40 CFR Table A-1 to Subpart A of Part 98
Global Warming Potentials
June 9, 2020
[100-Year Time Horizon]
Open Table
| Name | CAS No. | Chemical formula | Global warming potential (100 yr.) |
|---|---|---|---|
| Chemical-Specific GWPs | |||
| Carbon dioxide | 124-38-9 | CO2 | 1 |
| Methane | 74-82-8 | CH4 | a25 |
| Nitrous oxide | 10024-97-2 | N2O | a298 |
| Fully Fluorinated GHGs | |||
| Sulfur hexafluoride | 2551-62-4 | SF6 | a22,800 |
| Trifluoromethyl sulphur pentafluoride | 373-80-8 | SF5CF3 | 17,700 |
| Nitrogen trifluoride | 7783-54-2 | NF3 | 17,200 |
| PFC-14 (Perfluoromethane) | 75-73-0 | CF4 | a7,390 |
| PFC-116 (Perfluoroethane) | 76-16-4 | C2F6 | a12,200 |
| PFC-218 (Perfluoropropane) | 76-19-7 | C3F8 | a8,830 |
| Perfluorocyclopropane | 931-91-9 | C-C3F6 | 17,340 |
| PFC-3-1-10 (Perfluorobutane) | 355-25-9 | C4F10 | a8,860 |
| PFC-318 (Perfluorocyclobutane) | 115-25-3 | C-C4F8 | a10,300 |
| PFC-4-1-12 (Perfluoropentane) | 678-26-2 | C5F12 | a9,160 |
| PFC-5-1-14 (Perfluorohexane, FC-72) | 355-42-0 | C6F14 | a9,300 |
| PFC-6-1-12 | 335-57-9 | C7F16; CF3(CF2)5CF3 | b7,820 |
| PFC-7-1-18 | 307-34-6 | C8F18; CF3(CF2)6CF3 | b7,620 |
| 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 | b7,236 |
| Perfluorodecalin (trans) | 60433-12-7 | E-C10F18 | b6,288 |
| Saturated Hydrofluorocarbons (HFCs) With Two or Fewer Carbon-Hydrogen Bonds | |||
| HFC-23 | 75-46-7 | CHF3 | a14,800 |
| HFC-32 | 75-10-5 | CH2F2 | a675 |
| HFC-125 | 354-33-6 | C2HF5 | a3,500 |
| HFC-134 | 359-35-3 | C2H2F4 | a1,100 |
| HFC-134a | 811-97-2 | CH2FCF3 | a1,430 |
| HFC-227ca | 2252-84-8 | CF3CF2CHF2 | b2640 |
| HFC-227ea | 431-89-0 | C3HF7 | a3,220 |
| HFC-236cb | 677-56-5 | CH2FCF2CF3 | 1,340 |
| HFC-236ea | 431-63-0 | CHF2CHFCF3 | 1,370 |
| HFC-236fa | 690-39-1 | C3H2F6 | a9,810 |
| HFC-329p | 375-17-7 | CHF2CF2CF2CF3 | b2360 |
| HFC-43-10mee | 138495-42-8 | CF3CFHCFHCF2CF3 | a1,640 |
| Saturated Hydrofluorocarbons (HFCs) With Three or More Carbon-Hydrogen Bonds | |||
| HFC-41 | 593-53-3 | CH3F | a92 |
| HFC-143 | 430-66-0 | C2H3F3 | a353 |
| HFC-143a | 420-46-2 | C2H3F3 | a4,470 |
| HFC-152 | 624-72-6 | CH2FCH2F | 53 |
| HFC-152a | 75-37-6 | CH3CHF2 | a124 |
| HFC-161 | 353-36-6 | CH3CH2F | 12 |
| HFC-245ca | 679-86-7 | C3H3F5 | a693 |
| HFC-245cb | 1814-88-6 | CF3CF2CH3 | b4620 |
| HFC-245ea | 24270-66-4 | CHF2CHFCHF2 | b235 |
| HFC-245eb | 431-31-2 | CH2FCHFCF3 | b290 |
| HFC-245fa | 460-73-1 | CHF2CH2CF3 | 1,030 |
| HFC-263fb | 421-07-8 | CH3CH2CF3 | b76 |
| HFC-272ca | 420-45-1 | CH3CF2CH3 | b144 |
| 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 | b4,550 |
| 1,1,1,2,2,3,3-Heptafluoro-3-(1,2,2,2-tetrafluoroethoxy)-propane | 3330-15-2 | CF3CF2CF2OCHFCF3 | b6,490 |
| 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 | b4,240 |
| 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 | CHF2CHFOCF3 | b1,240 |
| Trifluoro(fluoromethoxy)methane | 2261-01-0 | CH2FOCF3 | b751 |
| 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 | b29 |
| 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 | CF3CH2OCH2CF3 | b17 |
| 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 | b58 |
| 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 | b222 |
| HG'-02 | 485399-46-0 | CH3O(CF2CF2O)2CH3 | b236 |
| HG'-03 | 485399-48-2 | CH3O(CF2CF2O)3CH3 | b221 |
| Difluoro(methoxy)methane | 359-15-9 | CH3OCHF2 | b144 |
| 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 | CF3CF2CF2OCH2CH3 | b61 |
| 2-Ethoxy-3,3,4,4,5-pentafluorotetrahydro-2,5-bis[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]-furan | 920979-28-8 | C12H5F19O2 | b56 |
| 1-Ethoxy-1,1,2,3,3,3-hexafluoropropane | 380-34-7 | CF3CHFCF2OCH2CH3 | b23 |
| 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 | CHF2CF2CH2OCH3 | b0.5 |
| 1,1,2,2-Tetrafluoro-1-(fluoromethoxy)ethane | 37031-31-5 | CH2FOCF2CF2H | b871 |
| Difluoro(fluoromethoxy)methane | 461-63-2 | CH2FOCHF2 | b617 |
| Fluoro(fluoromethoxy)methane | 462-51-1 | CH2FOCH2F | b130 |
| Fluorinated Formates | |||
| Trifluoromethyl formate | 85358-65-2 | HCOOCF3 | b588 |
| Perfluoroethyl formate | 313064-40-3 | HCOOCF2CF3 | b580 |
| 1,2,2,2-Tetrafluoroethyl formate | 481631-19-0 | HCOOCHFCF3 | b470 |
| Perfluorobutyl formate | 197218-56-7 | HCOOCF2CF2CF2CF3 | b392 |
| Perfluoropropyl formate | 271257-42-2 | HCOOCF2CF2CF3 | b376 |
| 1,1,1,3,3,3-Hexafluoropropan-2-yl formate | 856766-70-6 | HCOOCH(CF3)2 | b333 |
| 2,2,2-Trifluoroethyl formate | 32042-38-9 | HCOOCH2CF3 | b33 |
| 3,3,3-Trifluoropropyl formate | 1344118-09-7 | HCOOCH2CH2CF3 | b17 |
| Fluorinated Acetates | |||
| Methyl 2,2,2-trifluoroacetate | 431-47-0 | CF3COOCH3 | b52 |
| 1,1-Difluoroethyl 2,2,2-trifluoroacetate | 1344118-13-3 | CF3COOCF2CH3 | b31 |
| Difluoromethyl 2,2,2-trifluoroacetate | 2024-86-4 | CF3COOCHF2 | b27 |
| 2,2,2-Trifluoroethyl 2,2,2-trifluoroacetate | 407-38-5 | CF3COOCH2CF3 | b7 |
| Methyl 2,2-difluoroacetate | 433-53-4 | HCF2COOCH3 | b3 |
| Perfluoroethyl acetate | 343269-97-6 | CH3COOCF2CF3 | b2.1 |
| Trifluoromethyl acetate | 74123-20-9 | CH3COOCF3 | b2.0 |
| Perfluoropropyl acetate | 1344118-10-0 | CH3COOCF2CF2CF3 | b1.8 |
| Perfluorobutyl acetate | 209597-28-4 | CH3COOCF2CF2CF2CF3 | b1.6 |
| Ethyl 2,2,2-trifluoroacetate | 383-63-1 | CF3COOCH2CH3 | b1.3 |
| Carbonofluoridates | |||
| Methyl carbonofluoridate | 1538-06-3 | FCOOCH3 | b95 |
| 1,1-Difluoroethyl carbonofluoridate | 1344118-11-1 | FCOOCF2CH3 | b27 |
| 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; C2F4 | b0.004 |
| PFC-1216; Dyneon HFP | 116-15-4 | C3F6; CF3CF = CF2 | b0.05 |
| PFC C-1418 | 559-40-0 | c-C5F8 | b1.97 |
| Perfluorobut-2-ene | 360-89-4 | CF3CF = CFCF3 | b1.82 |
| Perfluorobut-1-ene | 357-26-6 | CF3CF2CF = CF2 | b0.10 |
| Perfluorobuta-1,3-diene | 685-63-2 | CF2 = CFCF = CF2 | b0.003 |
| Unsaturated Hydrofluorocarbons (HFCs) and Hydrochlorofluorocarbons (HCFCs) | |||
| HFC-1132a; VF2 | 75-38-7 | C2H2F2 , CF2 = CH2 | b0.04 |
| 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 = CHCF3 | b1.34 |
| HFC-1234yf; HFO-1234yf | 754-12-1 | C3H2F4; CF3CF = CH2 | b0.31 |
| HFC-1234ze(E) | 1645-83-6 | C3H2F4; trans-CF3CH = CHF | b0.97 |
| HFC-1234ze(Z) | 29118-25-0 | C3H2F4; cis-CF3CH = CHF; CF3CH = CHF | b0.29 |
| HFC-1243zf; TFP | 677-21-4 | C3H3F3, CF3CH = CH2 | b0.12 |
| (Z)-HFC-1336 | 692-49-9 | CF3CH = CHCF3(Z) | b1.58 |
| HFC-1345zfc | 374-27-6 | C2F5CH = CH2 | b0.09 |
| Capstone 42-U | 19430-93-4 | C6H3F9, CF3(CF2)3CH = CH2 | b0.16 |
| Capstone 62-U | 25291-17-2 | C8H3F13, CF3(CF2)5CH = CH2 | b0.11 |
| Capstone 82-U | 21652-58-4 | C10H3F17, CF3(CF2)7CH = CH2 | b0.09 |
| Unsaturated Halogenated Ethers | |||
| PMVE; HFE-216 | 1187-93-5 | CF3OCF = CF2 | b0.17 |
| Fluoroxene | 406-90-6 | CF3CH2OCH = CH2 | b0.05 |
| 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)2 | b0.1 |
| 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 | CBR2F2 | b231 |
| 2-Bromo-2-chloro-1,1,1-trifluoroethane (Halon-2311/Halothane) | 151-67-7 | CHBrClCF3 | b41 |
Open Table
| 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.
[79 FR 73779, Dec. 11, 2014]
Tried the LawStack mobile app?
Join thousands and try LawStack mobile for FREE today.
- Carry the law offline, wherever you go.
- Download CFR, USC, rules, and state law to your mobile device.
