R-1234yf

For R-1234yf, replaces is R-134a; trade name(s) is Opteon™ XL10; ashrae safety class is A2L; gwp is 4 (1), verified against its source on 2026-08-11.

What the source says

Opteon™ XP10 R-513A R-134a A1 631 (573) -21 Opteon™ XL10 R-1234yf R-134a A2L 4 (1) -21

— chemours.com, retrieved 2026-08-11

Source

• chemours.comhttps://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf

Last verified against source: 2026-08-11. Due for re-check by 2027-08-11. This page as Markdown · OKF bundle · full dataset as JSON.