R290 (Propane)

R290 cylinder


[Chemical Formula]C3H8



Molar mass 44.096
Boiling point (1 atm), °C -42.09
Melting point (1 atm), °C -187.6
Gas density(25 °C), kg/m3 1.83
liquidDensity, 25°C(g/cm?3?) 507.7
Critical pressure, MPa 4.25
Critical density g/cm3 0.468
Critical temperature °C 96.67
Solubility(in water), g/cm3?(37.8 °C) 0.1
Vapor pressure(25°C)MPA 0.475
GWP(GWP100) 20
ASHRAE safety level A3



Determination Specification
Appearance Colourless and not turbid
Purity, % ≥99.5
Moisturemg/kg ≤10.0
Acidity(HCl), mg/kg ≤1.0
Evaporation residue mg/kg ≤100.0
S content(wt ppm) ≤1.0

[Usage] R290 is also called HC-290, Freon 290, Propane. R290 is mainly used to replace R22 and R502 in low temperature equipments. But thanks to flammable, R290 is usually used in small quantity low temperature equipments or mixed with other refrigerants in low temperature equipments.

[packing] R290 is mainly filled in 5kg/cylinder, 50kg/cylinder and small Cans.