Equilibrium phase diagram of Oxygen

Triple point for Oxygen ( 0.148 Pa , 0.144338 atm ) : -218.75 C  Celsius          54.4 K   Kelvin               -361.75 F   Fahrenheit
Critical point for Oxygen  (5.04 MPa , 49.84 atm )  :       -118.55 C Celsius              154.6 K   Kelvin                     -181.39 F   Fahrenheit

Equilibrium phase diagram of oxygen - Screen shot from CHEMIX School