Icon representing HFC R442A gas cylinder, for use on the web.

R442A (RS-50) R442A, also known as RS-50, is an HFC blend that is suitable for use in low and medium temperature refrigeration applications such as those used in commercial refrigeration. It can be used as a retrofit replacement for R22, R404A or R507 systems, including commercial and transport refrigeration. R442A has a low GWP, approximately half that of R404A or R507A, offering substantial environmental benefit.

Temperature Range

Retrofit Information

Replacement for: R404A, R507A
Retrofit gas or design for new equipment? Suitable as a "drop-in" retrofit replacement for R404A. Can be used as a retrofit in some R22 systems with an oil change.
Other alternatives / replacements: R407A, R407F
Compatible lubricants: POE

Environmental Impact

Ozone Depletion Potential (ODP) 0
Ozone Depletion Potential (Rating)
Global Warming Potential (GWP) 1888
Global Warming Potential (Rating)

Safety Information

ASHRAE Safety Group (2013) A1
ASHRAE Flammability No
ASHRAE Toxicity No

Supply Modes & Package Specifications

We offer this refrigerant gas in a range of package sizes to suit a wide range of applications. Typically, this will include both cylinders and drum tanks.

Product code Contents (kg) CO2e (kg) Valve type
Please contact your local Linde sales office for details.
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