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R421A GWP: global warming potential (AR4, AR5)

R421A has a 100-year global warming potential (GWP) of 2,631 under AR4, 2,385 under AR5, and 2,833 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.

R421A: global warming potential by report and horizon, in kg CO₂e per kg
ReportHorizonGWPPrinted by
AR4100 years2,631UNEP
AR5100 years2,385DESNZ
WMO 202220 years5,643UNEP
WMO 2022100 years2,833UNEP

Composition

R421A is a blend. Shares by mass as UNEP states them.

ComponentShare by mass
R12558%
R134a42%

Who publishes it

Every open record of R421A this page reads, with the figures it prints.

PublisherRecordRegionFiguresFactor page
DESNZBlends - R421AUnited KingdomAR5 100 years: 2,385
UNEPR-421A - R-125/134a (58.0/42.0)WorldAR4 100 years: 2,631 · WMO 2022 20 years: 5,643 · WMO 2022 100 years: 2,833

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

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