R-124

chlorotetrafluoroethane

Being phased out

GWP: 609
ODP: 0.02
Class: A1
Family: HCFC
Boiling: -12.0 °C

Composition: HCFC-124, chlorotetrafluoroethane

A component of some transitional blends. Being phased out along with the other HCFCs.

What this means for you

This refrigerant is being phased out. Availability is shrinking and the price is rising. If you operate equipment using it, it is worth planning the transition rather than waiting for a failure.

Listed as class B1 in the manual; ASHRAE 34 classifies it as A1. To be verified before publication.

Handling

Class A1. Low toxicity, non-flammable. The widest application, without special restrictions.

Where to go next

What the law requires Find a licensed technician

Data source: Referenced in the Manual §2.4.3, §2.4.5, §2.5.1 · values from the Montreal Protocol (Annexes A and C) and AR4 — to be confirmed