373.52	0.67281	1.9122
30	-63.819	0.00067832	0.66083	129.18	247.55	376.73	0.70667	1.8893
50	-54.834	0.00069001	0.41072	138.81	242.28	381.1	0.75168	1.8615
100	-41.091	0.00070922	0.21523	153.7	233.93	387.62	0.81763	1.8257
200	-25.177	0.00073393	0.11238	171.24	223.58	394.83	0.89046	1.7921
300	-14.654	0.00075206	0.07658	183.09	216.22	399.31	0.93695	1.7734
500	0.124	0.00078059	0.046921	200.15	204.95	405.09	1.0005	1.7505
1000	23.415	0.00083555	0.023621	228.3	184.31	412.61	1.098	1.7194
2000	51.273	0.00092932	0.011256	265.03	152.49	417.52	1.2134	1.6834
3000	70.042	0.0010315	0.0068417	293.17	122.92	416.08	1.2947	1.6529

Diagrams

p–h diagram of R22, with isotherms

T–s diagram of R22, with isobars

Superheated vapor table

At each pressure, from its saturated vapor (Sat.) to higher temperatures.

Superheated R22 at 50 kPa (Tsat -54.834 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.41072	360.56	381.1	1.8615
0	0.5202	388	414.01	1.9957
50	0.61808	415.88	446.79	2.1058
100	0.71523	446.52	482.28	2.2078
150	0.81203	479.74	520.35	2.3035
200	0.90864	515.32	560.75	2.3937
250	1.0051	552.99	603.24	2.479

Superheated R22 at 100 kPa (Tsat -41.091 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.21523	366.1	387.62	1.8257
0	0.2575	387.36	413.11	1.9267
50	0.30733	415.47	446.21	2.0379
100	0.35642	446.23	481.87	2.1404
150	0.40514	479.52	520.03	2.2363
200	0.45368	515.13	560.5	2.3267
250	0.50209	552.83	603.04	2.4121

Superheated R22 at 200 kPa (Tsat -25.177 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.11238	372.35	394.83	1.7921
0	0.12607	386.03	411.24	1.8551
50	0.15194	414.64	445.03	1.9686
100	0.177	445.64	481.04	2.0722
150	0.20169	479.07	519.41	2.1686
200	0.22619	514.77	560.01	2.2592
250	0.25056	552.53	602.64	2.3449

Superheated R22 at 500 kPa (Tsat 0.124 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.046921	381.63	405.09	1.7505
50	0.058614	412.02	441.33	1.8723
100	0.069321	443.82	478.48	1.9792
150	0.079613	477.69	517.5	2.0772
200	0.089693	513.67	558.51	2.1688
250	0.099649	551.61	601.43	2.255

Superheated R22 at 1 MPa (Tsat 23.415 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.023621	388.99	412.61	1.7194
50	0.027336	407.15	434.48	1.7901
100	0.033375	440.64	474.01	1.9038
150	0.038901	475.33	514.23	2.005
200	0.044188	511.79	555.98	2.0982
250	0.049342	550.06	599.4	2.1854

Superheated R22 at 2 MPa (Tsat 51.273 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.011256	395.01	417.52	1.6834
100	0.015282	433.5	464.07	1.8174
150	0.018507	470.33	507.35	1.9263
200	0.021423	507.93	550.77	2.0233
250	0.024186	546.9	595.27	2.1127

Enthalpy and entropy are measured from R22's own reference state (CoolProp's default). The textbooks' refrigerant tables use ASHRAE's: in the Worksheet, write reference ASHRAE.