Thermodynamic Gas Center
R-290 (Propane) Datasheet
View pressure-temperature formulas, safety classifications, environmental impact coefficients (GWP/ODP), oil compatibility, leak checking, and retrofit instructions.
Formula
C3H8
Safety Class
A3 (Highly Flammable)
Global Warming (GWP)
3
Ozone Impact (ODP)
0
Interactive Saturation pressure calculator
Enter a custom system temperature to dynamically compute the refrigerant's bubble/dew pressure point using the Antoine equation model.
Saturated Temperature:25°C
−40°C0°C20°C40°C60°C
Saturation Vapor Pressure
9.38 Bar
Saturation Vapor Pressure
136.0 PSI
Pressure-Temperature Reference Sheet
| Temperature (°C) | Pressure (Bar) | Pressure (PSI) |
|---|---|---|
| -30°C | 1.67 bar | 24.2 psi |
| -15°C | 2.90 bar | 42.1 psi |
| 0°C | 4.71 bar | 68.3 psi |
| 15°C | 7.23 bar | 104.9 psi |
| 30°C | 10.60 bar | 153.8 psi |
| 45°C | 14.95 bar | 216.8 psi |
Compatible Lubricants & Charging
Compatible Oils
Mineral Oil (MO) or POE Oil
Charging Procedures
- •Highly flammable hydrocarbon. Max charge weight limit is strictly capped (typically 150g in India).
- •Charge in liquid or vapor phase in a well-ventilated space with no ignition sources.
Leak Checking & Eco Recovery
Leak Detection Methods
- •HC-compatible combustible gas sniffer
- •Soap bubble solution
Recovery & Recycling
- •Recover using specialized HC-safe machines or vent carefully in open outdoor air where permitted by local code.
Retrofitting & Gas Substitution Advice
Do not retrofit R-290 into systems not designed for hydrocarbons due to explosion risks.