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Table A-1 to Subpart A of Part 98—Global Warming Potentials[100-Year Time Horizon]
Name CAS No. Chemical formula Global warming potential (100 yr.)
Chemical-Specific GWPs
Carbon dioxide 124-38-9 CO2 1
Methane 74-82-8 CH4a25
Nitrous oxide 10024-97-2 N2O a298
Fully Fluorinated GHGs
Sulfur hexafluoride 2551-62-4 SF6a22,800
Trifluoromethyl sulphur pentafluoride 373-80-8 SF5CF3 17,700
Nitrogen trifluoride 7783-54-2 NF3 17,200
PFC-14 (Perfluoromethane) 75-73-0 CF4a7,390
PFC-116 (Perfluoroethane) 76-16-4 C2F6a12,200
PFC-218 (Perfluoropropane) 76-19-7 C3F8a8,830
Perfluorocyclopropane 931-91-9 C-C3F6 17,340
PFC-3-1-10 (Perfluorobutane) 355-25-9 C4F10a8,860
PFC-318 (Perfluorocyclobutane) 115-25-3 C-C4F8a10,300
PFC-4-1-12 (Perfluoropentane) 678-26-2 C5F12a9,160
PFC-5-1-14 (Perfluorohexane, FC-72) 355-42-0 C6F14a9,300
PFC-6-1-12 335-57-9 C7F16; CF3(CF2)5CF3b7,820
PFC-7-1-18 307-34-6 C8F18; CF3(CF2)6CF3b7,620
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-C10F18b7,236
Perfluorodecalin (trans) 60433-12-7 E-C10F18b6,288
Saturated Hydrofluorocarbons (HFCs) With Two or Fewer Carbon-Hydrogen Bonds
HFC-23 75-46-7 CHF3a14,800
HFC-32 75-10-5 CH2F2a675
HFC-125 354-33-6 C2HF5a3,500
HFC-134 359-35-3 C2H2F4a1,100
HFC-134a 811-97-2 CH2FCF3a1,430
HFC-227ca 2252-84-8 CF3CF2CHF2b2640
HFC-227ea 431-89-0 C3HF7a3,220
HFC-236cb 677-56-5 CH2FCF2CF3 1,340
HFC-236ea 431-63-0 CHF2CHFCF3 1,370
HFC-236fa 690-39-1 C3H2F6a9,810
HFC-329p 375-17-7 CHF2CF2CF2CF3b2360
HFC-43-10mee 138495-42-8 CF3CFHCFHCF2CF3a1,640
Saturated Hydrofluorocarbons (HFCs) With Three or More Carbon-Hydrogen Bonds
HFC-41 593-53-3 CH3F a92
HFC-143 430-66-0 C2H3F3a353
HFC-143a 420-46-2 C2H3F3a4,470
HFC-152 624-72-6 CH2FCH2F 53
HFC-152a 75-37-6 CH3CHF2a124
HFC-161 353-36-6 CH3CH2F 12
HFC-245ca 679-86-7 C3H3F5a693
HFC-245cb 1814-88-6 CF3CF2CH3b4620
HFC-245ea 24270-66-4 CHF2CHFCHF2b235
HFC-245eb 431-31-2 CH2FCHFCF3b290
HFC-245fa 460-73-1 CHF2CH2CF3 1,030
HFC-263fb 421-07-8 CH3CH2CF3b76
HFC-272ca 420-45-1 CH3CF2CH3b144
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 CF3CFHCF2OCF3b4,550
1,1,1,2,2,3,3-Heptafluoro-3-(1,2,2,2-tetrafluoroethoxy)-propane 3330-15-2 CF3CF2CF2OCHFCF3b6,490
Saturated HFEs and HCFEs With Two Carbon-Hydrogen Bonds
HFE-134 (HG-00) 1691-17-4 CHF2OCHF2 6,320
HFE-236ca 32778-11-3 CHF2OCF2CHF2b4,240
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 b583
HCFE-235da2 (Isoflurane) 26675-46-7 CHF2OCHClCF3 350
HG-02 205367-61-9 HF2C-(OCF2CF2)2-OCF2H b3,825
HG-03 173350-37-3 HF2C-(OCF2CF2)3-OCF2H b3,670
HG-20 249932-25-0 HF2C-(OCF2)2-OCF2H b5,300
HG-21 249932-26-1 HF2C-OCF2CF2OCF2OCF2O-CF2H b3,890
HG-30 188690-77-9 HF2C-(OCF2)3-OCF2H b7,330
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 b3,630
1,1,2-Trifluoro-2-(trifluoromethoxy)-ethane 84011-06-3 CHF2CHFOCF3b1,240
Trifluoro(fluoromethoxy)methane 2261-01-0 CH2FOCF3b751
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 CF3OCH2CH3b29
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 c216
HFE-347pcf2 406-78-0 CHF2CF2OCH2CF3 580
HFE-356mec3 382-34-3 CH3OCF2CHFCF3 101
HFE-356mff2 333-36-8 CF3CH2OCH2CF3b17
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 CF3CF2OCH2CH3b58
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 CH3OCF2CF2OCH3b222
HG'-02 485399-46-0 CH3O(CF2CF2O)2CH3b236
HG'-03 485399-48-2 CH3O(CF2CF2O)3CH3b221
Difluoro(methoxy)methane 359-15-9 CH3OCHF2b144
2-Chloro-1,1,2-trifluoro-1-methoxyethane 425-87-6 CH3OCF2CHFCl b122
1-Ethoxy-1,1,2,2,3,3,3-heptafluoropropane 22052-86-4 CF3CF2CF2OCH2CH3b61
2-Ethoxy-3,3,4,4,5-pentafluorotetrahydro-2,5-bis[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]-furan 920979-28-8 C12H5F19O2b56
1-Ethoxy-1,1,2,3,3,3-hexafluoropropane 380-34-7 CF3CHFCF2OCH2CH3b23
Fluoro(methoxy)methane 460-22-0 CH3OCH2F b13
1,1,2,2-Tetrafluoro-3-methoxy-propane; Methyl 2,2,3,3-tetrafluoropropyl ether 60598-17-6 CHF2CF2CH2OCH3b0.5
1,1,2,2-Tetrafluoro-1-(fluoromethoxy)ethane 37031-31-5 CH2FOCF2CF2H b871
Difluoro(fluoromethoxy)methane 461-63-2 CH2FOCHF2b617
Fluoro(fluoromethoxy)methane 462-51-1 CH2FOCH2F b130
Fluorinated Formates
Trifluoromethyl formate 85358-65-2 HCOOCF3b588
Perfluoroethyl formate 313064-40-3 HCOOCF2CF3b580
1,2,2,2-Tetrafluoroethyl formate 481631-19-0 HCOOCHFCF3b470
Perfluorobutyl formate 197218-56-7 HCOOCF2CF2CF2CF3b392
Perfluoropropyl formate 271257-42-2 HCOOCF2CF2CF3b376
1,1,1,3,3,3-Hexafluoropropan-2-yl formate 856766-70-6 HCOOCH(CF3)2b333
2,2,2-Trifluoroethyl formate 32042-38-9 HCOOCH2CF3b33
3,3,3-Trifluoropropyl formate 1344118-09-7 HCOOCH2CH2CF3b17
Fluorinated Acetates
Methyl 2,2,2-trifluoroacetate 431-47-0 CF3COOCH3b52
1,1-Difluoroethyl 2,2,2-trifluoroacetate 1344118-13-3 CF3COOCF2CH3b31
Difluoromethyl 2,2,2-trifluoroacetate 2024-86-4 CF3COOCHF2b27
2,2,2-Trifluoroethyl 2,2,2-trifluoroacetate 407-38-5 CF3COOCH2CF3b7
Methyl 2,2-difluoroacetate 433-53-4 HCF2COOCH3b3
Perfluoroethyl acetate 343269-97-6 CH3COOCF2CF3b2.1
Trifluoromethyl acetate 74123-20-9 CH3COOCF3b2.0
Perfluoropropyl acetate 1344118-10-0 CH3COOCF2CF2CF3b1.8
Perfluorobutyl acetate 209597-28-4 CH3COOCF2CF2CF2CF3b1.6
Ethyl 2,2,2-trifluoroacetate 383-63-1 CF3COOCH2CH3b1.3
Carbonofluoridates
Methyl carbonofluoridate 1538-06-3 FCOOCH3b95
1,1-Difluoroethyl carbonofluoridate 1344118-11-1 FCOOCF2CH3b27
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 b25
2,2,2-Trifluoroethanol 75-89-8 CF3CH2OH b20
2,2,3,4,4,4-Hexafluoro-1-butanol 382-31-0 CF3CHFCF2CH2OH b17
2,2,3,3-Tetrafluoro-1-propanol 76-37-9 CHF2CF2CH2OH b13
2,2-Difluoroethanol 359-13-7 CHF2CH2OH b3
2-Fluoroethanol 371-62-0 CH2FCH2OH b1.1
4,4,4-Trifluorobutan-1-ol 461-18-7 CF3(CH2)2CH2OH b0.05
Unsaturated Perfluorocarbons (PFCs)
PFC-1114; TFE 116-14-3 CF2=CF2; C2F4b0.004
PFC-1216; Dyneon HFP 116-15-4 C3F6; CF3CF=CF2b0.05
PFC C-1418 559-40-0 c-C5F8b1.97
Perfluorobut-2-ene 360-89-4 CF3CF=CFCF3b1.82
Perfluorobut-1-ene 357-26-6 CF3CF2CF=CF2b0.10
Perfluorobuta-1,3-diene 685-63-2 CF2=CFCF=CF2b0.003
Unsaturated Hydrofluorocarbons (HFCs) and Hydrochlorofluorocarbons (HCFCs)
HFC-1132a; VF2 75-38-7 C2H2F2, CF2=CH2b0.04
HFC-1141; VF 75-02-5 C2H3F, CH2=CHF b0.02
(E)-HFC-1225ye 5595-10-8 CF3CF=CHF(E) b0.06
(Z)-HFC-1225ye 5528-43-8 CF3CF=CHF(Z) b0.22
Solstice 1233zd(E) 102687-65-0 C3H2ClF3; CHCl=CHCF3b1.34
HFC-1234yf; HFO-1234yf 754-12-1 C3H2F4; CF3CF=CH2b0.31
HFC-1234ze(E) 1645-83-6 C3H2F4; trans-CF3CH=CHF b0.97
HFC-1234ze(Z) 29118-25-0 C3H2F4cis-CF3CH=CHF; CF3CH=CHF b0.29
HFC-1243zf; TFP 677-21-4 C3H3F3, CF3CH=CH2b0.12
(Z)-HFC-1336 692-49-9 CF3CH=CHCF3(Z) b1.58
HFC-1345zfc 374-27-6 C2F5CH=CH2b0.09
Capstone 42-U 19430-93-4 C6H3F9, CF3(CF2)3CH=CH2b0.16
Capstone 62-U 25291-17-2 C8H3F13, CF3(CF2)5CH=CH2b0.11
Capstone 82-U 21652-58-4 C10H3F17, CF3(CF2)7CH=CH2b0.09
Unsaturated Halogenated Ethers
PMVE; HFE-216 1187-93-5 CF3OCF=CF2b0.17
Fluoroxene 406-90-6 CF3CH2OCH=CH2b0.05
Fluorinated Aldehydes
3,3,3-Trifluoro-propanal 460-40-2 CF3CH2CHO b0.01
Fluorinated Ketones
Novec 1230 (perfluoro (2-methyl-3-pentanone)) 756-13-8 CF3CF2C(O)CF (CF3)2b0.1
Fluorotelomer Alcohols
3,3,4,4,5,5,6,6,7,7,7-Undecafluoroheptan-1-ol 185689-57-0 CF3(CF2)4CH2CH2OH b0.43
3,3,3-Trifluoropropan-1-ol 2240-88-2 CF3CH2CH2OH b0.35
3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Pentadecafluorononan-1-ol 755-02-2 CF3(CF2)6CH2CH2OH b0.33
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 b0.19
Fluorinated GHGs With Carbon-Iodine Bond(s)
Trifluoroiodomethane 2314-97-8 CF3I b0.4
Other Fluorinated Compounds
Dibromodifluoromethane (Halon 1202) 75-61-6 CBR2F2b231
2-Bromo-2-chloro-1,1,1-trifluoroethane (Halon-2311/Halothane) 151-67-7 CHBrClCF3b41
Fluorinated GHG Groupd Global warming potential (100 yr.)
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
aThe GWP for this compound was updated in the final rule published on November 29, 2013 [78 FR 71904] and effective on January 1, 2014.
bThis compound was added to Table A-1 in the final rule published on December 11, 2014, and effective on January 1, 2015.
cThe GWP for this compound was updated in the final rule published on December 11, 2014, and effective on January 1, 2015 .
dFor electronics manufacturing (as defined in §98.90), the term “fluorinated GHGs” in the definition of each fluorinated GHG group in §98.6 shall include fluorinated heat transfer fluids (as defined in §98.98), whether or not they are also fluorinated GHGs.

[78 FR 71948, Nov. 29, 2013; 79 FR 73779, Dec. 11, 2014]

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