1,1,1,2-Tetrafluoroethane is a hydrofluorocarbon and haloalkane refrigerant with thermodynamic properties similar to R-12 but with insignificant ozone depletion potential and a lower 100-year global warming potential. From Wikipedia
The CHMP’s positive opinion sets the stage for final EU Commission approval to replace high-global-warming-potential propellant with Honeywell’s lower-carbon alternative throughout AstraZeneca’s regional supply