Home › R-170 (Ethane)

R-170 (Ethane) PT Chart

A3 GWP 6

Ethane (C₂H₆). Natural / HC.

Boiling Point

-127.4°F

-88.6°C

Critical Temp

89.9°F

32.2°C

Critical Pressure

706.7 psia

48.72 bar

R-170 (Ethane) Pressure-Temperature Graph

R-170 (Ethane) Saturation Pressure Table

Blue values indicate vacuum (below atmospheric pressure).

°F	°C	PSIG	PSIA	kPa	bar
-80	-62.2	35.6	50.27	346.6	3.466
-75	-59.4	41.5	56.15	387.1	3.871
-70	-56.7	47.8	62.53	431.1	4.311
-65	-53.9	54.7	69.44	478.7	4.787
-60	-51.1	62.2	76.89	530.2	5.302
-55	-48.3	70.2	84.93	585.6	5.856
-50	-45.6	78.9	93.56	645.1	6.451
-45	-42.8	88.1	102.83	709.0	7.09
-40	-40.0	98.1	112.76	777.4	7.774
-35	-37.2	108.7	123.37	850.6	8.506
-30	-34.4	120.0	134.69	928.7	9.287
-25	-31.7	132.1	146.76	1011.9	10.119
-20	-28.9	144.9	159.59	1100.3	11.003
-15	-26.1	158.5	173.23	1194.3	11.943
-10	-23.3	173.0	187.69	1294.1	12.941
-5	-20.6	188.3	203.01	1399.7	13.997
0	-17.8	204.5	219.22	1511.4	15.114
5	-15.0	221.7	236.35	1629.5	16.295
10	-12.2	239.7	254.43	1754.2	17.542
15	-9.4	258.8	273.5	1885.7	18.857
20	-6.7	278.9	293.58	2024.2	20.242
25	-3.9	300.0	314.72	2169.9	21.699
30	-1.1	322.3	336.96	2323.2	23.232
35	1.7	345.6	360.32	2484.3	24.843
40	4.4	370.2	384.86	2653.5	26.535
45	7.2	395.9	410.61	2831.0	28.31
50	10.0	422.9	437.61	3017.2	30.172
55	12.8	451.2	465.94	3212.5	32.125
60	15.6	480.9	495.62	3417.2	34.172
65	18.3	512.0	526.75	3631.8	36.318
70	21.1	544.7	559.37	3856.7	38.567
75	23.9	578.9	593.6	4092.7	40.927
80	26.7	614.8	629.53	4340.5	43.405

Properties

ASHRAE Designation	170
Safety Classification	A3
GWP (AR5)	6
ODP	0
Molecular Weight	30.07 g/mol
Boiling Point (1 atm)	-127.4°F / -88.6°C
Critical Temperature	89.9°F / 32.2°C
Critical Pressure	706.7 psia / 48.72 bar
Category	Natural / HC

Common Applications

Ultra-low temperature
Cascade systems