R419B GWP: global warming potential (AR4, AR5)

R419B has a 100-year global warming potential (GWP) of 2,384 under AR4, 2,161 under AR5, and 2,558 under WMO 2022.

A GWP is counted in kilograms of CO₂ equivalent (kg CO₂e) per kilogram of gas released.

GWP by IPCC report and horizon

One row per figure. When publishers print different figures under one report, each figure gets its own row.

R419B: global warming potential by report and horizon, in kg CO₂e per kg
Report	Horizon	GWP	Printed by
AR4	100 years	2,384	UNEP
AR5	100 years	2,161	DESNZ
WMO 2022	20 years	5,242	UNEP
WMO 2022	100 years	2,558	UNEP

Every open record of R419B this page reads, with the figures it prints.

Publisher	Record	Region	Figures	Factor page
DESNZ	Blends - R419B	United Kingdom	AR5 100 years: 2,161
UNEP	R-419B - R-125/134a/E170 (48.5/48.0/3.5)	World	AR4 100 years: 2,384 · WMO 2022 20 years: 5,242 · WMO 2022 100 years: 2,558

Source: the open records of the open-climate.ai catalogue, version 1590.