
Ecofrost® 123 (R-123) is a single-component, liquid refrigerant used in new and existing centrifugal chillers. Ecofrost® 123 has one of the lowest OPD values of any HCFC and has a very low GWP. R-123 is going through a mandatory phase out, scheduled according to the Montreal Protocol.
Identity
CAS number
306-83-2
Chemical name
2,2-Dichloro, 1,1,1-trifluoroethane
Common name
R-123
Properties
- Average molecular weight : 152.9
- Boiling pt. @ 1 atm (°F) : 82.1
- Density of saturated vapor @ b.p. (lb/ft³) : 0.40
- Density of saturated liquid @ 77 °F (lb/ft³) : 91.29
- Critical temperature (°F) : 362.8
- Critical pressure (psia) : 532.9
- Latent heat of vaporization @ b.p. (BTU/lb) : 73.7
- Specific heat of liquid @ 77 °F (BTU/lb °F) : 0.23
- Specific heat of vapor @ 1 atm (BTU/lb °F) : 0.16
- Temperature glide (°F) : 0.0
- Flammable limits in air : non-flammable
- Ozone depletion potential (ODP, CFC 11 = 1.0) : 0.02
- Halocarbon greenhouse warming potential (HGWP, CFC 11 = 1.0) : 0.02
- ASHRAE safety group classification : B1
- Workplace environment exposure level (WEEL) (8 hr. time/wt. Avg.) : 10 ppm
- Global warming potential (GWP) AR5 : 79
Geographic availability
Asia-Pacific
Markets
- Air conditioning and refrigeration
- Air conditioning