# List of gases

This is a list of gases at standard conditions, which means substances that boil or sublime at or below 25 °C (77 °F) and 1 atm pressure and are reasonably stable.

## List

This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately. Blue type items have an article available by clicking on the name.
| Name | Formula | Boiling pt (°C) | Melting pt (°C) | Molecular weight | CAS No |
| Helium-3 | $^3$He | −269.96 | N/A | 3 | 14762-55-1 |
| Helium-4 | $^4$He | −268.928 | N/A | 4 | 7440-59-7 |
| Hydrogen | H$_2$ | −252.879 | −259.16 | 2 | 1333-74-0 |
| Deuterium | D$_2$ | −249.49 | −254.43 | 4 | 7782-39-0 |
| Tritium | T$_2$ | −248.12 | −254.54 | 6 | 10028-17-8 |
| Neon | Ne | −246.046 | −248.59 | 20 | 7440-01-9 |
| Nitrogen | N$_2$ | −195.795 | −210.0 | 28 | 7727-37-9 |
| Carbon monoxide | CO | −191.5 | −205.02 | 28 | 630-08-0 |
| Fluorine | F$_2$ | −188.11 | −219.67 | 38 | 7782-41-4 |
| Argon | Ar | −185.848 | −189.34 | 40 | 7440-37-1 |
| Oxygen | O$_2$ | −182.962 | −218.79 | 32 | 7782-44-7 |
| Methane | CH$_4$ | −161.5 | −182.50 | 16 | 74-82-8 |
| Krypton | Kr | −153.415 | −157.37 | 84 | 7439-90-9 |
| Nitric oxide | NO | −151.74 | −163.6 | 30 | 10102-43-9 |
| Oxygen difluoride | F$_2$O | −144.3 | −223.8 | 54 | 7783-41-7 |
| Tetrafluoromethane | CF$_4$ | −127.8 | −183.6 | 88 | 75-73-0 |
| Nitrogen trifluoride | NF$_3$ | −128.74 | −206.79 | 71 | 7783-54-2 |
| Silane | SiH$_4$ | −111.9 | −185 | 32 | 7803-62-5 |
| trans-Dinitrogen difluoride | N$_2$F$_2$ | −111.45 | −172 | 66 | 13776-62-0 |
| Ozone | O$_3$ | −111.35 | −193 | 48 | 10028-15-6 |
| Xenon | Xe | −108.099 | −111.75 | 131 | 7440-63-3 |
| cis-Dinitrogen difluoride | N$_2$F$_2$ | −105.75 | −195 | 66 | 13812-43-6 |
| Ethylene | CH$_2$=CH$_2$ | −103.7 | −169.2 | 28 | 74-85-1 |
| Phosphorus trifluoride | PF$_3$ | −101.8 | −151.5 | 88 | 7783-55-3 |
| Chlorine monofluoride | ClF | −101.1 | −155.6 | 54.5 | 7790-89-8 |
| Boron trifluoride | BF$_3$ | −99.9 | −126.8 | 68 | 7637-07-2 |
| Fluorosilane | SiH$_3$F | −98.6 | | 50 | 13537-33-2 |
| Trifluorosilane | SiHF$_3$ | −95 | −131 | 86 | 13465-71-9 |
| Trifluoromethyl hypofluorite | CF$_3$OF | −95 | −215 | 104 | 373-91-1 |
| Diborane | B$_2$H$_6$ | −92.49 | −164.85 | 28 | 19287-45-7 |
| 3,3-Difluorodiazirine | CF$_2$N$_2$ | −91.3 | | 78 | 693-85-6 |
| Ethane | CH$_3$CH$_3$ | −88.5 | −182.8 | 30 | 74-84-0 |
| Nitrous oxide | N$_2$O | −88.48 | −90.8 | 44 | 10024-97-2 |
| Germane | GeH$_4$ | −88.1 | −165 | 77 | 7782-65-2 |
| Phosphine | PH$_3$ | −87.75 | −133.8 | 34 | 7803-51-2 |
| Trifluoramine oxide | NOF$_3$ | −87.5 | −161 | 87 | 13847-65-9 |
| Tetrafluorosilane | SiF$_4$ | −86 | −90.2 | 104 | 7783-61-1 |
| 1,1-Difluoroethene | CF$_2$=CH$_2$ | −85.5 | −144 | 64 | 75-38-7 |
| Trifluoronitrosomethane | CF$_3$NO | −85 | −196.6 | 99 | 334-99-6 |
| Azidotrifluoromethane | CF$_3$N$_3$ | −85 | −152 | 111 | 3802-95-7 |
| Hydrogen chloride | HCl | −85 | −114.17 | 36.5 | 7647-01-0 |
| Difluorodioxirane | F$_2$COO | ≈−85 | ≤−160 | 82 | 96740-99-7 |
| Acetylene | CH≡CH | −84.7 | −81.5 | 26 | 74-86-2 |
| Phosphorus pentafluoride | PF$_5$ | −84.6 | −93.8 | 126 | 7647-19-0 |
| Carbonyl fluoride | COF$_2$ | −84.5 | −111.2 | 66 | 353-50-4 |
| Trifluoromethane | CHF$_3$ | −82.1 | −155.2 | 70 | 75-46-7 |
| Chlorotrifluoromethane | CClF$_3$ | −81.5 | −181 | 104.5 | 75-72-9 |
| Bis(difluoroboryl)methane | BF$_2$CF$_2$BF$_2$ | −81.4 ? | | 148 | 55124-14-6 |
| Trifluoroisocyanomethane | CF$_3$NC | −80 | | 95 | 105879-13-8 |
| Difluoromethylborane | CH$_3$BF$_2$ | −78.5 | | 64 | 373-64-8 |
| Carbon dioxide | CO$_2$ | −78.464 sub | −56.561 triple | 44 | 124-38-9 |
| Fluoromethane | CH$_3$F | −78.4 | −137.8 | 34 | 593-53-3 |
| Hexafluoroethane | CF$_3$CF$_3$ | −78.1 | −100.015 | 138 | 76-16-4 |
| Pentafluoromethanamine | CF$_3$NF$_2$ | −78 | −130 | 121 | 335-01-3 |
| Difluorosilane | SiH$_2$F$_2$ | −77.8 | −122 | 68 | 13824-36-7 |
| Tetrafluoroethene | CF$_2$=CF$_2$ | −76 | −131.14 | 100 | 116-14-3 |
| Fluoroacetylene | FCCH | −74 | −196 | 44 | 2713-09-9 |
| Tetrafluorohydrazine | N$_2$F$_4$ | −74 | −164.5 | 104 | 10036-47-2 |
| Nitryl fluoride | NO$_2$F | −72.4 | −166 | 65 | 10022-50-1 |
| Fluoroethene | CH$_2$CHF | −72 | −160.5 | 46 | 75-02-5 |
| Chlorotrifluorosilane | SiClF$_3$ | −70 | −138 | 120.5 | 14049-36-6 |
| Trifluoroacetonitrile | CF$_3$CN | −68.8 | | 95 | 353-85-5 |
| Chlorodifluoroamine | NClF$_2$ | −67 | −195 | 87.5 | 13637-87-1 |
| Hydrogen bromide | HBr | −66.38 | −86.80 | 81 | 10035-10-6 |
| Difluorophosphine | PHF$_2$ | −65 | −124 | 70 | 14984-74-8 |
| Borane carbonyl | BH$_3$CO | −64 | −137 | 42 | 13205-44-2 |
| Fluoroperoxytrifluoromethane | CF$_3$OOF | −64 | | 120 | |
| Bis(fluoroxy)difluoromethane | CF$_2$(OF)$_2$ | −64 | | 120 | 16282-67-0 |
| Sulfur hexafluoride | SF$_6$ | −63.8 | −49.596 triple | 146 | 2551-62-4 |
| Tetrafluorooxirane | C$_2$F$_4$O | −63.5 | | 116 | 694-17-7 |
| Arsine | AsH$_3$ | −62.5 | −166 | 78 | 7784-42-1 |
| Thiocarbonyl fluoride | CSF$_2$ | −62.1 | −163.5 | 82 | 420-32-6 |
| Radon | Rn | −61.7 | −71 | 222 | 10043-92-2 |
| Difluorocyanamide | NF$_2$CN | −61 | −196 | 78 | 7127-18-6 |
| Nitrosyl fluoride | ONF | −59.9 | −132.5 | 49 | 7789-25-5 |
| Hydrogen sulfide | H$_2$S | −59.55 | −85.5 | 34 | 7783-06-4 |
| Trifluoroacetyl fluoride | CF$_3$COF | −59 | −159.5 | 116 | 354-34-7 |
| Hexafluorodimethyl ether | CF$_3$OCF$_3$ | −59 | | 154 | 333-36-8 |
| Bromotrifluoromethane | CBrF$_3$ | −57.75 | −167.78 | 149 | 75-63-8 |
| Difluoroaminooxyperfluoromethane | CF$_3$ONF$_2$ | −57.63 | | 137 | 4217-93-0 |
| Methylsilane | CH$_3$SiH$_3$ | −57.5 | −156.5 | 46 | 992-94-9 |
| Dioxygen difluoride | F$_2$O$_2$ | −57 dec | −163.5 | 70 | 7783-44-0 |
| Ethenone | CH$_2$=C=O | −56.1 | −151 | 42 | 463-51-4 |
| Sulfuryl fluoride | SO$_2$F$_2$ | −55.4 | −135.8 | 102 | 2699-79-8 |
| Dichlorofluorosilane | SiHCl$_2$F | −54.3 | | 119 | 19382-74-2 |
| trans-1,2-Difluoroethene | CHF=CHF | −53.1 | | 64 | 1630-78-0 |
| Trifluoroethene | CF$_2$=CHF | −53 | | 82 | 359-11-5 |
| Arsenic pentafluoride | AsF$_5$ | −52.8 | −79.8 | 170 | 7784-36-3 |
| Phosphorothioic trifluoride | PSF$_3$ | −52.25 | −148.8 | 120 | 2404-52-6 |
| Difluoromethane | CH$_2$F$_2$ | −52 | −136 | 52 | 75-10-5 |
| Difluorocarbamyl fluoride | F$_2$NCOF | −52 | −152.2 | 99 | 2368-32-3 |
| Stannane | SnH$_4$ | −51.8 | −146 | 123 | 2406-52-2 |
| Tetrafluoropropyne | CF$_3$C≡CF | −50.39 | | 112 | 20174-11-2 |
| Carbonyl sulfide | OCS | −50.2 | −138.8 | 60 | 463-58-1 |
| Pentafluoroethyl hypofluorite | C$_2$F$_5$OF | −50 | | 154 | |
| Chlorodifluorosilane | SiHClF$_2$ | ~−50 | | 102.5 | 80003-43-6 |
| Digallane | Ga$_2$H$_6$ | ~−50 dec | | 145.494 | 12140-58-8 |
| Thionyl tetrafluoride | SOF$_4$ | −48.5 | −99.6 | 124 | 13709-54-1 |
| 3,3,3-Trifluoro-1-propyne | CF$_3$CCH | −48.3 | | 94 | 661-54-1 |
| Pentafluoroethane | CF$_3$CHF$_2$ | −48.1 | −100.6 | 120 | 354-33-6 |
| Propene | C$_3$H$_6$ | −47.6 | −185.2 | 42 | 115-07-1 |
| Chlorodifluorophosphine | PClF$_2$ | −47.3 | −164.8 | 104.5 | 14335-40-1 |
| Carbonyl chloride fluoride | COClF | −47.2 | −148 | 82.5 | 353-49-1 |
| 1,1,1-Trifluoroethane | CF$_3$CH$_3$ | −47 | −111.8 | 84 | 420-46-2 |
| Trifluoromethyl hypochlorite | CF$_3$OCl | −47 | −164 | 120.5 | 22082-78-6 |
| Perchloryl fluoride | ClO$_3$F | −46.75 | −147 | 102.5 | 7616-94-6 |
| Selenium hexafluoride | SeF$_6$ | −46.6 sub | −34.6 triple | 193 | 7783-79-1 |
| Cyanogen fluoride | FCN | −46 | −82 | 45 | 1495-50-7 |
| Fluorine nitrate | FNO$_3$ | −46 | −175 | 81 | 7789-26-6 |
| Pentafluoronitrosoethane | C$_2$F$_5$NO | −45.7 | | 137 | 354-72-3 |
| Difluoromethylene dihypofluorite | CF$_2$(OF)$_2$ | −45.8 | −142 | 120 | 16282-67-0 |
| cis-1,2-Difluoroethene | CHF=CHF | −45 | | 64 | 1630-77-9 |
| 1,1-Difluoro-1-propene | CH$_3$CH=CF$_2$ | −44 | | 78 | 430-63-7 |
| Dimethylfluoroborane | (CH$_3$)$_2$BF | −44 | | 60 | 353-46-8 |
| Fluoro(trifluoromethyl)silane | CF$_3$SiH$_2$F | −44 | | 118 | |
| Thionyl fluoride | SOF$_2$ | −43.8 | −110.5 | 86 | 7783-42-8 |
| Phosphorus chloride tetrafluoride | PClF$_4$ | −43.4 | −132 | 142.5 | 13498-11-8 |
| Methyldiborane | CH$_3$B$_2$H$_5$ | −43 | | 42 | 23777-55-1 |
| Difluoro(trifluoromethyl)phosphine | CF$_3$PF$_2$ | −43 | | 138 | 1112-04-5 |
| N,N,1,1-Tetrafluoromethylamine | CHF$_2$NF$_2$ | −43 | | 103 | 24708-53-0 |
| Propane | C$_3$H$_8$ | −42.25 | −187.7 | 44 | 74-98-6 |
| Trifluoro(trifluoromethyl)silane | CF$_3$SiF$_3$ | −42 | | 154 | 335-06-8 |
| Bromotrifluorosilane | BrSiF$_3$ | −41.7 | −70.5 | 169 | 14049-39-9 |
| Hydrogen selenide | H$_2$Se | −41.25 | −65.73 | 81 | 7783-07-5 |
| Chlorodifluoromethane | CHClF$_2$ | −40.7 | −175.42 | 86.5 | 75-45-6 |
| Sulfur tetrafluoride | SF$_4$ | −40.45 | −125 | 108 | 7783-60-0 |
| Hexafluorodiazomethane cis | CF$_3$NNCF$_3$ | −40 | −127 | 166 | 73513-59-4 |
| Phosphoryl fluoride | POF$_3$ | −39.7 sub | −39.1 triple | 104 | 13478-20-1 |
| Chloropentafluoroethane | CF$_3$CClF$_2$ | −39.1 | −99 | 135.5 | 76-15-3 |
| Tetrafluoro(trifluoromethyl)phosphorane | CF$_3$PF$_4$ | −39 | −113 | 176 | 1184-81-2 |
| tetrafluorophosphorane | PHF$_4$ | −39.0 | −100 | 108 | 13659-66-0 |
| Tellurium hexafluoride | TeF$_6$ | −38.9 | −37.6 triple | 242 | 7783-80-4 |
| Vinyldifluoroborane | CH$_2$=CHBF$_2$ | −38.8 | −133.4 | 76 | 358-95-2 |
| (Trifluoromethyl)silane | CF$_3$SiH$_3$ | −38.3 | −124 | 100 | 10112-11-5 |
| Heptafluoroethanamine | C$_2$F$_5$NF$_2$ | −38.1 | −183 | 171 | 354-80-3 |
| Tetrafluoroallene | CF$_2$=C=CF$_2$ | −38 | | 112 | 461-68-7 |
| Hexafluorooxetane | C$_3$F$_6$O | −38 | | 166 | 425-82-1 |
| Trifluoromethanethiol | CF$_3$SH | −37.99 | −157.11 | 102 | 1493-15-8 |
| Fluoroethane | CH$_3$CH$_2$F | −37.7 | −143.2 | 48 | 353-36-6 |
| Bis(trifluoromethyl)peroxide | CF$_3$OOCF$_3$ | −37 | | 170 | 927-84-4 |
| Pentafluoropropanenitrile | C$_2$F$_5$CN | −37 | | 145 | 422-04-8 |
| Perfluorodimethylamine | (CF$_3$)$_2$NF | −37 | | 171 | 359-62-6 |
| Octafluoropropane | C$_3$F$_8$ | −36.8 | −147.7 | 188 | 76-19-7 |
| Germanium tetrafluoride | GeF$_4$ | −36.5 | −15 triple | 149 | 7783-58-6 |
| Cyclopropene | C$_3$H$_4$ | −36 | | 40 | 2781-85-3 |
| Trifluoromethyl fluoroformate | CF$_3$OC(O)F | −36 | ≈−120 | 132 | 3299-24-9 |
| Trifluoromethyl isocyanate | CF$_3$NCO | −36 | | 111 | 460-49-1 |
| Tetrafluoro-1,2-diazetidine | C$_2$F$_4$N$_2$H$_2$ | −36 | | 130 | |
| Hydrogen iodide | HI | −35.5 | −50.76 | 128 | 10034-85-2 |
| Pentafluorosulfur hypofluorite | SOF$_6$ | −35.1 | −86 | 162 | 15179-32-5 |
| Difluoromethoxy(trifluoro)methane | CF$_3$OCHF$_2$ | −35.0 | −157 | 136 | 3822-68-2 |
| Propadiene | CH$_2$=C=CH$_2$ | −34.8 | −136 | 40 | 463-49-0 |
| Chlorine | Cl$_2$ | −34.04 | −101.5 | 71 | 7782-50-5 |
| Trifluoromethyl fluoroformate | CF$_3$OC(O)F | −34 | | 132 | 3299-24-9 |
| Diboron tetrafluoride | B$_2$F$_4$ | −34 | −56 | 98 | 13965-73-6 |
| Ammonia | NH$_3$ | −33.33 | −77.73 | 17 | 7664-41-7 |
| Hexafluorocyclopropane | -CF$_2$CF$_2$CF$_2$- | −33 | −80 | 150 | 931-91-9 |
| Trifluoronitromethane | CF$_3$NO$_2$ | −32 | | 115 | 335-02-4 |
| Dichlorodifluorosilane | SiCl$_2$F$_2$ | −32 | −44 | 137 | 18356-71-3 |
| (Difluoroamino)difluoroacetonitrile | NF$_2$CF$_2$CN | −32 | | 128 | 5131-88-4 |
| Hexafluoromethanediamine | (NF$_2$)$_2$CF$_2$ | −31.9 | −161.9 | 154 | 4394-93-8 |
| Bis(trifluoromethyl)diazene trans | CF$_3$NNCF$_3$ | −31.1 | | 166 | 372-63-4 |
| Cyclopropane | C$_3$H$_6$ | −31 | −127.6 | 42 | 75-19-4 |
| Chlorosilane | SiH$_3$Cl | −30.4 | −118 | 66.5 | 13465-78-6 |
| Hexafluoropropylene | CF$_2$=CFCF$_3$ | −30.2 | −156.6 | 150 | 116-15-4 |
| Chloroacetylene | HCCCl | −30 | −126 | 60.5 | 593-63-5 |
| Methyltrifluorosilane | CH$_3$SiF$_3$ | −30 | −73 | 100 | 373-74-0 |
| Fluorine azide | FN$_3$ | −30 | −139 | 61.019 | 14986-60-8 |
| Dichlorodifluoromethane | CCl$_2$F$_2$ | −29.8 | −157.7 | 121 | 75-71-8 |
| 2,3,3,3-Tetrafluoropropene | CF$_3$CF=CH$_2$ | −29.5 | −152.2 | 114 | 754-12-1 |
| Tetrafluorodiaziridine | CF$_4$N$_2$ | −29 | | 116 | 17224-09-8 |
| fluoroxypentafluoroselenium | F$_5$SeOF | −29 | −54 | 209 | 27218-12-8 |
| Perfluorooxetane | C$_3$OF$_6$ | −28.6 | −117 | 166 | 425-82-1 |
| Chlorotrifluoroethene | CClF=CF$_2$ | −28.3 | −158.14 | 116.5 | 79-38-9 |
| Methyldifluorophosphine | CH$_3$PF$_2$ | −28 | −110 | 84 | 753-59-3 |
| Perfluoroacetone | CF$_3$COCF$_3$ | −27.4 | −125.45 | 166 | 684-16-2 |
| Trifluoro(trifluoromethyl)oxirane | C$_2$OF$_3$CF$_3$ | −27.4 | −144 | 166 | 428-59-1 |
| Thiazyl trifluoride | N≡SF$_3$ | −27.1 | −72.6 | 103 | 15930-75-3 |
| Trifluoroacetyl chloride | CF$_3$COCl | −27 | −146 | 132.5 | 354-32-5 |
| 3,3,3-Trifluoropropene | CF$_3$CH=CH$_2$ | −27 | | 96 | 677-21-4 |
| Phosphonium chloride | PH$_4$Cl | −27 sub | | 70.5 | 24567-53-1 |
| Formyl fluoride | HCOF | −26.5 | −142.2 | 48 | 1493-02-3 |
| 1,1,1,2-Tetrafluoroethane | CF$_3$CH$_2$F | −26.1 | −103.296 | 102 | 811-97-2 |
| Trifluoromethyl trifluorovinyl ether | CF$_3$OCF=CF$_2$ | −26 | | 166 | 1187-93-5 |
| Methyl trifluoromethyl ether | CF$_3$OCH$_3$ | −25.2 | −149.1 | 100 | 421-14-7 |
| Bis(trifluoromethyl)nitroxide | (CF$_3$)$_2$NO | −25 | −70 | 168 | 2154-71-4 |
| Sulfur cyanide pentafluoride | SF$_5$CN | −25 | −107 | 153 | 1512-13-6 |
| Dimethyl ether | CH$_3$OCH$_3$ | −24.8 | −141.49 | 46 | 115-10-6 |
| 1,1,1,4,4,4-Hexafluoro-2-butyne | CF$_3$C≡CCF$_3$ | −24.6 | −117.4 | 162 | 692-50-2 |
| 1-Chloro-1-fluoroethene | CClF=CH$_2$ | −24.1 | | 80.5 | 2317-91-1 |
| 1,1-Difluoroethane | CHF$_2$CH$_3$ | −24.05 | −118.6 | 66 | 75-37-6 |
| 2-Fluoropropene | CH$_3$CF=CH$_2$ | −24 | | 60 | 1184-60-7 |
| Borirane | C$_2$H$_4$BH | −24 | −129 | 40 | 39517-80-1 |
| Chloromethane | CH$_3$Cl | −23.8 | −97.4 | 50.5 | 74-87-3 |
| Trifluoronitrosoethylene | CF$_2$=CFNO | −23.7 | | 111 | 2713-04-4 |
| Pentafluoro(trifluoromethoxy)ethane | C$_2$F$_5$OCF$_3$ | −23.6 | | 204 | 665-16-7 |
| Difluoramine [de] | NHF$_2$ | −23.6 | −116 | 53 | 10405-27-3 |
| 1,1-Difluorocyclopropane | CF$_2$CH$_2$CH$_2$ | −23.5 | | 78 | 558-29-2 |
| Propyne or methylacetylene | CH$_3$CCH | −23.2 | −103.0 | 40 | 74-99-7 |
| Diazomethane | CH$_2$N$_2$ | −23 | −145 | 42 | 334-88-3 |
| Methylgermane | CH$_3$GeH$_3$ | −23 | −158 | 91 | 1449-65-6 |
| Prop-1-en-1-one or methylketene | CH$_3$CH=CO | −23 | −80 | 56 | 6004-44-0 |
| Vinylsilane | CH$_2$=CHSiH$_3$ | −22.8 | | 58 | 7291-09-0 |
| Trifluoroiodomethane | CF$_3$I | −22.5 | −110 | 196 | 2314-97-8 |
| Ethynylsilane | HC≡CSiH$_3$ | −22.5 | | 56 | 1066-27-9 |
| Hexafluoro-1,3-dioxolane | c-CF2OCF2OCF2- | −22.1 | | 182.02 | 21297-65-4 |
| Chloromethane sulfonyl chloride | CH$_2$ClS(O)(O)Cl | −22 | | 149 | 3518-65-8 |
| Trifluoromethyl peroxychloride | CF$_3$OOCl | −21.9 | −132 | 136.5 | 32755-26-3 |
| Carbonyl selenide | COSe | −21.7 | −124.4 | 107 | 1603-84-5 |
| Trifluoromethanesulfonyl fluoride | CF$_3$SOF | −21.7 | | 136 | 335-05-7 |
| Chlorine trifluoride dioxide | ClO$_2$F$_3$ | −21.6 | −81.2 | 124.5 | 38680-84-1 |
| Carbonyl bromide fluoride | COBrF | −21 | | 127 | 753-56-0 |
| Bromopentafluoroethane | C$_2$BrF$_5$ | −21 | | 199 | 354-55-2 |
| Cyanogen | NCCN | −21 | −27.83 | 52 | 460-19-5 |
| Methoxysilane | CH$_3$OSiH$_3$ | −21 | −98.5 | 62 | 2171-96-2 |
| 1,1,3,3,3-Pentafluoropropene | CF$_2$=CHCF$_3$ | −21 | -153 | 132 | 690-27-7 |
| Carbonyl bromide fluoride | CBrFO | −20.6 | | 127 | 753-56-0 |
| Trifluoromethylsulfur pentafluoride | CF$_3$SF$_5$ | −20.4 | −87 | 196 | 373-80-8 |
| Chlorotrifluorogermane | GeClF$_3$ | −20.3 | −66.2 | 165.5 | 14188-40-0 |
| Trimethylborane | (CH$_3$)$_3$B | −20.2 | −159.93 | 56 | 593-90-8 |
| Dimethylsilane | (CH$_3$)$_2$SiH$_2$ | −20 | −150 | 60 | 1111-74-6 |
| 1,1,2,2-Tetrafluoroethane | CHF$_2$CHF$_2$ | −19.9 | −89 | 102 | 359-35-3 |
| Formaldehyde | H$_2$CO | −19.1 | −92 | 30 | 50-00-0 |
| Hexafluorodisilane | SiF$_3$SiF$_3$ | −19.1 | −18.7 triple | 170 | 13830-68-7 |
| Sulfur chloride pentafluoride | SClF$_5$ | −19.05 | −64 | 158.5 | 13780-57-9 |
| 1-Chloro-2,2-difluoroethene | CHCl=CF$_2$ | −18.8 | −138.5 | 98.5 | 359-10-4 |
| E-1,2,3,3,3-Pentafluoropropene | CFH=CFCF$_3$ | −18.7 | | 132 | 5595-10-8 |
| 1,1,1,2,2-Pentafluoropropane | CF$_3$CF$_2$CH$_3$ | −18 | | 133 | 1814-88-6 |
| Hexafluoropropene | CF$_2$=CFCF$_3$ | −18 | −153 | 150 | 116-15-4 |
| Fluoral | CF$_3$CHO | −18 | | 98 | 75-90-1 |
| 2-Chloro-1,1-difluoroethylene | CF2=CHCl | −17.7 | −138.5 | 98 | 359-10-4 |
| Difluoroamino sulfur pentafluoride | NF$_2$SF$_5$ | −17.5 | | 179 | 13693-10-2 |
| Stibine | SbH$_3$ | −17 | −88 | 125 | 7803-52-3 |
| 1,1,2,2,3,3,3-Heptafluoropropane | CF$_2$HCF$_2$CF$_3$ | −17 | −148.5 | 170 | 2252-84-8 |
| 1,1,1,2,3,3,3-Heptafluoropropane | CF$_3$CHFCF$_3$ | −16.34 | −126.8 | 170 | 431-89-0 |
| Phosphorus(III) bromide difluoride | PBrF$_2$ | −16.1 | −133.8 | 149 | 15597-40-7 |
| Methylphosphine | CH$_3$PH$_2$ | −16 | | 48 | 593-54-4 |
| Fluorine perchlorate | FOClO$_3$ | −16 | −167.3 | 118.5 | 10049-03-3 |
| Bis(trifluoromethyl) trioxide | CF$_3$OOOCF$_3$ | −16 | −138 | 186 | |
| 1,3,3,3-Tetrafluoropropene | CF$_3$CH=CHF | −16 | −104.53 | 114 | 1645-83-6 |
| N,N-Difluoromethanamine | CH$_3$NF$_2$ | −15.9 | −114.8 | 67 | 753-58-2 |
| 1-Trifluoromethyl-1,2,2-trifluorocyclopropane | CF$_3$C$_3$H$_2$F$_3$ | −15.8 | | 152 | |
| Disiloxane | (SiH$_3$)$_2$O | −15.2 | −144 | 78 | 13597-73-4 |
| cis-1-Fluoropropene | CH$_3$CH=CHF | −15 | | 60 | 19184-10-2 |
| trans-1-Fluoropropene | CH$_3$CH=CHF | −15? | | 60 | 20327-65-5 |
| Nitryl chloride | NO$_2$Cl | −15 | −145 | 81.5 | 13444-90-1 |
| Chlorazide | ClN$_3$ | −15 | −100 | 77.47 | 13973-88-1 |
| Disilane | Si$_2$H$_6$ | −14.8 | −129.4 | 62 | 1590-87-0 |
| Z-1,2,3,3,3-Pentafluoropropene | CHF=CFCF$_3$ | −14.7 | | 132 | 5528-43-8 |
| Bromodifluoromethane | CHBrF$_2$ | −14.6 | −145 | 131 | 1511-62-2 |
| Chloroethene | CH$_2$=CHCl | −13.8 | −153.84 | 62.5 | 75-01-4 |
| Monoethylsilane | CH$_3$CH$_2$SiH$_3$ | −13.7 | −180 | 60 | 2814-79-1 |
| Chlorine pentafluoride | ClF$_5$ | −13.1 | −103 | 130.5 | 13637-63-3 |
| Perfluorocyclopropene | -CF=CFCF2- | −13 | −60 | 112 | 19721-29-0 |
| 1,1,1-Trifluoropropane | CF$_3$CH$_2$CH$_3$ | −13 | | 98 | 421-07-8 |
| 1-Chloro-1,1,2,2-tetrafluoroethane | CClF$_2$CHF$_2$ | −13 | −117 | 135.5 | 354-25-6 |
| Carboimidic difluoride | CF$_2$NH | −13 dec | −90 | 65 | 2712-98-3 |
| Plumbane | PbH$_4$ | −13 | | 211 | 15875-18-0 |
| Methyl nitrite | CH$_3$NO$_2$ | −12 | −16 | 61 | 624-91-9 |
| Trifluoromethylarsine | CF$_3$AsH$_2$ | −12 | | 146 | 420-42-8 |
| 1-Chloro-1,2,2,2-tetrafluoroethane | CHClFCF$_3$ | −11.96 | −199.15 | 136.5 | 2837-89-0 |
| Isobutane | (CH$_3$)$_2$CHCH$_2$ | −11.7 | −159.42 | 58 | 75-28-5 |
| Trifluoromethoxy sulfur pentafluoride | CF$_3$OSF$_5$ | −11 | −143 | 212 | 1873-23-0 |
| Thiothionyl fluoride | SSF$_2$ | −10.6 | −164.6 | 102 | 101947-30-2 |
| Sulfur dioxide | SO$_2$ | −10.05 | −75.5 | 64 | 7446-09-5 |
| Pentafluorocyclopropane | -CHFCF$_2$CF$_2$- | −10 | −10 | 132 | 872-58-2 |
| 2-Fluoropropane | CH$_3$CHFCH$_3$ | −10 | | 62 | 420-26-8 |
| Pentafluoroethyl hypochlorite | C$_2$F$_5$OCl | −10± | | 170.5 | 22675-67-8 |
| Fluoroformyl sulfurpentafluoride | SF$_5$C(O)F | −10 | | 174 | |
| Trifluoromethyl fluoroformyl peroxide | CF$_3$OOC(O)F | ~−10 | | 148 | 16118-40-4 |
| Perfluorodimethoxymethane | CF$_3$OCF$_2$OCF$_3$ | −10 | −161 | 220 | 53772-78-4 |
| 1-Chloro-1,1-difluoroethane | CClF$_2$CH$_3$ | −9.6 | −130.8 | 100.5 | 75-68-3 |
| Chlorofluoromethane | CH$_2$ClF | −9.1 | −133.0 | 68.5 | 593-70-4 |
| Pentafluoroethyl isocyanate | C$_2$F$_5$NCO | −9 | | 157 | 356-74-1 |
| Bis(trifluoromethyl)chloramine | (CF$_3$)$_2$NCl | −9 | | 187.5 | |
| Selenium dioxydifluoride | SeO$_2$F$_2$ | −8.4 | −99.5 | 149 | 14984-81-7 |
| Fluoro(trifluoro-methyl)diazine | CF$_4$N$_2$O | −7.63 | | 132 | 815-10-1 |
| Isobutene | (CH$_3$)$_2$C=CH$_2$ | −7.0 | −140.7 | 56 | 115-11-7 |
| 3-Fluoropropene | CH$_2$=CHCH$_2$F | −7 | | 60 | 818-92-8 |
| Bis(trifluromethyl)amine | (CF$_3$)$_2$NH | −7 | | 153 | 371-77-7 |
| Ethoxytrifluorosilane | CH$_3$H$_2$OSiF$_3$ | −7 | −122 | 118 | 460-55-9 |
| Trifluoromethylsulfur trifluoride | CF$_3$SF$_3$ | −7 | −110 | 158 | 374-10-7 |
| Perfluoro-2-methyl-1,2-oxazetidine | (CF$_3$-N)CF$_2$CF$_2$O | −6.8 | | 199 | |
| Tris(trifluoromethyl)-amine | (CF$_3$)$_3$N | −6.5 | | 221 | 432-03-1 |
| Methylamine | CH$_3$NH$_2$ | −6.4 | −93.42 | 31 | 74-89-5 |
| 1-Butene | CH$_2$=CHCH$_2$CH$_3$ | −6.3 | −185.33 | 56 | 106-98-9 |
| Diphosphorus tetrafluoride | P$_2$F$_4$ | −6.2 | −86.5 | 138 | 13824-74-3 |
| Chloryl fluoride | ClO$_2$F | −6 | −115 | 86.5 | 13637-83-7 |
| Trifluoromethyl iminosulfur difluoride | CF$_3$N=SF$_2$ | −6 | | 153 | 1512-14-7 |
| Perfluorocyclobutane | -CF$_2$CF$_2$CF$_2$CF$_2$- | −5.91 | −40.16 | 200 | 115-25-3 |
| Perfluoro-2-butene | CF$_3$CCF=CF$_3$ | −5.9 | | 200 | 360-89-4 trans |
| Nitrosyl chloride | ONCl | −5.55 | −59.4 | 65.5 | 2696-92-6 |
| Difluorocarbamoylchloride | CClF$_2$NO | −5.5 | | 115.5 | 16847-30-6 |
| Hexafluoro 1,2-dioxolane | -CF$_2$CF$_2$CF2OO- | −5 | −115.5 | 182.02 | |
| 2,3,3,3-tetrafluoro-2-(trifluoromethyl)-propanenitrile | N≡CCF(CF$_3$)$_2$ | −4.7 | −118 | 195.038 | 42532-60-5 |
| 1,3-Butadiene | CH$_2$=CHCH=CH$_2$ | −4.6 | −108.9 | 54 | 106-99-0 |
| Ethyltrifluorosilane | CH$_3$CH$_2$SiF$_3$ | −4.4 | −105 | 114 | 353-89-9 |
| Difluoro-N-fluoromethanimine | F$_2$C=NF | −4 | | 83 | 338-66-9 |
| 1,1-Dimethyldiborane | (CH$_3$)$_2$B(μ-H)$_2$BH$_2$ | −4 | −150.2 | 56 | 16924-32-6 |
| trans-1-Chloro-2-fluoroethene | CHCl=CHF | −4 | | 80.5 | 2268-32-8 |
| Bromochlorodifluoromethane | CF$_2$ClBr | −3.7 | −159.5 | 165.5 | 353-59-3 |
| N-Nitroso-bis(trifluoromethyl)amine | ONN(CF$_3$)$_2$ | −3.5 | | 182 | |
| Trifluoromethyl 1,1,2,2-tetrafluoroethyl ether | CF$_3$OCF$_2$CF$_2$H | −3.3 | −141 | 186 | 2356-61-8 |
| 1-Fluoropropane | CH$_2$FCH$_2$CH$_3$ | −3.2 | −159 | 62 | 460-13-9 |
| 3-Fluoropropene | CH$_2$CHCH$_2$F | −3 | | 60 | 818-92-8 |
| Dimethylperoxide | CH$_3$OOCH$_3$ | −3 | −100 | 62 | 690-02-8 |
| Trifluoromethyl thionitrite | CF$_3$SNO | −3 | | 131 | |
| Dichlorodifluorogermane | GeCl$_2$F$_2$ | −2.8 | −51.8 | 182 | 24422-21-7 |
| Bromotrifluoroethene | CBrF=CF$_2$ | −2.5 | | 161 | 598-73-2 |
| Trifluoromethane sulfinyl fluoride | CF$_3$SOF | −2.5 | | 136 | 812-12-4 |
| Perfluorobutane | C$_4$F$_{10}$ | −2.1 | −129 | 238 | 355-25-9 |
| Hydrogen telluride | H$_2$Te | −2 | −49 | 130 | 7783-09-7 |
| 1-Chloroheptafluoropropane | CF$_3$CF$_2$CF$_2$Cl | −2 | | 204.5 | 422-86-6 |
| 2-Chloroheptafluoropropane | CF$_3$CFClCF$_3$ | −2 | | 204.5 | 76-18-6 |
| Bis(trifluoromethyl)selenium | (CF$_3$)$_2$Se | −2 | | 217 | 371-79-9 |
| Trifluoromethyl sulfinyl fluoride | CF$_3$S(O)F | −1.6 | | 136 | 812-12-4 |
| 1,1,1,2,2,3-Hexafluoropropane | CF$_3$CF$_2$CFH$_2$ | −1.44 | −98.38 | 152 | 677-56-5 |
| 1,1,1,3,3,3-Hexafluoropropane | CF$_3$CH$_2$CF$_3$ | −1.4 | −93.6 | 152 | 690-39-1 |
| Pentafluoroguanidine | CF$_5$N$_3$ | −1 | | 149 | 10051-06-6 |
| 1,1,2,2-Tetrafluoropropane | CHF$_2$CF$_2$CH$_3$ | −0.8 | −121.1 | 116 | 40723-63-5 |
| Heptafluoronitrosopropane | C$_3$F$_7$NO | −0.7 | | 199 | 354-72-3 |
| Trifluoromethanesulfenylchloride | CF$_3$SCl | −0.6 | | 136.5 | 421-17-0 |
| 1,1,1,2-Tetrafluoropropane | CF$_3$CHFCH$_3$ | −1-0 | | 116 | 421-48-7 |
| 1,1,2,2,3,3-Hexafluoropropane | CHF$_2$CF$_2$CHF$_2$ | −0.3 | −98.38 | 152 | 680-00-2 |
| Butane | C$_4$H$_{10}$ | 0 | −140 | 58 | 106-97-8 |
| 2,2-Difluoropropane | CH$_3$CF$_2$CH$_3$ | 0 | −104.8 | 80 | 420-45-1 |
| Perfluoroisobutane | C$_4$F$_{10}$ | 0 | | 238 | 354-92-7 |
| Nitrosyl bromide | NOBr | 0 | −56 | 110 | 13444-87-6 |
| Xenon tetroxide | XeO$_4$ | 0 dec | −35.9 | 195 | 12340-14-6 |
| Trifluoromethylsulfonyl hypofluorite | CF$_3$SO$_2$OF | 0 | −87 | 168 | |
| Trifluoromethyl chloroformate | CF$_3$OC(O)Cl | 0 | | 148.5 | 23213-83-4 |
| Decafluorodiethyl ether | CF$_3$CF$_2$OCF$_2$CF$_3$ | 0 | | 254 | 358-21-4 |
| Perfluorocyclobutanone | -CF$_2$CF$_2$CF$_2$C(O)- | 0 | | 178 | 699-35-4 |
| Trifluoromethyl peroxonitrate | CF$_3$OONO$_2$ | 0.4 | | 147 | 50311-48-3 |
| Thiazyl fluoride | NSF | 0.4 | −89 | 65.07 | 18820-63-8 |
| Perfluorotetrahydrofuran | -OCF$_2$CF$_2$CF$_2$CF$_2$- | 0.6 | −85 | 216 | 773-14-8 |
| pentafluorotellurium hypofluorite | F$_5$TeOF | 0.6 | | | |
| Tetrafluoro(trifluoromethylimino)-λ$^6$-sulfane | F$_4$S=NCF$_3$ | 0.75±0.25 | | 191 | |
| trans-2-Butene | CH$_3$CH=CHCH$_3$ | 0.9 | −43.3 | 56 | 624-64-6 |
| Methylcyclopropane | CH$_3$CHCH$_2$CH$_2$ | 1 | −177.2 | 56 | 594-11-6 |
| Bis(trifluoromethyl)phosphine | (CF$_3$)$_2$PH | 1 | | 170 | |
| Oxalyl fluoride | CFOCFO | 1±1 | −12.42 | 94 | 359-40-0 |
| Methylstannane | CH$_3$SnH$_3$ | 1.4 | | 137 | 1631-78-3 |
| Azomethane | CH$_3$N=NCH$_3$ | 1.5 | −78 | 58 | 503-28-6 |
| 1,1,2,3,3-Pentafluoropropene | CF$_2$=CFCHF$_2$ | 1.5 | −101.2 | 132 | 433-66-9 |
| Bromosilane | SiH$_3$Br | 1.9 | −94 | 111 | 13465-73-1 |
| Methylarsine | CH$_3$AsH$_2$ | 2 | −143 | 92 | 593-52-2 |
| Hexafluorocyclobutene | C$_4$F$_6$ | 2 | −60 | 162 | 697-11-0 |
| Chlorine monoxide | Cl$_2$O | 2.2 | −120.6 | 87 | 7791-21-1 |
| Cyclobutene | C$_4$H$_6$ | 2.5 | | 54 | 822-35-5 |
| Difluorodimethylsilane | (CH$_3$)$_2$SiF$_2$ | 2.5 | −87.5 | 96 | 353-66-2 |
| 1,1,1-Trifluoroazomethane | CF$_3$NNCH$_3$ | 2.5 | | 112 | 690-21-1 |
| dichorotrifluorophosphorane | PCl$_2$F$_3$ | 2.5 | −124 | 159 | 13659-65-9 |
| Trimethylamine | (CH$_3$)$_3$N | 2.8 | −117.1 | 59 | 75-50-3 |
| 1,1-Dichloro-1,2,2,2-tetrafluoroethane | CCl$_2$FCF$_3$ | 3 | −56.6 | 152 | 374-07-2 |
| Sulfur bromide pentafluoride | SBrF$_5$ | 3.1 | −79 | 207 | 15607-89-3 |
| 1,1,2-Trifluoroethane | CHF$_2$CH$_2$F | 3.5 | −84 | 84 | 430-66-0 |
| 1,2-Dichloro-1,1,2,2-tetrafluoroethane | CClF$_2$CClF$_2$ | 3.6 | −92.52 | 171 | 76-14-2 |
| cis-2-Butene | CH$_3$CH=CHCH$_3$ | 3.72 | −138.9 | 56 | 590-18-1 |
| Phosphorus dihydride trifluoride | PH$_2$F$_3$ | 3.9 | −52 | 90 | |
| Bromomethane | CH$_3$Br | 4 | −93.66 | 95 | 74-83-9 |
| 1,2-Dimethyldiborane | [(CH$_3$)BH$_2$]$_2$ | 4 | −124.9 | 56 | 17156-88-6 |
| Selenium chloride pentafluoride | SeClF$_5$ | 4.5 | −19 | 209.5 | 34979-62-9 |
| 1,1,4,4-Tetrafluoro-1,3-butadiene | CF$_2$=CFCF=CF$_2$ | 4.5± | | 162 | 407-70-5 |
| Trifluoromethyl phosphorodifluoridate | CF$_3$OP(O)F$_2$ | 4.6 | −96.2 | 170 | 39125-43-4 |
| Bromoacetylene | C$_2$HBr | 4.7 | | 105 | 593-61-3 |
| Iodine heptafluoride | IF$_7$ | 4.8 | 6.5 triple | 250 | 16921-96-3 |
| Dimethylchloroborane | (CH$_3$)$_2$BCl | 4.9 | −39.9 | 76.5 | 1803-36-7 |
| Perfluoro-1-butene | CF$_3$CF$_2$CF=CF$_2$ | 5 | | 200 | 357-26-6 |
| Pentafluorosulfanyl cyanate | F$_5$SOCN | 5-5.5 | −60 | 169 | |
| 1,1,2,3,4,4-Hexafluoro-1,3-butadiene | CF$_2$CFCFCF$_2$ | 5.4 | −132 | 162 | 685-63-2 |
| Bis(difluoromethyl) ether | CHF$_2$OCHF$_2$ | 5.5 | | 118 | 1691-17-4 |
| Methyl pentafluoroethyl ether | CH$_3$OC$_2$F$_5$ | 5.6 | | 140 | 22410-44-2 |
| Tris(difluoroamine)fluoromethane | (NF$_2$)$_3$CF | 5.6 | −136.9 | 187 | 14362-68-6 |
| Perfluoro ethyl methyl ether | C$_2$F$_5$OCF$_3$ | 5.61 | | 204 | |
| 1-Bromo-2,2-difluoro-ethylene | CHBr=CF$_2$ | 5.7 | | 143 | |
| Perfluoro-1,3-butadiene | CF$_2$=CFCF=CF$_2$ | 5.8 | −132 | 162 | 685-63-2 |
| Methanethiol | CH$_3$SH | 5.95 | −123 | 48 | 74-93-1 |
| 1-Buten-3-yne | CH$_2$CHC≡CH | 6 | | 54 | 689-97-4 |
| Methoxyethane | CH$_3$OC$_2$H$_5$ | 6 | −113 | 60 | 540-67-0 |
| Methyl vinyl ether | CH$_3$OCH=CH$_2$ | 6 | −122 | 58 | 107-25-5 |
| 1,1,1-Trifluoro-2-chloroethane | CF$_3$CH$_2$Cl | 6.1 | −105.5 | 118.5 | 75-88-7 |
| 1,1,1,2,3,3-Hexafluoropropane | CF$_3$CH$_2$CF$_3$ | 6.2 | | 152 | 431-63-0 |
| Phosphorothioic chloride difluoride | PSClF$_2$ | 6.3 | −155.2 | 136.5 | 2524-02-9 |
| Perfluoro-2-methoxypropionylfluoride | CF$_3$OCF(CF$_3$)C(O)F | 5-8 | | 232 | |
| Trimethylsilane | (CH$_3$)$_3$SiH | 6.7 | −153.9 | 74 | 993-07-7 |
| Carbon suboxide | OCCCO | 6.8 | −111.3 | 68 | 504-64-3 |
| 2-Chloropentafluoropropene | CF$_3$CCl=CF$_2$ | 6.8 | | 166.5 | 2804-50-4 |
| dimethylgermane | CH$_3$GeH$_2$CH$_3$ | 7.0 | | 104.72 | 1449-64-5 |
| Perfluoroisobutene | (CF$_3$)$_2$C=CF$_2$ | 7 | −130 | 200 | 382-21-8 |
| Pentafluoroethyl trifluorovinyl ether | CF$_3$CF$_2$OCFCF$_2$ | 7 | | 216 | 10493-43-3 |
| 1,1-Difluoropropane | CHF$_2$CH$_2$CH$_3$ | 7-8 | | 80 | 430-61-5 |
| 1,1,1,2,4,4,4-Heptafluoro-2-butene | CF$_3$CF=CHCF$_3$ | 7-8 | | 182 | |
| Chloromethylsilane | CH$_3$ClSi | 7 | −135 | 78.5 | 993-00-0 |
| Fluoromethyldifluoroborane | CH$_2$FBF$_2$ | 7 | −47 | 82 | |
| Nitryl cyanide | NCNO$_2$ | 7 | −85 | 72 | 105879-05-8 |
| Silylgermane | GeH$_3$SiH$_3$ | 7.0 | −119.7 | 107 | 13768-63-3 |
| Phosphorus(V) dichloride trifluoride | PCl$_2$F$_3$ | 7.1 | −125 | 159 | 13454-99-4 |
| Sulfuryl chloride fluoride | SO$_2$ClF | 7.1 | −124.7 | 118.5 | 13637-84-8 |
| Dimethylamine | (CH$_3$)$_2$NH | 7.3 | −93 | 45 | 124-40-3 |
| 3-Chloropentafluoropropene | CF$_2$ClCF=CF$_2$ | 7.4 | | 166.5 | 79-47-0 |
| Phosgene | COCl$_2$ | 7.5 | −127.77 | 99 | 75-44-5 |
| Chloropentafluoroacetone | CClF$_2$COCF$_3$ | 7.8 | −133 | 182.5 | 79-53-8 |
| 1-Butyne | CH$_3$CH$_2$C≡CH | 8.08 | −125.7 | 54 | 107-00-6 |
| Dichlorosilane | SiH$_2$Cl$_2$ | 8.3 | −122 | 101 | 4109-96-0 |
| trans-1,1,1,4,4,4-hexafluoro-2-butene | CF$_3$CH=CHCF$_3$ | 8.5 | | 164 | 407-60-3 |
| 2-Bromo-1,1,1,2-tetrafluoroethane | CF$_3$CHFBr | 8.65 | | 181 | |
| Methyl chlorosilane | CH$_3$SiH$_2$Cl | 8.7 | −134.1 | 80.5 | 993-00-0 |
| Pentafluorosulfanyl hypochlorite | SF$_5$OCl | 8.9 | | 178.5 | |
| Dichlorofluoromethane | CHCl$_2$F | 8.92 | −135 | 103 | 75-43-4 |
| ethylgermane | CH$_3$CH$_2$GeH$_3$ | 9.2 | | 104.66 | |
| Neopentane | (CH$_3$)$_4$C | 9.5 | −16.5 | 72 | 463-82-1 |
| Trifluoromethylperchlorate | CF$_3$OClO$_3$ | 9.5 | | 168.5 | 52003-45-9 |
| 1,3-Butadiyne | HC≡CC≡CH | 10 | −35 | 50 | 460-12-8 |
| N-Nitroso-O,N-bis(trifluoromethyl)-hydroxylamine or O-Nitroso-bis(trifluoromethy1)hydroxylamine | CF$_3$(CF$_3$O)NNO or (CF$_3$)$_2$NONO | 10 | | 198 | 367-54-4 |
| Ethylene oxide | CH$_2$OCH$_2$ | 10.4 | −112.46 | 44 | 75-21-8 |
| 1,2-Difluoroethane | CH$_2$FCH$_2$F | 10.5 | −118.6 | 66 | 624-72-6 |
| 1,2-Butadiene | CH$_3$CH=C=CH$_2$ | 11 | −136.20 | 54 | 590-19-2 |
| Dichloromethylborane | CH$_3$BCl$_2$ | 11 | | 97 | 7318-78-7 |
| Chlorine dioxide | ClO$_2$ | 11 | −59 | 67.5 | 10049-04-4 |
| 2-Chloro-2,3,3,3-tetrafluoropropanoyl fluoride | CF$_3$CFClC(O)F | 11 | | 182.5 | 28627-00-1 |
| Methyl trifluorovinyl ether | CH$_3$OCF=CF$_2$ | 11 | | 112 | 3823-94-7 |
| Trifluoromethyl hydroperoxide | CF$_3$OOH | 11.3 | | 102 | 16156-36-8 |
| Methyl trifluoromethyl sulfide | CH$_3$SCF$_3$ | 11.5 | | 116 | 421-16-9 |
| Chlorine trifluoride | ClF$_3$ | 11.75 | −76.34 | 92.5 | 7790-91-2 |
| 1-bromoheptafluoropropane | CF$_3$CF$_2$CF$_2$Br | 12 | | 249 | 422-85-5 |
| Tert-butylfluoride | (CH$_3$)$_3$CF | 12 | | 76 | 353-61-7 |
| 1,1,1,2,2,3,3,4,4-Nonafluorobutane | CF$_3$CF$_2$CF$_2$CF$_2$H | 12 | | 220 | 375-17-7 |
| 2-Fluoro-2-methylpropane | CH$_3$(CH$_3$)CFCH$_3$ | 12.1 | | 76 | 353-61-7 |
| Trichlorofluorosilane | SiCl$_3$F | 12.25 | | 153.5 | 14965-52-7 |
| Chloroethane | CH$_3$CH$_2$Cl | 12.27 | −138 | 64.5 | 75-00-3 |
| Pentafluoroiodoethane | CF$_3$CF$_2$I | 12.5 | −92 | 246 | 354-64-3 |
| Cyclobutane | C$_4$H$_8$ | 12.5 | −90.7 | 56 | 287-23-0 |
| 1,1-difluoro-N-(pentafluoro-λ$^6$-sulfanyl)methanimine | F$_5$SN=CF$_2$ | 12.5±0.5 | | 191 | |
| 2-diazo-1,1,1,3,3,3-hexafluoropropane | (CF$_3$)$_2$CN$_2$ | 12.5±0.5 | | 178 | 684-23-1 |
| Silylphosphine | SiH$_3$PH$_2$ | 12.7 | | 64 | 14616-47-8 |
| Cyanogen chloride | ClCN | 13 | −6.55 | 61.5 | 506-77-4 |
| trans-1-Bromo-1,2-difluoroethylene | CBrF=CFH | 13 | | 143 | 358-99-6 |
| Trifluoromethyl phosphine | CF$_3$PH$_2$ | 13.1 | | 102 | 420-52-0 |
| 2,2,2-Trifluorodiazoethane | CF$_3$CHNN | 13.2 | | 91 | 371-67-5 |
| 2-Chloro-1,1,1,2-tetrafluoropropane HCFC-244bb | CF$_3$CClFCH$_3$ | 13.23 | | 150.5 | 421-73-8 |
| Pentafluoroethyl sulfur pentafluoride | C$_2$F$_5$SF$_5$ | 13.5 | | 246 | |
| Phosphorus(III) dichloride fluoride | PCl$_2$F | 13.85 | −144 | 121 | 15597-63-4 |
| 2-Chloro-1,1,1,3,3,3-hexafluoropropane | CF$_3$CHClCF$_3$ | 14 | −120.8 | 186.5 | 51346-64-6 |
| 2-Chloro-3,3,3-trifluoroprop-1-ene | CH$_2$=CClCF$_3$ | 14 | | 130.5 | 2730-62-3 |
| 2-(Pentafluorothio)-3,3-difluorooxaziridine | SF$_5$(-NCF$_2$O-) | 14.0 | | 207 | 73002-62-7 |
| Difluoro(difluorochloromethyl)amine | CClF$_2$NF$_2$ | 14.14 | | 137.5 | 13880-71-2 |
| Nitrosyl bromide | ONBr | 14.5 | | 110 | 13444-87-6 |
| Hexafluoroisobutylene | (CF$_3$)$_2$C=CH$_2$ | 14.5 | | 164 | 382-10-5 |
| N,N-Difluoroethylamine | CH$_3$CH$_2$NF$_2$ | 14.9 | −150.3 | 81 | 758-18-9 |
| Disulfur difluoride | FSSF | 15 | −133 | 102 | 13709-35-8 |
| cis-1-Chloro-2-fluoroethene | CHCl=CHF | 15 | | 80.5 | 2268-31-7 |
| (Z)-1-chloro-2,3,3,3-tetrafluoropropene | CHCl=CFCF$_3$ | 15 | | 148.5 | 111512-60-8 |
| 1,1,1,3,3-Pentafluoropropane | CF$_3$CH$_2$CHF$_2$ | 15.14 | −102.10 | 134 | 460-73-1 |
| Trifluoromethyl phosphorodifluoroperoxoate | CF$_3$OOP(O)F$_2$ | 15.5 | −88.6 | 167 | 39125-42-3 |
| (Trifluoroacetyl)sulfur pentafluoride | CF$_3$C(O)SF$_5$ | 15.6 | −112 | 224 | 82390-51-0 |
| Vinyl bromide | CH$_2$=CHBr | 15.8 | −137.8 | 107 | 593-60-2 |
| Bis(fluorocarbonyl) peroxide | CF(O)OOCFO | 15.9 | −42.5 | 126 | 692-74-0 |
| 1-Chloro-1,1,2-trifluoroethane | CClF$_2$CH$_2$F | 16 | | 118.5 | 421-04-5 |
| cis-1-Bromo-1,2-difluoroethylene | CBrF=CHF | 16 | | 143 | |
| 1-Fluoro-2-methylpropane | CH$_2$FCHCH$_3$CH$_3$ | 16 | | 76 | 359-00-2 |
| Difluoromethyl 1,1,2-trifluoroethyl ether | CHF$_2$OCF$_2$CH$_2$F | 16.14 | | 150 | 69948-24-9 |
| 1-Chloro-1-fluoroethane | CHClFCH$_3$ | 16.15 | | 82.5 | 1615-75-4 |
| Fluorotrimethylsilane | (CH$_3$)$_3$SiF | 16.4 | −74.3 | 92 | 420-56-4 |
| Bis(trifluoromethyl)nitramine | (CF$_3$)$_2$NNO$_2$ | 16.4 | | 198 | |
| Hexafluoroacetone imine | CF$_3$C(=NH)CF$_3$ | 16.5± | −47 | 165 | 1645-75-6 |
| Dichloro(trifluoromethyl)amine | CF$_3$NCl$_2$ | 16.6 | | 154 | 13880-73-4 |
| Ethylamine | CH$_3$CH$_2$NH$_2$ | 16.6 | −81 | 45 | 75-04-7 |
| 1,1,1-Trifluorobutane | CF$_3$CH$_2$CH$_2$CH$_3$ | 16.74 | −114.79 | 112 | 460-34-4 |
| Bismuthine | BiH$_3$ | 17 | −67 | 212 | 18288-22-7 |
| 2,2,3,3-Tetrafluorobutane | CH$_3$CF$_2$CF$_2$CH$_3$ | 17 | | 130 | |
| tris(trifluoromethyl)phosphine | (CF$_3$)$_3$P | 17 | | 238 | 432-04-2 |
| Tungsten hexafluoride | WF$_6$ | 17.1 | 1.9 | 294 | 7783-82-6 |
| 1-Chloro-1,2,2-trifluoroethane | CHClFCHF$_2$ | 17.3 | | 99.5 | 431-07-2 |
| Bis (trifluoromethyl) carbamyl fluoride | (CF$_3$)$_2$NC(O)F | 17.5±2.5 | | 199 | |
| Ethyl nitrite | C$_2$H$_5$NO$_2$ | 17.5 | | 75 | 109-95-5 |
| Tetraborane(10) | B$_4$H$_{10}$ | 18 | −120 | 54 | 18283-93-7 |
| trifluoro-(sulfinylamino)methane | CF$_3$N=S=O | 18 | | 131 | 10564-49-5 |
| F-2,3-dihydro-1,4-dioxin | -CF$_2$CF$_2$OCF=CFO- | 18.5 | | 158 | |
| Bromofluoromethane | CH$_2$BrF | 19 (CRC=23) | | 113 | 373-52-4 |
| Bis(trifluoromethyl)arsine | (CF$_3$)$_2$AsH | 19 | | 214 | |
| 1,1-Dichloro-2,2-difluoroethene | CCl$_2$=CF$_2$ | 19 | −116 | 135 | 79-35-6 |
| Perfluorovinylsulphur pentafluoride | CF$_2$=CFSF$_5$ | 19 | | 208 | 1186-51-2 |
| Difluorotris(trifluoromethyl)phosphorane | (CF$_3$)$_3$PF$_2$ | 19 | | 276 | 661-45-0 |
| trans-1-Chloro-3,3,3-trifluoropropene | CHCl=CHCF$_3$ | 19 | | 130.5 | 102687-65-0 |
| Fluoroformic acid anhydride | FC(O)OC(O)F | 19.2 | −46.2 | 110 | 177036-04-3 |
| Trifluorovinyl isocyanate | CF$_2$=CFNCO | 19.5 | | 123 | 41594-57-4 |
| Hydrogen fluoride | HF | 20 | −83.36 | 20 | 7664-39-3 |
| Bromine monofluoride | BrF | 20 dec | −33 | 99 | 13863-59-7 |
| Perbromyl fluoride | BrO$_3$F | 20 dec | −110 | 147 | 25251-03-0 |
| 1-Chloro-1,1,2,2-tetrafluoropropane | CF$_2$ClCF$_2$CH$_3$ | 20 | | 150.5 | 421-75-0 |
| Perfluorooxaspiro[2.3]hexane | C$_5$F$_8$O | 18-21 | | 228 | |
| pentafluoroethylsulfinyl fluoride | C$_2$F$_5$S(O)F | 20 | | 186 | 20621-31-2 |
| 3-Methyl-1-butene | CH$_2$=CHCH(CH$_3$)$_2$ | 20.1 | −168.41 | 70 | 563-45-1 |
| Acetaldehyde | CH$_3$CHO | 20.2 | −123.37 | 44 | 75-07-0 |
| Chlorotetrafluoro(trifluoromethyl)sulfur | CF$_3$SClF$_4$ | 20.2 | | 212.5 | 42179-04-4 |
| trans-Bis(trifluoromethyl)sulfur tetrafluoride | CF$_3$SF$_4$CF$_3$ | 20.5 | | 246 | 42179-02-2 |
| Decafluorocyclopentane | C$_5$F$_{10}$ | 20.5 | | 250 | 376-77-2 |
| 1,1-Dimethylcyclopropane | (CH$_3$)$_2$CCH$_2$CH$_2$ | 21 | −109.0 | 70 | 1630-94-0 |
| Acetyl fluoride | CH$_3$C(O)F | 21 | −84 | 62 | 557-99-3 |
| Perfluoro-N-methyloxazolidine | CF$_3$-NCF$_2$OCF$_2$CF$_2$- | 21 | | 237 | |
| Bis(trifluoromethyl)cyanoamine | (CF$_3$)$_2$NCN | 21 | | 178 | |
| Bis(trifluoromethyl)sulfur difluoride | (CF$_3$)$_2$SF$_2$ | 21 | | 198 | 30341-38-9 |
| Methaneselenol | CH$_3$SeH | 21 | | 95 | 6486-05-1 |
| Perfluoroethyldimethylamine | C$_2$F$_5$(CF$_3$)$_2$N | 21±1 | | 271 | 815-28-1 |
| cis-1,2-Dichloro-1,2-difluoroethene | CClF=CClF | 21.1 | −119.6 | 133 | 598-88-9 |
| Trifluoromethyl trifluoromethanesulfonate | CF$_3$SO$_2$OCF$_3$ | 21.2 | −108.2 | 218 | 3582-05-6 |
| Dinitrogen tetroxide | N$_2$O$_4$ | 21.15 | −9.3 | 92 | 10544-72-6 |
| Difluoroiodomethane | CHF$_2$I | 21.5 | −122 | 178 | 1493-03-4 |
| Trifluoromethylcyclopropane | C$_5$H$_6$F$_3$CH$_3$ | 21.6 | | 110 | 381-74-8 |
| 1,1,1-Trifluoroacetone | CF$_3$C(O)CH$_3$ | 21.9 | −78 | 112 | 421-50-1 |
| trans-1,2-Dichloro-1,2-difluoroethene | CClF=CClF | 22 | −93.3 | 133 | 27156-03-2 |
| Heptafluoroisopropyl hypochlorite | (CF$_3$)$_2$CFOCl | 22 | | 220.5 | 22675-68-9 |
| Perfluoroazoethane | C$_2$F$_5$NNC$_2$F$_5$ | 22 | | 266 | |
| 1,2,2-Trifluoropropane | CH$_2$FCF$_2$CH$_3$ | 22 | | 98 | 811-94-9 |
| Bis(trifluoromethyl)bromamine | (CF$_3$)$_2$NBr | 22 | | 232 | |
| Bis(trifluoromethyl)sulfide | (CF$_3$)$_2$S | 22.2 | | 170 | 371-78-8 |
| Bis(trifluoromethyl)tellurium | (CF$_3$)$_2$Te | 22.5 | −123 | | |
| 1,1,1,3,3-Pentafluorobutane | CF$_3$CH$_3$CF$_2$CH$_3$ | 22.6 | −34.1 | 149 | 406-58-6 |
| octafluoro-1,4-dioxane | (-CF$_2$CF$_2$OCF$_2$CF$_2$O-) | 22.75±0.25 | | 232 | 32981-22-9 |
| Cyanic acid | HNCO | 23 | −86 | 43 | 420-05-3 |
| 2-Chloropropene | CH$_3$CCl=CH$_2$ | 23 | −137.4 | 76.5 | 557-98-2 |
| 1,2,2,2-Tetrafluoroethyl difluoromethyl ether | CF$_3$CHFOCHF$_2$ | 23 | | 168 | 57041-67-5 |
| 1,1,1,2,3-Pentafluoropropane | CF$_3$CHFCH$_2$F | 23 | | 134 | 431-31-2 |
| 2,2,3,3,4,4,5-Heptafluoro oxolane | -CF$_2$CF$_2$CF$_2$CHFO- | 23 | | 179 | |
| Pentafluoroethyl iminosulfur difluoride | CF$_3$CF$_2$N=SF$_2$ | 23±1 | | 203 | |
| Methoxyacetylene | CH$_3$OC≡CH | 23±0.5 | | 56 | 6443-91-0 |
| Carbonyl fluoride iodide | COFI | 23.4 | | 174 | 1495-48-3 |
| 1,2,2,2-Tetrafluoroethyl difluoromethyl ether | CF$_3$CHFOCHF$_2$ | 23.4 | | 168 | 57041-67-5 |
| Propylsilane | CH$_3$CH$_2$CH$_2$SiH$_3$ | 23.5± | | 78 | 13154-66-0 |
| Trichlorofluoromethane | CCl$_3$F | 23.77 | −110.48 | 137.5 | 75-69-4 |
| 1-Chloro-1,3,3,3-tetrafluoropropene | CF$_3$CH=CFCl | 24 | | 148.5 | 460-71-9 |
| 1,1,2,2-Tetrafluoro-1-nitro-2-nitrosoethane | NO$_2$CF$_2$CF$_2$NO | 24.2 | | 176 | 679-08-3 |
| Germyl methyl ether | GeH$_3$OCH$_3$ | 24.3 | | 107 | 5910-93-0 |
| Dibromodifluoromethane | CBr$_2$F$_2$ | 24.45 | −141.5 | 210 | 75-61-6 |
| Heptafluoro-N-propyl isocyanate | C$_3$F$_7$NCO | 24.5 | | 211 | 87050-96-2 |
| Hexafluorobut-2-yne | CF$_3$C≡CCF$_3$ | 24.6 | −117.4 | 162 | 692-50-2 |
| 1,1,1,4,4,4-Hexafluorobutane | CF$_3$CH$_2$CH$_2$CF$_3$ | 24.6 | | 166 | 407-59-0 |
| Chloroheptafluorocyclobutane | C$_4$ClF$_7$ | 25 | −39.1 | 216.5 | 377-41-3 |
| Dimethylphosphine | (CH$_3$)$_2$PH | 25 | | 62 | 676-59-5 |
| Ethyl phosphine | CH$_3$CH$_2$PH$_2$ | 25 | | 62 | 593-68-0 |
| Octafluorocyclopentene | C$_5$F$_8$ | 25 | | 212 | 559-40-0 |
| 2-Fluorobutane | CH$_3$CHFCH$_2$CH$_3$ | 25 | −121 | 76 | 359-01-3 |

## Known as gas

The following list has substances known to be gases, but with an unknown boiling point.
* Fluoroamine
* Trifluoromethyl trifluoroethyl trioxide CF$_3$OOOCF$_2$CF$_3$ boils between 10 and 20°
* Bis-trifluoromethyl carbonate boils between −10 and +10° possibly +12, freezing −60°
* Difluoroaminosulfinyl fluoride F$_2$NS(O)F is a gas but decomposes over several hours
* Trifluoromethylsulfinyl chloride CF$_3$S(O)Cl
* Nitrosyl cyanide ?−20° blue-green gas 4343-68-4
* Thiazyl chloride NSCl greenish yellow gas; trimerises.

## Possible

This list includes substances that may be gases. However reliable references are not available.
* cis-1-Fluoro-1-propene
* trans-1-Chloropropene ?
* cis-1-Chloropropene ?
* Perfluoro-1,2-butadiene
* Perfluoro-1,2,3-butatriene −5 polymerizes
* Perfluoropent-2-ene
* Perfluoropent-1-ene 29-30°
* Trifluoromethanesulfenylfluoride CF$_3$SF
* Difluorocarbamyl fluoride F$_2$NCOF −52°
* N-Sulfinyltrifluoromethaneamine CF$_3$NSO 18°
* (Chlorofluoromethyl)silane 373-67-1 274.37 K (1.22 °C)
* Difluoromethylsilane 420-34-8 237.56 K (−35.59 °C)
* Trifluoromethyl sulfenic trifloromethyl ester
* Pentafluoro(penta-fluorethoxy)sulfur 900001-56-6 15°
* Ethenol 557-75-5 10.5° = vinyl alcohol (tautomerizes)
* 1,1,1,2,2,3,4,4,4-nonafluorobutane 2-10° melt −129°
* trans-2H-Heptafluoro-2-butene
* Pentafluoroethylhypochlorite around −10°
* Trifluoromethyl pentafluoroethyl sulfide 6° 33547-10-3
* 1,1,1-Trifluoro-N-(trifluoromethoxy)methanamine 671-63-6 0.6°
* 1-Chloro-1,1,2,2,3,3-hexafluoropropane 422-55-9 16.7
* 1-Chloro-1,1,2,3,3,3-hexafluoropropane 359-58-0 17.15
* 2-Chloro-1,1,1,2,3,3-hexafluoropropane 51346-64-6 16.7°
* 3-Chloro-1,1,1,2,2,3-hexafluoropropane 422-57-1 16.7°
* Trifluormethyl 1,2,2,2-tetrafluoroethyl ether 2356-62-9 11°
* 2-Chloro-1,1,1,3,3-pentafluoropropane HFC-235da 134251-06-2 8°
* 1,1,2,3,3-Pentafluoropropane 24270-66-4 −3.77
* 2,2,3,3,4,5,5-Heptafluoro oxolane
* (Heptafluoropropyl)carbonimidic difluoride 378-00-7
* Pentafluoroethyl carbonimidic difluoride 428-71-7
* (Trifluoromethyl)carbonimidic difluoride 371-71-1 CF$_3$N=CF$_2$
* Perfluoro[N-methyl-(propylenamine)] 680-23-9
* Perfluoro-N,N-dimethylvinylamine 13821-49-3
* 3,3,4-Trifluoro-2,4-bis-trifluoromethyl-[1,2]oxazetidine 714-52-3
* Bis(trifluoromethyl) 2,2-difluoro-vinylamine 13747-23-4
* Bis(trifluoromethyl) 1,2-difluoro-vinylamine 13747-24-5
* 1,1,2-Trifluoro-3-(trifluoromethyl)cyclopropane 2967-53-5
* Bis(trifluoromethyl) 2-fluoro-vinylamine 25211-47-6
* 2-Fluoro-1,3-butadiene 381-61-3
* Trifluormethylcyclopropane 381-74-8
* cis-1-Fluoro-1-butene 66675-34-1
* trans-1-Fluoro-1-butene 66675-35-2
* 2-Fluoro-1-butene
* 3-Fluoro-1-butene
* trans-1-Fluoro-2-butene
* cis-2-fluoro-2-butene
* trans-2-fluoro-2-butene
* 1-Fluoro-2-methyl-1-propene
* 3-Fluoro-2-methyl-1-propene
* Perfluoro-2-methyl-1,3-butadiene 384-04-3
* 1,1,3,4,4,5,5,5-Pctafluoro-1,2-pentadiene 21972-01-0

## Near misses

This list includes substances that boil just above standard condition temperatures. Numbers are boiling temperatures in °C.
* 1,1,2,2,3-Pentafluoropropane 25–26 °C
* Dimethoxyborane 25.9 °C
* 1,4-Pentadiene 25.9 °C
* 2-Bromo-1,1,1-trifluoroethane 26 °C
* 1,2-Difluoroethane 26 °C
* Hydrogen cyanide 26 °C
* Trimethylgermane 26.2 °C
* 1,H-Pentafluorocyclobut-1-ene
* 1,H:2,H-hexafluorocyclobutane
* Tetramethylsilane 26.7 °C
* Chlorosyl trifluoride 27 °C
* 2,2-Dichloro-1,1,1-trifluoroethane 27.8 °C
* Perfluoroethyl 2,2,2-trifluoroethyl ether 27.89 °C
* Perfluoroethyl ethyl ether 28 °C
* Perfluorocyclopentadiene C$_5$F$_6$ 28 °C
* 2-Butyne 29 °C
* Digermane 29 °C
* Perfluoroisopropyl methyl ether 29 °C
* Trifluoromethanesulfonyl chloride 29–32 °C
* Perfluoropentane 29.2 °C
* Rhenium(VI) fluoride 33.8 °C
* Chlorodimethylsilane 34.7 °C
* 1,2-Difluoropropane 43 °C
* 1,3-Difluoropropane 40-42 °C
* Dimethylarsine 36 °C
* Spiro[2.2]pentane 39 °C
* Ruthenium(VIII) oxide 40 °C
* Nickel carbonyl 42.1 °C
* Trimethylphosphine 43 °C

## Unstable substances

* Gallane liquid decomposes at 0 °C.
* Nitroxyl and diazene are simple nitrogen compounds known to be gases but they are too unstable and short lived to be condensed.
* Methanetellurol CH$_3$TeH 25284-83-7 unstable at room temperature.
* Sulfur pentafluoride isocyanide isomerises to sulfur pentafluoride cyanide.