R-123

dichlorotrifluoroethane

Being phased out

GWP: 77
ODP: 0.02
Class: B1
Family: HCFC
Boiling: 27.8 °C

Composition: HCFC-123, dichlorotrifluoroethane

For large low-pressure centrifugal chillers. Class B1 — higher toxicity. Being phased out.

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.

Industrial chillers. Higher toxicity — requires detection and ventilation.

Handling

Class B1. Higher toxicity, non-flammable. Industrial systems under specific conditions.

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