Annex II - Fluorinated greenhouse gases referred to in Article 2, point (a) (9) – unsaturated hydro(chloro)fluorocarbons, fluorinated substances used as inhalation anaesthetics and other fluorinated substances

Substance

GWP (¹)

20 years-GWP (¹) for information purposes only

Common name/industrial designation

Chemical formula

Section 1: Unsaturated hydro(chloro)fluorocarbons

HCFC-1224yd

CF₃CF=CHCl

0,06 (²)

(^*1)

Trans-1,2 -difluoroethylene (HFC-1132) and isomers

CHF=CHF

>1

(^*1)

1,1-difluoroethylene (HFC-1132a)

CH₂=CF₂

0,052

0,189

1,1,1,2,3,4,5,5,5(or1,1,1,3,4,4,5,5,5)-nonafluoro-4(or2)-(trifluoromethyl)pent-2-ene

CF₃CF=CFCFCF₃CF₃ or CF₃CF₃C=CFCF₂CF₃

1 (³)

(^*1)

HFC-1234yf

CF₃CF = CH₂

0,501

1,81

HFC-1234ze and isomers

CHF = CHCF₃

1,37

4,94

HFC-1336mzz(E)

(E)-CF₃CH = CHCF₃

17,9

64,3

HFC-1336mzz(Z)

(Z)-CF₃CH = CHCF₃

2,08

7,48

HCFC-1233zd and isomers

CF₃CH = CHCl

3,88

14

HCFC-1233xf

CF₃CCl = CH₂

1 (³)

(^*1)

Section 2: fluorinated substances used as inhalation anaesthetics

HFE-347mmz1 (sevoflurane) and isomers

(CF₃)₂CHOCH₂F

195

702

HCFE-235ca2 (enflurane) and isomers

CHF₂OCF₂CHFCl

654

2 320

HCFE-235da2 (isoflurane) and isomers

CHF₂OCHClCF₃

539

1 930

HFE-236ea2 (desflurane) and isomers

CHF₂OCHFCF₃

2 590

7 020

Section 3: other fluorinated substances

nitrogen trifluoride

NF₃

17 400

13 400

sulfuryl fluoride

SO₂F₂

4 630

7 510

(¹) Based on the Sixth Assessment Report adopted by the Intergovernmental Panel on Climate Change, unless otherwise indicated. (²) Tokuhashi, K., T. Uchimaru, K. Takizawa, & S. Kondo (2018): Rate Constants for the Reactions of OH Radical with the (E)/(Z) Isomers of CF₃CF=CHCl and CHF₂CF=CHCl. The Journal of Physical Chemistry A 122:3120–3127. (^*1) Global warming potential not yet available. (³) Default value, global warming potential not yet available.