Home R-404A

R-404A PT Chart

A1 GWP 3922

Zeotropic blend (R-125/R-143a/R-134a). HFC Blend.

Phase-down (high GWP)

Boiling Point
-51.2°F
-46.2°C
Critical Temp
161.8°F
72.1°C
Critical Pressure
541.7 psia
37.35 bar

R-404A Pressure-Temperature Graph

R-404A Saturation Pressure Table

Blue values indicate vacuum (below atmospheric pressure).

°F °C PSIG PSIA kPa bar
-80-62.2-8.36.3743.90.439
-75-59.4-7.37.4451.30.513
-70-56.7-6.08.6659.70.597
-65-53.9-4.710.0269.10.691
-60-51.1-3.111.5679.70.797
-55-48.3-1.413.2791.50.915
-50-45.60.515.17104.61.046
-45-42.82.617.28119.21.192
-40-40.04.919.62135.31.353
-35-37.27.522.2153.11.531
-30-34.410.325.03172.61.726
-25-31.713.428.14194.01.94
-20-28.916.831.53217.42.174
-15-26.120.535.23242.92.429
-10-23.324.639.26270.72.707
-5-20.628.943.63300.83.008
0-17.833.748.36333.43.334
5-15.038.853.47368.63.686
10-12.244.358.98406.64.066
15-9.450.264.91447.54.475
20-6.756.671.28491.54.915
25-3.963.478.12538.65.386
30-1.170.785.43589.05.89
351.778.693.25643.06.43
404.486.9101.6700.57.005
457.295.8110.49761.87.618
5010.0105.3119.96827.18.271
5512.8115.3130.02896.48.964
6015.6126.0140.7970.19.701
6518.3137.3152.021048.110.481
7021.1149.3164.011130.811.308
7523.9162.0176.691218.212.182
8026.7175.4190.091310.613.106
8529.4189.5204.241408.214.082
9032.2204.5219.171511.115.111
9535.0220.2234.91619.616.196
10037.8236.8251.471733.817.338
10540.6254.2268.911854.118.541
11043.3272.6287.251980.519.805
11546.1291.8306.532113.421.134
12048.9312.1326.782253.122.531
12551.7333.4348.052399.723.997
13054.4355.7370.382553.725.537
13557.2379.1393.822715.327.153
14060.0403.7418.432885.028.85
14562.8429.6444.293063.230.632
15065.6456.8471.473250.732.507
15568.3485.4500.113448.234.482

Properties

ASHRAE Designation404A
Safety ClassificationA1 (non-flammable, low toxicity)
GWP (AR5)3922
ODP0
Molecular Weight97.6 g/mol
Boiling Point (1 atm)-51.2°F / -46.2°C
Critical Temperature161.8°F / 72.1°C
Critical Pressure541.7 psia / 37.35 bar
CategoryHFC Blend

Common Applications