Genetron® AZ-50 (R-507A)

Replacement for R-22 or R-502 and is the only azeotrope retrofit option suitable for flooded system conversions. Use for low and medium temperature refrigeration systems.
Download TDS (396 KB) | Download MSDS

General Information

Item Specification
ASHRAE # R-507A
Class HFC
Refrigerant Type Blend
Typical Lubricant POE
Replaces R-22, R-502
Notes Slightly higher pressures and efficiency than R-404A. Best choice for systems with flooded evaporators. EPA SNAP approved and UL Classified.

Physical Properties

Property Value
Molecular Weight 98.9
Boiling Point at 1atm (101.3 kPA) -52.1
Chemical Name Pentafluoroethane, Trifluoroethane
Chemical Notation CF3CHF2, CF3CH3 (50% R-125 / 50% R-43a)
Critical Temperature (°C) 70.62
Critical Pressure (bar) 537.37
Liquid Density (kg/m³) 0°C 1047.9
ANSIASHRAE Standard 36-1992 Safety Group Classification A1
Relative Molar Mass (g/mol) 98.86
Vapour Density (kg/m³) 25°C 68.89
GWP 3985
ODP Non-ozone depleting
REACH Approved
ATEL/ODL (kg/m³) 0.530
Practical Limit (kg/m³) 0.530
AIT (°C) ND
Download TDS (396 KB) | Download MSDS