Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 98, Subpt. A, Tbl. A-1 Table A–1 to Subpart A of Part 98—Global Warming Potentials

Chemical-Specific GWPs

Carbon dioxide

124-38-9

CO₂

1

Methane

74-82-8

CH₄

^a 25

Nitrous oxide

10024-97-2

N₂O

^a 298

Fully Fluorinated GHGs

Sulfur hexafluoride

2551-62-4

SF₆

^a 22,800

Trifluoromethyl sulphur pentafluoride

373-80-8

SF₅CF₃

17,700

Nitrogen trifluoride

7783-54-2

NF₃

17,200

PFC-14 (Perfluoromethane)

75-73-0

CF₄

^a 7,390

PFC-116 (Perfluoroethane)

76-16-4

C₂F₆

^a 12,200

PFC-218 (Perfluoropropane)

76-19-7

C₃F₈

^a 8,830

Perfluorocyclopropane

931-91-9

C-C_3F6

17,340

PFC-3-1-10 (Perfluorobutane)

355-25-9

C₄F₁₀

^a 8,860

PFC-318 (Perfluorocyclobutane)

115-25-3

C-C₄F₈

^a 10,300

PFC-4-1-12 (Perfluoropentane)

678-26-2

C₅F₁₂

^a 9,160

PFC-5-1-14 (Perfluorohexane, FC-72)

355-42-0

C₆F₁₄

^a 9,300

PFC-6-1-12

335-57-9

C₇F₁₆; CF₃(CF₂)₅CF₃

^b 7,820

PFC-7-1-18

307-34-6

C₈F₁₈;CF₃(CF₂)₆CF₃

^b 7,620

PFC-9-1-18

306-94-5

C₁₀F₁₈

7,500

PFPMIE (HT-70)

NA

CF₃OCF(CF₃)CF₂OCF₂OCF₃

10,300

Perfluorodecalin (cis)

60433-11-6

Z-C₁₀F₁₈

^b 7,236

Perfluorodecalin (trans)

60433-12-7

E-C₁₀F₁₈

^b 6,288

Saturated Hydrofluorocarbons (HFCs) With Two or Fewer Carbon-Hydrogen Bonds

HFC-23

75-46-7

CHF₃

^a 14,800

HFC-32

75-10-5

CH_2F2

^a 675

HFC-125

354-33-6

C_2HF5

^a 3,500

HFC-134

359-35-3

C₂H₂F₄

^a  1,100

HFC-134a

811-97-2

CH_2FCF3

^a 1,430

HFC-227ca

2252-84-8

CF₃CF₂CHF₂

^b 2640

HFC-227ea

431-89-0

C₃HF₇

^a 3,220

HFC-236cb

677-56-5

CH₂FCF₂CF3

1,340

HFC-236ea

431-63-0

CHF₂CHFCF₃

1,370

HFC-236fa

690-39-1

C₃H₂F₆

^a 9,810

HFC-329p

375-17-7

CHF₂CF₂CF₂CF₃

^b 2360

HFC-43-10mee

138495-42-8

CF₃CFHCFHCF₂CF₃

^a 1,640

Saturated Hydrofluorocarbons (HFCs) With Three or More Carbon-Hydrogen Bonds

HFC-41

593-53-3

CH₃F

^a  92

HFC-143

430-66-0

C₂H₃F₃

^a 353

HFC-143a

420-46-2

C₂H₃F₃

^a 4,470

HFC-152

624-72-6

CH₂FCH₂F

53

HFC-152a

75-37-6

CH₃CHF₂

^a 124

HFC-161

353-36-6

CH₃CH₂F

12

HFC-245ca

679-86-7

C₃H₃F₅

^a 693

HFC-245cb

1814-88-6

CF₃CF₂CH₃

^b 4620

HFC-245ea

24270-66-4

CHF₂CHFCHF₂

^b 235

HFC-245eb

431-31-2

CH₂FCHFCF₃

^b 290

HFC-245fa

460-73-1

CHF₂CH₂CF₃

1,030

HFC-263fb

421-07-8

CH₃CH₂CF₃

^b 76

HFC-272ca

420-45-1

CH₃CF₂CH₃

^b 144

HFC-365mfc

406-58-6

CH₃CF₂CH₂CF₃

794

Saturated Hydrofluoroethers (HFEs) and Hydrochlorofluoroethers (HCFEs) With One Carbon-Hydrogen Bond

HFE-125

3822-68-2

CHF₂OCF₃

14,900

HFE-227ea

2356-62-9

CF₃CHFOCF₃

1,540

HFE-329mcc2

134769-21-4

CF₃CF₂OCF₂CHF₂

919

HFE-329me3

428454-68-6

CF₃CFHCF₂OCF₃

^b 4,550

1,1,1,2,2,3,3-Heptafluoro-3-(1,2,2,2-tetrafluoroethoxy)-propane

3330-15-2

CF₃CF₂CF₂OCHFCF₃

^b 6,490

Saturated HFEs and HCFEs With Two Carbon-Hydrogen Bonds

HFE-134 (HG-00)

1691-17-4

CHF₂OCHF₂

6,320

HFE-236ca

32778-11-3

CHF₂OCF₂CHF₂

^b 4,240

HFE-236ca12 (HG-10)

78522-47-1

CHF₂OCF₂OCHF₂

2,800

HFE-236ea2 (Desflurane)

57041-67-5

CHF₂OCHFCF₃

989

HFE-236fa

20193-67-3

CF₃CH₂OCF₃

487

HFE-338mcf2

156053-88-2

CF₃CF₂OCH₂CF₃

552

HFE-338mmz1

26103-08-2

CHF₂OCH(CF₃)₂

380

HFE-338pcc13 (HG-01)

188690-78-0

CHF₂OCF₂CF₂OCHF₂

1,500

HFE-43-10pccc (H-Galden 1040x, HG-11)

E1730133

CHF₂OCF₂OC₂F₄OCHF₂

1,870

HCFE-235ca2 (Enflurane)

13838-16-9

CHF₂OCF₂CHFCl

^b 583

HCFE-235da2 (Isoflurane)

26675-46-7

CHF₂OCHClCF₃

350

HG-02

205367-61-9

HF₂C-(OCF₂CF₂)₂-OCF₂H

^b 3,825

HG-03

173350-37-3

HF₂C-(OCF₂CF₂₎3-OCF₂H

^b 3,670

HG-20

249932-25-0

HF₂C-(OCF₂)₂-OCF₂H

^b 5,300

HG-21

249932-26-1

HF₂C-OCF₂CF₂OCF₂OCF_2O-CF2H

^b 3,890

HG-30

188690-77-9

HF₂C-(OCF₂)₃-OCF₂H

^b 7,330

1,1,3,3,4,4,6,6,7,7,9,9,10,10,12,12,13,13,15,15-eicosafluoro-2,5,8,11,14-Pentaoxapentadecane

173350-38-4

HCF₂O(CF₂CF₂O)₄CF₂H

^b 3,630

1,1,2-Trifluoro-2-(trifluoromethoxy)-ethane

84011-06-3

CHF₂CHFOCF₃

^b 1,240

Trifluoro(fluoromethoxy)methane

2261-01-0

CH₂FOCF₃

^b 751

Saturated HFEs and HCFEs With Three or More Carbon-Hydrogen Bonds

HFE-143a

421-14-7

CH₃OCF₃

756

HFE-245cb2

22410-44-2

CH₃OCF₂CF₃

708

HFE-245fa1

84011-15-4

CHF₂CH₂OCF₃

286

HFE-245fa2

1885-48-9

CHF₂OCH₂CF₃

659

HFE-254cb2

425-88-7

CH₃OCF₂CHF₂

359

HFE-263fb2

460-43-5

CF₃CH₂OCH₃

11

HFE-263m1; R-E-143a

690-22-2

CF₃OCH₂CH₃

^b 29

HFE-347mcc3 (HFE-7000)

375-03-1

CH₃OCF₂CF₂CF₃

575

HFE-347mcf2

171182-95-9

CF₃CF₂OCH₂CHF₂

374

HFE-347mmy1

22052-84-2

CH₃OCF(CF₃)₂

343

HFE-347mmz1 (Sevoflurane)

28523-86-6

(CF₃)₂CHOCH₂F

^c 216

HFE-347pcf2

406-78-0

CHF₂CF₂OCH₂CF₃

580

HFE-356mec3

382-34-3

CH₃OCF₂CHFCF₃

101

HFE-356mff2

333-36-8

CF₃CH₂OCH₂CF₃

^b 17

HFE-356mmz1

13171-18-1

(CF₃)₂CHOCH₃

27

HFE-356pcc3

160620-20-2

CH₃OCF₂CF₂CHF₂

110

HFE-356pcf2

50807-77-7

CHF₂CH₂OCF₂CHF₂

265

HFE-356pcf3

35042-99-0

CHF₂OCH₂CF₂CHF₂

502

HFE-365mcf2

22052-81-9

CF₃CF₂OCH₂CH₃

^b 58

HFE-365mcf3

378-16-5

CF₃CF₂CH₂OCH₃

11

HFE-374pc2

512-51-6

CH₃CH₂OCF₂CHF₂

557

HFE-449s1 (HFE-7100) Chemical blend

163702-07-6

C₄F₉OCH₃

297

163702-08-7

(CF₃)₂CFCF₂OCH₃

HFE-569sf2 (HFE-7200) Chemical blend

163702-05-4

C₄F₉OC₂H₅

59

163702-06-5

(CF₃)₂CFCF₂OC₂H₅

HG'-01

73287-23-7

CH₃OCF₂CF₂OCH₃

^b 222

HG'-02

485399-46-0

CH₃O(CF₂CF₂O)₂CH₃

^b 236

HG'-03

485399-48-2

CH₃O(CF₂CF₂O)₃CH3

^b 221

Difluoro(methoxy)methane

359-15-9

CH₃OCHF₂

^b 144

2-Chloro-1,1,2-trifluoro-1-methoxyethane

425-87-6

CH₃OCF₂CHFCl

^b 122

1-Ethoxy-1,1,2,2,3,3,3-heptafluoropropane

22052-86-4

CF₃CF₂CF₂OCH₂CH₃

^b 61

2-Ethoxy-3,3,4,4,5-pentafluorotetrahydro-2,5-bis[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]-furan

920979-28-8

C₁₂H₅F19O2

^b 56

1-Ethoxy-1,1,2,3,3,3-hexafluoropropane

380-34-7

CF₃CHFCF₂OCH₂CH₃

^b 23

Fluoro(methoxy)methane

460-22-0

CH₃OCH₂F

^b 13

1,1,2,2-Tetrafluoro-3-methoxy-propane; Methyl 2,2,3,3-tetrafluoropropyl ether

60598-17-6

CHF₂CF₂CH₂OCH₃

^b 0.5

1,1,2,2-Tetrafluoro-1-(fluoromethoxy)ethane

37031-31-5

CH₂FOCF₂CF₂H

^b 871

Difluoro(fluoromethoxy)methane

461-63-2

CH₂FOCHF₂

^b 617

Fluoro(fluoromethoxy)methane

462-51-1

CH₂FOCH₂F

^b 130

Fluorinated Formates

Trifluoromethyl formate

85358-65-2

HCOOCF₃

^b 588

Perfluoroethyl formate

313064-40-3

HCOOCF₂CF₃

^b 580

1,2,2,2-Tetrafluoroethyl formate

481631-19-0

HCOOCHFCF₃

^b 470

Perfluorobutyl formate

197218-56-7

HCOOCF₂CF₂CF₂CF₃

^b 392

Perfluoropropyl formate

271257-42-2

HCOOCF₂CF₂CF₃

^b 376

1,1,1,3,3,3-Hexafluoropropan-2-yl formate

856766-70-6

HCOOCH(CF₃)₂

^b 333

2,2,2-Trifluoroethyl formate

32042-38-9

HCOOCH₂CF₃

^b 33

3,3,3-Trifluoropropyl formate

1344118-09-7

HCOOCH₂CH₂CF₃

^b 17

Fluorinated Acetates

Methyl 2,2,2-trifluoroacetate

431-47-0

CF₃COOCH₃

^b 52

1,1-Difluoroethyl 2,2,2-trifluoroacetate

1344118-13-3

CF₃COOCF₂CH₃

^b 31

Difluoromethyl 2,2,2-trifluoroacetate

2024-86-4

CF₃COOCHF₂

^b 27

2,2,2-Trifluoroethyl 2,2,2-trifluoroacetate

407-38-5

CF₃COOCH₂CF₃

^b 7

Methyl 2,2-difluoroacetate

433-53-4

HCF₂COOCH₃

^b 3

Perfluoroethyl acetate

343269-97-6

CH₃COOCF₂CF₃

^b 2.1

Trifluoromethyl acetate

74123-20-9

CH₃COOCF₃

^b 2.0

Perfluoropropyl acetate

1344118-10-0

CH₃COOCF₂CF₂CF₃

^b 1.8

Perfluorobutyl acetate

209597-28-4

CH₃COOCF₂CF₂CF₂CF₃

^b 1.6

Ethyl 2,2,2-trifluoroacetate

383-63-1

CF₃COOCH₂CH₃

^b 1.3

Carbonofluoridates

Methyl carbonofluoridate

1538-06-3

FCOOCH₃

^b 95

1,1-Difluoroethyl carbonofluoridate

1344118-11-1

FCOOCF₂CH₃

^b 27

Fluorinated Alcohols Other Than Fluorotelomer Alcohols

Bis(trifluoromethyl)-methanol

920-66-1

(CF₃)₂CHOH

195

(Octafluorotetramethy-lene) hydroxymethyl group

NA

X-(CF₂)₄CH(OH)-X

73

2,2,3,3,3-Pentafluoropropanol

422-05-9

CF₃CF₂CH₂OH

42

2,2,3,3,4,4,4-Heptafluorobutan-1-ol

375-01-9

C₃F₇CH₂OH

^b 25

2,2,2-Trifluoroethanol

75-89-8

CF₃CH₂OH

^b 20

2,2,3,4,4,4-Hexafluoro-1-butanol

382-31-0

CF₃CHFCF₂CH₂OH

^b 17

2,2,3,3-Tetrafluoro-1-propanol

76-37-9

CHF₂CF₂CH₂OH

^b 13

2,2-Difluoroethanol

359-13-7

CHF₂CH₂OH

^b 3

2-Fluoroethanol

371-62-0

CH₂FCH₂OH

^b 1.1

4,4,4-Trifluorobutan-1-ol

461-18-7

CF₃(CH₂)₂CH₂OH

^b 0.05

Unsaturated Perfluorocarbons (PFCs)

PFC-1114; TFE

116-14-3

CF₂=CF₂; C₂F₄

^b 0.004

PFC-1216; Dyneon HFP

116-15-4

C₃F₆;CF₃CF=CF₂

^b 0.05

PFC C-1418

559-40-0

c-C₅F₈

^b 1.97

Perfluorobut-2-ene

360-89-4

CF₃CF=CFCF₃

^b 1.82

Perfluorobut-1-ene

357-26-6

CF₃CF₂CF=CF₂

^b 0.10

Perfluorobuta-1,3-diene

685-63-2

CF₂=CFCF=CF₂

^b 0.003

Unsaturated Hydrofluorocarbons (HFCs) and Hydrochlorofluorocarbons (HCFCs)

HFC-1132a; VF2

75-38-7

C₂H₂F₂, CF₂=CH₂

^b 0.04

HFC-1141; VF

75-02-5

C₂H₃F, CH₂ =CHF

^b 0.02

(E)-HFC-1225ye

5595-10-8

CF₃CF=CHF(E)

^b 0.06

(Z)-HFC-1225ye

5528-43-8

CF₃CF=CHF(Z)

^b 0.22

Solstice 1233zd(E)

102687-65-0

C₃H₂ClF₃; CHCl=CHCF₃

^b 1.34

HFC-1234yf; HFO-1234yf

754-12-1

C₃H₂F₄; CF₃CF=CH₂

^b 0.31

HFC-1234ze(E)

1645-83-6

C₃H₂F₄; trans-CF₃CH=CHF

^b 0.97

HFC-1234ze(Z)

29118-25-0

C₃H₂F₄cis-CF₃CH=CHF; CF₃CH=CHF

^b 0.29

HFC-1243zf; TFP

677-21-4

C₃H₃F₃, CF₃CH=CH₂

^b 0.12

(Z)-HFC-1336

692-49-9

CF₃CH=CHCF₃(Z)

^b 1.58

HFC-1345zfc

374-27-6

C₂F₅CH=CH₂

^b 0.09

Capstone 42-U

19430-93-4

C₆H₃F₉, CF₃(CF₂)₃CH=CH₂

^b 0.16

Capstone 62-U

25291-17-2

C8H₃F₁₃, CF₃(CF₂)₅CH=CH₂

^b 0.11

Capstone 82-U

21652-58-4

C₁₀H₃F₁₇, CF₃(CF₂)₇CH=CH₂

^b 0.09

Unsaturated Halogenated Ethers

PMVE; HFE-216

1187-93-5

CF₃OCF=CF₂

^b 0.17

Fluoroxene

406-90-6

CF₃CH₂OCH=CH₂

^b 0.05

Fluorinated Aldehydes

3,3,3-Trifluoro-propanal

460-40-2

CF₃CH₂CHO

^b 0.01

Fluorinated Ketones

Novec 1230 (perfluoro (2-methyl-3-pentanone))

756-13-8

CF₃CF₂C(O)CF (CF₃)₂

^b 0.1

Fluorotelomer Alcohols

3,3,4,4,5,5,6,6,7,7,7-Undecafluoroheptan-1-ol

185689-57-0

CF₃(CF₂)₄CH₂CH₂OH

^b 0.43

3,3,3-Trifluoropropan-1-ol

2240-88-2

CF₃CH₂CH₂OH

^b 0.35

3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Pentadecafluorononan-1-ol

755-02-2

CF₃(CF₂)₆CH₂CH₂OH

^b 0.33

3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Nonadecafluoroundecan-1-ol

87017-97-8

CF₃(CF₂)₈CH₂CH₂OH

^b 0.19

Fluorinated GHGs With Carbon-Iodine Bond(s)

Trifluoroiodomethane

2314-97-8

CF₃I

^b 0.4

Other Fluorinated Compounds

Dibromodifluoromethane (Halon 1202)

75-61-6

CBR2F₂

^b 231

2-Bromo-2-chloro-1,1,1-trifluoroethane (Halon-2311/Halothane)

151-67-7

CHBrClCF₃

^b 41

Default GWPs for Compounds for Which Chemical-Specific GWPs Are Not Listed Above

Fully fluorinated GHGs

10,000

Saturated hydrofluorocarbons (HFCs) with 2 or fewer carbon-hydrogen bonds

3,700

Saturated HFCs with 3 or more carbon-hydrogen bonds

930

Saturated hydrofluoroethers (HFEs) and hydrochlorofluoroethers (HCFEs) with 1 carbon-hydrogen bond

5,700

Saturated HFEs and HCFEs with 2 carbon-hydrogen bonds

2,600

Saturated HFEs and HCFEs with 3 or more carbon-hydrogen bonds

270

Fluorinated formates

350

Fluorinated acetates, carbonofluoridates, and fluorinated alcohols other than fluorotelomer alcohols

30

Unsaturated perfluorocarbons (PFCs), unsaturated HFCs, unsaturated hydrochlorofluorocarbons (HCFCs), unsaturated halogenated ethers, unsaturated halogenated esters, fluorinated aldehydes, and fluorinated ketones

1

Fluorotelomer alcohols

1

Fluorinated GHGs with carbon-iodine bond(s)

1

Other fluorinated GHGs

2,000