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List of gases

Topic: Chemistry

 From HandWiki - Reading time: 25 min
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Boiling liquid oxygen

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.

Name Formula Boiling pt (°C) Melting pt (°C) Molecular weight CAS No
Helium-3 3He −269.96 N/A 3 14762-55-1
Helium-4 4He −268.928 N/A 4 7440-59-7
Hydrogen H2 −252.879 −259.16 2 1333-74-0
Deuterium[1] D2 −249.49 −254.43 4 7782-39-0
Tritium[2] T2 −248.12 −254.54 6 10028-17-8
Neon Ne −246.046 −248.59 20 7440-01-9
Nitrogen N2 −195.795 −210.0 28 7727-37-9
Carbon monoxide CO −191.5 −205.02 28 630-08-0
Fluorine F2 −188.11 −219.67 38 7782-41-4
Argon Ar −185.848 −189.34 40 7440-37-1
Oxygen O2 −182.962 −218.79 32 7782-44-7
Methane CH4 −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 F2O −144.3 −223.8 54 7783-41-7
Tetrafluoromethane CF4 −127.8 −183.6 88 75-73-0
Nitrogen trifluoride NF3 −128.74 −206.79 71 7783-54-2
Silane SiH4 −111.9 −185 32 7803-62-5
trans-Dinitrogen difluoride N2F2 −111.45 −172 66 13776-62-0
Ozone O3 −111.35 −193 48 10028-15-6
Xenon Xe −108.099 −111.75 131 7440-63-3
cis-Dinitrogen difluoride N2F2 −105.75 −195 66 13812-43-6
Ethylene CH2=CH2 −103.7 −169.2 28 74-85-1
Phosphorus trifluoride PF3 −101.8 −151.5 88 7783-55-3
Chlorine monofluoride ClF −101.1 −155.6 54.5 7790-89-8
Boron trifluoride BF3 −99.9 −126.8 68 7637-07-2
Fluorosilane SiH3F −98.6 50 13537-33-2
Trifluorosilane SiHF3 −95 −131 86 13465-71-9
Trifluoromethyl hypofluorite[3] CF3OF −95 −215 104 373-91-1
Diborane B2H6 −92.49 −164.85 28 19287-45-7
3,3-Difluorodiazirine[4] CF2N2 −91.3 78 693-85-6
Acetylene CH≡CH −84.7 −81.5 26 74-86-2
Ethane CH3CH3 −88.5 −182.8 30 74-84-0
Germane GeH4 −88.1 −165 77 7782-65-2
Nitrous oxide N2O −88.48 −90.8 44 10024-97-2
Phosphine PH3 −87.75 −133.8 34 7803-51-2
Trifluoramine oxide NOF3 −87.5 −161 87 13847-65-9
Tetrafluorosilane SiF4 −86 −90.2 104 7783-61-1
Trifluoronitrosomethane CF3NO −85 −196.6 99 334-99-6
Azidotrifluoromethane CF3N3 −85 −152 111 3802-95-7
Hydrogen chloride HCl −85 −114.17 36.5 7647-01-0
1,1-Difluoroethene CF2=CH2 −85.5 −144 64 75-38-7
Phosphorus pentafluoride PF5 −84.6 −93.8 126 7647-19-0
Carbonyl fluoride COF2 −84.5 −111.2 66 353-50-4
Trifluoromethane CHF3 −82.1 −155.2 70 75-46-7
Chlorotrifluoromethane CClF3 −81.5 −181 104.5 75-72-9
Bis(difluoroboryl)methane[3] BF2CF2BF2 −81.4 ? 148 55124-14-6
Trifluoroisocyanomethane CF3NC −80 95 105879-13-8
Difluoromethylborane CH3BF2 −78.5 64 373-64-8
Carbon dioxide CO2 −78.464 sub −56.561 triple 44 124-38-9
Fluoromethane CH3F −78.4 −137.8 34 593-53-3
Hexafluoroethane CF3CF3 −78.1 −100.015 138 76-16-4
Pentafluoromethanamine CF3NF2 −78 −130 121 335-01-3
Difluorosilane SiH2F2 −77.8 −122 68 13824-36-7
Tetrafluoroethene CF2=CF2 −76 −131.14 100 116-14-3
Fluoroacetylene FCCH −74 −196 44 2713-09-9
Tetrafluorohydrazine N2F4 −74 −164.5 104 10036-47-2
Nitryl fluoride NO2F −72.4 −166 65 10022-50-1
Fluoroethene CH2CHF −72 −160.5 46 75-02-5
Chlorotrifluorosilane SiClF3 −70 −138 120.5 14049-36-6
Trifluoroacetonitrile CF3CN −68.8 95 353-85-5
Chlorodifluoroamine NClF2 −67 −195 87.5 13637-87-1
Hydrogen bromide HBr −66.38 −86.80 81 10035-10-6
Difluorophosphine[5] PHF2 −65 −124 70 14984-74-8
Borane carbonyl BH3CO −64 −137 42 13205-44-2
Fluoroperoxytrifluoromethane[6] CF3OOF −64 120
Bis(fluoroxy)difluoromethane[7] CF2(OF)2 −64 120 16282-67-0
Sulfur hexafluoride SF6 −63.8 −49.596 triple 146 2551-62-4
Tetrafluorooxirane[citation needed] C2F4O −63.5 116 694-17-7
Arsine AsH3 −62.5 −166 78 7784-42-1
Thiocarbonyl fluoride[8] CSF2 −62.1 −163.5 82 420-32-6
Radon Rn −61.7 −71 222 10043-92-2
Difluorocyanamide[3][9] NF2CN −61 −196 78 7127-18-6
Nitrosyl fluoride ONF −59.9 −132.5 49 7789-25-5
Hydrogen sulfide H2S −59.55 −85.5 34 7783-06-4
Trifluoroacetyl fluoride[10] CF3COF −59 −159.5 116 354-34-7
Hexafluorodimethyl ether[11] CF3OCF3 −59 154 333-36-8
Bromotrifluoromethane CBrF3 −57.75 −167.78 149 75-63-8
Difluoroaminooxyperfluoromethane[3][12] CF3ONF2 −57.63 137 4217-93-0
Methylsilane CH3SiH3 −57.5 −156.5 46 992-94-9
Dioxygen difluoride F2O2 −57 dec −163.5 70 7783-44-0
Sulfuryl fluoride SO2F2 −55.4 −135.8 102 2699-79-8
Dichlorofluorosilane SiHCl2F −54.3 119 19382-74-2
trans-1,2-Difluoroethene CHF=CHF −53.1 64 1630-78-0
Trifluoroethene CF2=CHF −53 82 359-11-5
Arsenic pentafluoride AsF5 −52.8 −79.8 170 7784-36-3
Phosphorothioic trifluoride PSF3 −52.25 −148.8 120 2404-52-6
Difluoromethane CH2F2 −52 −136 52 75-10-5
Difluorocarbamyl fluoride[13][14] F2NCOF −52 −152.2 99 2368-32-3
Stannane SnH4 −51.8 −146 123 2406-52-2
Tetrafluoropropyne[15] CF3C≡CF −50.39 112 20174-11-2
Carbonyl sulfide OCS −50.2 −138.8 60 463-58-1
Pentafluoroethyl hypofluorite[16] C2F5OF −50 154
Chlorodifluorosilane[17] SiHClF2 −50~ 102.5 80003-43-6
Digallane Ga2H6 −50~ 145.494 12140-58-8
Ethenone CH2=C=O −49.7 −151 42 463-51-4
Thionyl tetrafluoride SOF4 −48.5 −99.6 124 13709-54-1
3,3,3-Trifluoro-1-propyne CF3CCH −48.3 94 661-54-1
Pentafluoroethane CF3CHF2 −48.1 −100.6 120 354-33-6
Propene C3H6 −47.6 −185.2 42 115-07-1
Chlorodifluorophosphine PClF2 −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 CF3CH3 −47 −111.8 84 420-46-2
Trifluoromethyl hypochlorite[3] CF3OCl −47 −164 120.5 22082-78-6
Perchloryl fluoride ClO3F −46.75 −147 102.5 7616-94-6
Selenium hexafluoride SeF6 −46.6 sub −34.6 triple 193 7783-79-1
Cyanogen fluoride FCN −46 −82 45 1495-50-7
Fluorine nitrate FNO3 −46 −175 81 7789-26-6
Pentafluoronitrosoethane[18] C2F5NO −45.7 137 354-72-3
Difluoromethylene dihypofluorite[19] CF2(OF)2 −45.8 −142 120 16282-67-0
cis-1,2-Difluoroethene CHF=CHF −45 64 1630-77-9
1,1-Difluoropropene[3] CH3CH=CF2 −44 78 430-63-7
Dimethylfluoroborane[citation needed] (CH3)2BF −44 60 353-46-8
Fluoro(trifluoromethyl)silane[20] CF3SiH2F −44 118
Thionyl fluoride SOF2 −43.8 −110.5 86 7783-42-8
Phosphorus chloride tetrafluoride PClF4 −43.4 −132 142.5 13498-11-8
Methyldiborane CH3B2H5 −43 42 23777-55-1
Difluoro(trifluoromethyl)phosphine[21] CF3PF2 −43 138 1112-04-5
N,N,1,1-Tetrafluoromethylamine[22] CHF2NF2 −43 103 24708-53-0
Propane C3H8 −42.25 −187.7 44 74-98-6
Trifluoro(trifluoromethyl)silane[23] CF3SiF3 −42 154 335-06-8
Bromotrifluorosilane BrSiF3 −41.7 −70.5 169 14049-39-9
Hydrogen selenide H2Se −41.25 −65.73 81 7783-07-5
Chlorodifluoromethane CHClF2 −40.7 −175.42 86.5 75-45-6
Sulfur tetrafluoride SF4 −40.45 −125 108 7783-60-0
Hexafluorodiazomethane cis[24] CF3NNCF3 −40 −127 166 73513-59-4
Phosphoryl fluoride POF3 −39.7 sub −39.1 triple 104 13478-20-1
Chloropentafluoroethane CF3CClF2 −39.1 −99 135.5 76-15-3
Tetrafluoro(trifluoromethyl)phosphorane[25] CF3PF4 −39 −113 176 1184-81-2
tetrafluorophosphorane[26] PHF4 −39.0 −100 108 13659-66-0
Tellurium hexafluoride TeF6 −38.9 −37.6 triple 242 7783-80-4
Vinyldifluoroborane[27] CH2=CHBF2 −38.8 −133.4 76
(Trifluoromethyl)silane CF3SiH3 −38.3 −124 100 10112-11-5
Heptafluoroethanamine[3] C2F5NF2 −38.1 −183 171 354-80-3
Tetrafluoroallene[28] CF2=C=CF2 −38 112 461-68-7
Hexafluorooxetane[29] C3F6O −38 166 425-82-1
Trifluoromethanethiol[30] CF3SH −37.99 −157.11 102 1493-15-8
Fluoroethane CH3CH2F −37.7 −143.2 48 353-36-6
Bis(trifluoromethyl)peroxide CF3OOCF3 −37 170 927-84-4
Pentafluoropropanenitrile[31] C2F5CN −37 145 422-04-8
Perfluorodimethylamine[32] (CF3)2NF −37 171 359-62-6
Octafluoropropane C3F8 −36.8 −147.7 188 76-19-7
Germanium tetrafluoride GeF4 −36.5 −15 triple 149 7783-58-6
Cyclopropene C3H4 −36 40 2781-85-3
Trifluoromethyl fluoroformate[33] CF3OC(O)F −36 −120 132 3299-24-9
Trifluoromethyl isocyanate[34] CF3NCO −36 111 460-49-1
Tetrafluoro-1,2-diazetidine C2F4N2H2 −36 130
Hydrogen iodide HI −35.5 −50.76 128 10034-85-2
Pentafluorosulfur hypofluorite SOF6 −35.1 −86 162 15179-32-5
Difluoromethoxy(trifluoro)methane CF3OCHF2 −35.0 −157 136 3822-68-2
Propadiene CH2=C=CH2 −34.8 −136 40 463-49-0
Chlorine Cl2 −34.04 −101.5 71 7782-50-5
Trifluoromethyl fluoroformate[3][35] CF3OC(O)F −34 132 3299-24-9
Diboron tetrafluoride B2F4 −34 −56 98 13965-73-6
Ammonia NH3 −33.33 −77.73 17 7664-41-7
Hexafluorocyclopropane[36] -CF2CF2CF2- −33 −80 150 931-91-9
Trifluoronitromethane[37] CF3NO2 −32 115 335-02-4
Dichlorodifluorosilane SiCl2F2 −32 −44 137 18356-71-3
(Difluoroamino)difluoroacetonitrile[38] NF2CF2CN −32 128 5131-88-4
Hexafluoromethanediamine[3][39] (NF2)2CF2 −31.9 −161.9 154 4394-93-8
Bis(trifluoromethyl)diazene trans[3] CF3NNCF3 −31.1 166 372-63-4
Cyclopropane C3H6 −31 −127.6 42 75-19-4
Chlorosilane SiH3Cl −30.4 −118 66.5 13465-78-6
Hexafluoropropylene CF2=CFCF3 −30.2 −156.6 150 116-15-4
Chloroacetylene HCCCl −30 −126 60.5 593-63-5
Methyltrifluorosilane CH3SiF3 −30 −73 100 373-74-0
Fluorine azide[40] FN3 −30 −139 61.019 14986-60-8
Dichlorodifluoromethane CCl2F2 −29.8 −157.7 121 75-71-8
2,3,3,3-Tetrafluoropropene[41] CF3CF=CH2 −29.5 −152.2 114 754-12-1
Tetrafluorodiaziridine[3] CF4N2 −29 116 17224-09-8
fluoroxypentafluoroselenium[42] F5SeOF −29 209 [43]
Perfluorooxetane C3OF6 −28.6 −117 166 425-82-1
Chlorotrifluoroethene CClF=CF2 −28.3 −158.14 116.5 79-38-9
Methyldifluorophosphine CH3PF2 −28 −110 84 753-59-3
Perfluoroacetone CF3COCF3 −27.4 −125.45 166 684-16-2
Trifluoro(trifluoromethyl)oxirane C2OF3CF3 −27.4 −144 166 428-59-1
Thiazyl trifluoride N≡SF3 −27.1 −72.6 103 15930-75-3
Trifluoroacetyl chloride CF3COCl −27 −146 132.5 354-32-5
3,3,3-Trifluoropropene CF3CH=CH2 −27 96 677-21-4
Phosphonium chloride PH4Cl −27 sub 70.5 24567-53-1
Formyl fluoride HCOF −26.5 −142.2 48 1493-02-3
1,1,1,2-Tetrafluoroethane CF3CH2F −26.1 −103.296 102 811-97-2
Trifluoromethyl trifluorovinyl ether[3] CF3OCF=CF2 −26 166 5930-63-2
Methyl trifluoromethyl ether CF3OCH3 −25.2 −149.1 100 421-14-7
Bis(trifluoromethyl)nitroxide[44] (CF3)2NO −25 −70 168 2154-71-4
Sulfur cyanide pentafluoride[45] SF5CN −25 −107 153 1512-13-6[46]
Dimethyl ether CH3OCH3 −24.8 −141.49 46 115-10-6
1,1,1,4,4,4-Hexafluoro-2-butyne CF3C≡CCF3 −24.6 −117.4 162 692-50-2
1-Chloro-1-fluoroethene[3] CClF=CH2 −24.1 80.5 2317-91-1
1,1-Difluoroethane CHF2CH3 −24.05 −118.6 66 75-37-6
2-Fluoropropene[47] CH3CF=CH2 −24 60 1184-60-7
Borirane C2H4BH −24 −129 40 39517-80-1
Chloromethane CH3Cl −23.8 −97.4 50.5 74-87-3
Trifluoronitrosoethylene[48] CF2=CFNO −23.7 111 2713-04-4
Pentafluoro(trifluoromethoxy)ethane[49] C2F5OCF3 −23.6 204 665-16-7
1,1-Difluorocyclopropane[50] CF2CH2CH2 −23.5 78 558-29-2
Propyne or methylacetylene CH3CCH −23.2 −103.0 40 74-99-7
Diazomethane CH2N2 −23 −145 42 334-88-3
Methylgermane CH3GeH3 −23 −158 91 1449-65-6
Difluoramine (de) NHF2 −23 −116 53 10405-27-3
Prop-1-en-1-one or methylketene CH3CH=CO −23 −80 56 6004-44-0
Vinylsilane CH2=CHSiH3 −22.8 58 7291-09-0
Trifluoroiodomethane CF3I −22.5 −110 196 2314-97-8
Ethynylsilane HC≡CSiH3 −22.5 56 1066-27-9
Hexafluoro-1,3-dioxolane[51] c-CF2OCF2OCF2- −22.1 182.02 21297-65-4
Chloromethane sulfonyl chloride[3] CH2ClS(O)(O)Cl −22 149 3518-65-8
Trifluoromethyl peroxychloride[3] CF3OOCl −22 −132 136.5 32755-26-3
Carbonyl selenide COSe −21.7 −124.4 107 1603-84-5
Trifluoromethanesulfonyl fluoride CF3SOF −21.7 136 335-05-7
Chlorine trifluoride dioxide ClO2F3 −21.6 −81.2 124.5 38680-84-1
Carbonyl bromide fluoride COBrF −21 127 753-56-0
Bromopentafluoroethane C2BrF5 −21 199 354-55-2
Cyanogen NCCN −21 −27.83 52 460-19-5
Methoxysilane CH3OSiH3 −21 −98.5 62 2171-96-2
1,1,3,3,3-Pentafluoropropene CF2=CHCF3 −21 -153 132 690-27-7
Carbonyl bromide fluoride[3] CBrFO −20.6 127 753-56-0
Trifluoromethylsulfur pentafluoride[3] CF3SF5 −20.4 −87 196 373-80-8
Chlorotrifluorogermane GeClF3 −20.3 −66.2 165.5 14188-40-0
Trimethylborane (CH3)3B −20.2 −159.93 56 593-90-8
Dimethylsilane (CH3)2SiH2 −20 −150 60 1111-74-6
1,1,2,2-Tetrafluoroethane CHF2CHF2 −20 −89 66 359-35-3
Formaldehyde H2CO −19.1 −92 30 50-00-0
Hexafluorodisilane SiF3SiF3 −19.1 −18.7 triple 170 13830-68-7
Sulfur chloride pentafluoride SClF5 −19.05 −64 158.5 13780-57-9
1-Chloro-2,2-difluoroethene CHCl=CF2 −18.8 −138.5 98.5 359-10-4
E-1,2,3,3,3-Pentafluoropropene CFH=CFCF3 −18.7 132 5595-10-8
1,1,1,2,2-Pentafluoropropane CF3CF2CH3 −18 133 1814-88-6
Hexafluoropropene CF2=CFCF3 −18 −153 150 116-15-4
Fluoral[52] CF3CHO −18 98 75-90-1
2-Chloro-1,1-difluoroethylene[53] CF2=CHCl −17.7 −138.5 98 359-10-4
Difluoroamino sulfur pentafluoride[54] NF2SF5 −17.5 179 13693-10-2
Stibine SbH3 −17 −88 125 7803-52-3
1,1,2,2,3,3,3-Heptafluoropropane[55] CF2HCF2CF3 −17 −148.5 170 2252-84-8
1,1,1,2,3,3,3-Heptafluoropropane CF3CHFCF3 −16.34 −126.8 170 431-89-0
Phosphorus(III) bromide difluoride PBrF2 −16.1 −133.8 149 15597-40-7
Methylphosphine CH3PH2 −16 48 593-54-4
N,N-Difluoromethanamine[3][56] CH3NF2 −16 −114.8 67 753-58-2
Fluorine perchlorate FOClO3 −16 −167.3 118.5 10049-03-3
Bis(trifluoromethyl) trioxide[57] CF3OOOCF3 −16 −138 186
1,3,3,3-Tetrafluoropropene[3] CF3CH=CHF −16 −104.53 114 1645-83-6
1-Trifluoromethyl-1,2,2-trifluorocyclopropane[50] CF3C3H2F3 −15.8 152
Disiloxane (SiH3)2O −15.2 −144 78 13597-73-4
cis-1-Fluoropropene CH3CH=CHF −15 60 19184-10-2
trans-1-Fluoropropene CH3CH=CHF −15? 60 20327-65-5
Nitryl chloride NO2Cl −15 −145 81.5 13444-90-1
Chlorazide ClN3 −15 −100 77.47 13973-88-1
Disilane Si2H6 −14.8 −129.4 62 1590-87-0
Z-1,2,3,3,3-Pentafluoropropene CHF=CFCF3 −14.7 132 5528-43-8
Bromodifluoromethane CHBrF2 −14.6 −145 131 1511-62-2
Chloroethene CH2=CHCl −13.8 −153.84 62.5 75-01-4
Monoethylsilane[58] CH3CH2SiH3 −13.7 −180 60 2814-79-1
Chlorine pentafluoride ClF5 −13.1 −103 130.5 13637-63-3
Perfluorocyclopropene[59] -CF=CFCF2- −13 −60 112 19721-29-0
1,1,1-Trifluoropropane CF3CH2CH3 −13 98 421-07-8
1-Chloro-1,1,2,2-tetrafluoroethane CClF2CHF2 −13 −117 135.5 354-25-6
Carboimidic difluoride CF2NH −13 dec −90 65 2712-98-3
Plumbane PbH4 −13 211 15875-18-0
Methyl nitrite CH3NO2 −12 −16 61 624-91-9
Trifluoromethylarsine[60] CF3AsH2 −12 146 420-42-8
1-Chloro-1,2,2,2-tetrafluoroethane CHClFCF3 −11.96 −199.15 136.5 2837-89-0
Isobutane (CH3)2CHCH2CH3 −11.7 −159.42 58 75-28-5
Trifluoromethoxy sulfur pentafluoride[61] CF3OSF5 −11 −143 212 1873-23-0
Thiothionyl fluoride SSF2 −10.6 −164.6 102 101947-30-2
Sulfur dioxide SO2 −10.05 −75.5 64 7446-09-5
Pentafluorocyclopropane[59] -CHFCF2CF2- −10 −10 132 872-58-2
2-Fluoropropane CH3CHFCH3 −10 62 420-26-8
Pentafluoroethyl hypochlorite[62] C2F5OCl −10± 170.5 22675-67-8
Fluoroformyl sulfurpentafluoride[63] SF5C(O)F −10 174
Trifluoromethyl fluoroformyl peroxide[64] CF3OOC(O)F −10~ 148 16118-40-4
Perfluorodimethoxymethane CF3OCF2OCF3 −10 −161 220 53772-78-4
1-Chloro-1,1-difluoroethane CClF2CH3 −9.6 −130.8 100.5 75-68-3
Chlorofluoromethane CH2ClF −9.1 −133.0 68.5 593-70-4
Pentafluoroethyl isocyanate[65] C2F5NCO −9 157 356-74-1
Bis(trifluoromethyl)chloramine[66] (CF3)2NCl −9 187.5
Selenium dioxydifluoride SeO2F2 −8.4 −99.5 149 14984-81-7
Fluoro(trifluoro-methyl)diazine[3] CF4N2O −7.63 132 815-10-1
Isobutene (CH3)2C=CH2 −7.0 −140.7 56 115-11-7
3-Fluoropropene CH2=CHCH2F −7 60 818-92-8
Bis(trifluromethyl)amine[3] (CF3)2NH −7 153 371-77-7
Ethoxytrifluorosilane[67] CH3H2OSiF3 −7 −122 118 460-55-9
Trifluoromethylsulfur trifluoride[68] CF3SF3 −7 −110 158 374-10-7
Perfluoro-2-methyl-1,2-oxazetidine[69] (CF3-N)CF2CF2O −6.8 199
Tris(trifluoromethyl)-amine[32] (CF3)3N −6.5 221 432-03-1
Methylamine CH3NH2 −6.4 −93.42 31 74-89-5
1-Butene CH2=CHCH2CH3 −6.3 −185.33 56 106-98-9
Diphosphorus tetrafluoride P2F4 −6.2 −86.5 138 13824-74-3
Chloryl fluoride ClO2F −6 −115 86.5 13637-83-7
Trifluoromethyl iminosulfur difluoride[70] CF3N=SF2 −6 153 1512-14-7
Perfluorocyclobutane -CF2CF2CF2CF2- −5.91 −40.16 200 115-25-3
Perfluoro-2-butene CF3CCF=CF3 −5.9 200 360-89-4 trans
Nitrosyl chloride ONCl −5.55 −59.4 65.5 2696-92-6
Difluorocarbamoylchloride CClF2NO −5.5 115.5 16847-30-6
Hexafluoro 1,2-dioxolane[71] -CF2CF2CF2OO- −5 −115.5 182.02
2,3,3,3-tetrafluoro-2-(trifluoromethyl)-propanenitrile[72] N≡CCF(CF3)2 −4.7 −118 195.038 42532-60-5
1,3-Butadiene CH2=CHCH=CH2 −4.6 −108.9 54 106-99-0
Ethyltrifluorosilane[73] CH3CH2SiF3 −4.4 −105 114 353-89-9
Difluoro-N-fluoromethanimine F2C=NF −4 83 338-66-9
1,1-Dimethyldiborane (CH3)2B(μ-H)2BH2 −4 −150.2 56 16924-32-6
trans-1-Chloro-2-fluoroethene[74] CHCl=CHF −4 80.5 2268-32-8
Bromochlorodifluoromethane CF2ClBr −3.7 −159.5 165.5 353-59-3
N-Nitroso-bis(trifluoromethyl)amine[75] ONN(CF3)2 −3.5 182
Trifluoromethyl 1,1,2,2-tetrafluoroethyl ether[51] CF3OCF2CF2H −3.3 −141 186 2356-61-8
1-Fluoropropane[3] CH2FCH2CH3 −3.2 −159 62 460-13-9
3-Fluoropropene[47] CH2CHCH2F −3 60 818-92-8
Dimethylperoxide CH3OOCH3 −3 −100 62 690-02-8
Trifluoromethyl thionitrite[76] CF3SNO −3 131
Dichlorodifluorogermane GeCl2F2 −2.8 −51.8 182 24422-21-7
Bromotrifluoroethene CBrF=CF2 −2.5 161 598-73-2
Trifluoromethane sulfinyl fluoride[3] CF3SOF −2.5 136 812-12-4
Perfluorobutane C4F10 −2.1 −129 238 355-25-9
Hydrogen telluride H2Te −2 −49 130 7783-09-7
1-Chloroheptafluoropropane[77] CF3CF2CF2Cl −2 204.5 422-86-6
2-Chloroheptafluoropropane[77] CF3CFClCF3 −2 204.5 76-18-6
Bis(trifluoromethyl)selenium[78] (CF3)2Se −2 217 371-79-9
Trifluoromethyl sulfinyl fluoride[68] CF3S(O)F −1.6 136 812-12-4
1,1,1,2,2,3-Hexafluoropropane CF3CF2CFH2 −1.44 −98.38 152 677-56-5
1,1,1,3,3,3-Hexafluoropropane CF3CH2CF3 −1.4 −93.6 152 690-39-1
Pentafluoroguanidine[79] CF5N3 −1 149 10051-06-6
1,1,2,2-Tetrafluoropropane[80] CHF2CF2CH3 −0.8 −121.1 116 40723-63-5
Heptafluoronitrosopropane[18] C3F7NO −0.7 199 354-72-3
Trifluoromethanesulfenylchloride[3] CF3SCl −0.6 136.5 421-17-0
1,1,1,2-Tetrafluoropropane CF3CHFCH3 −1-0 116 421-48-7
1,1,2,2,3,3-Hexafluoropropane[3] CHF2CF2CHF2 −0.3 −98.38 152 680-00-2
Butane C4H10 0 −140 58 106-97-8
2,2-Difluoropropane CH3CF2CH3 0 −104.8 80 420-45-1
Perfluoroisobutane C4F10 0 238 354-92-7
Nitrosyl bromide NOBr 0 −56 110 13444-87-6
Xenon tetroxide XeO4 0 dec −35.9 195 12340-14-6
Trifluoromethylsulfonyl hypofluorite[81] CF3SO2OF 0 −87 168
Trifluoromethyl chloroformate[82] CF3OC(O)Cl 0 148.5 23213-83-4
Decafluorodiethyl ether perfluoro ether[83] CF3CF2OCF2CF3 0 254 358-21-4
Perfluorocyclobutanone[84] -CF2CF2CF2C(O)- 0 178 699-35-4
Trifluoromethyl peroxonitrate[3] CF3OON2 0.4 129 50311-48-3
Thiazyl fluoride[85] NSF 0.4 −89 65.07 18820-63-8
Perfluorotetrahydrofuran -OCF2CF2CF2CF2- 0.6 −85 216 773-14-8
Tetrafluoro(trifluoromethylimino)-λ6-sulfane[86] F4S=NCF3 0.75±0.25 191
trans-2-Butene CH3CH=CHCH3 0.9 −43.3 56 624-64-6
Methylcyclopropane CH3CHCH2CH2 1 −177.2 56 594-11-6
Bis(trifluoromethyl)phosphine[87] (CF3)2PH 1 170
Oxalyl fluoride[13] CFOCFO 1±1 −12.42 94 359-40-0
Methylstannane CH3SnH3 1.4 137 1631-78-3
Azomethane CH3N=NCH3 1.5 −78 58 503-28-6
1,1,2,3,3-Pentafluoropropene CF2=CFCHF2 1.5 −101.2 132 433-66-9
Bromosilane SiH3Br 1.9 −94 111 13465-73-1
Methylarsine CH3AsH2 2 −143 92 593-52-2
Hexafluorocyclobutene C4F6 2 −60 162 697-11-0
Chlorine monoxide Cl2O 2.2 −120.6 87 7791-21-1
Cyclobutene C4H6 2.5 54 822-35-5
Difluorodimethylsilane (CH3)2SiF2 2.5 −87.5 96 353-66-2
1,1,1-Trifluoroazomethane[3] CF3NNCH3 2.5 112 690-21-1
dichorotrifluorophosphorane[26] PCl2F3 2.5 −124 159 13659-65-9
Trimethylamine (CH3)3N 2.8 −117.1 59 75-50-3
1,1-Dichloro-1,2,2,2-tetrafluoroethane CCl2CF3 3 −56.6 152 374-07-2
Sulfur bromide pentafluoride SBrF5 3.1 −79 207 15607-89-3
1,1,2-Trifluoroethane CHF2CH2F 3.5 −84 84 430-66-0
1,2-Dichloro-1,1,2,2-tetrafluoroethane CClF2CClF2 3.6 −92.52 171 76-14-2
cis-2-Butene CH3CH=CHCH3 3.72 −138.9 56 590-18-1
Phosphorus dihydride trifluoride[26] PH2F3 3.9 −52 90
Bromomethane CH3Br 4 −93.66 95 74-83-9
1,2-Dimethyldiborane [(CH3)BH2]2 4 −124.9 56 17156-88-6
Selenium chloride pentafluoride SeClF5 4.5 −19 209.5 34979-62-9
1,1,4,4-Tetrafluoro-1,3-butadiene[88] CF2=CFCF=CF2 4.5± 162 407-70-5
Trifluoromethyl phosphorodifluoridate[81] CF3OP(O)F2 4.6 −96.2 170 39125-43-4
Bromoacetylene C2HBr 4.7 105 593-61-3
Iodine heptafluoride IF7 4.8 6.5 triple 250 16921-96-3
Dimethylchloroborane[3] (CH3)2BCl 4.9 −39.9 76.5 1803-36-7
Perfluoro-1-butene[3] CF3CF2CF=CF2 5 200 357-26-6
Sulfur pentafluoride cyanate[89] F5SOCN 5 −60 169
Pentafluorosulfanyl cyanate[86] F5SOCN 5-5.5 169
1,1,2,3,4,4-Hexafluoro-1,3-butadiene CF2CFCFCF2 5.4 −132 162 685-63-2
Bis(difluoromethyl) ether CHF2OCHF2 5.5 118 1691-17-4
Methyl pentafluoroethyl ether CH3OC2F5 5.6 140 22410-44-2
Tris(difluoroamine)fluoromethane[3] (NF2)3CF 5.6 −136.9 187 14362-68-6
Perfluoro ethyl methyl ether C2F5OCF3 5.61 204
1-Bromo-2,2-difluoro-ethylene[90] CHBr=CF2 5.7 143
Perfluoro-1,3-butadiene[91] CF2=CFCF=CF2 5.8 −132 162 685-63-2
Methanethiol[3] CH3SH 5.95 −123 48 74-93-1
1-Buten-3-yne CH2CHC≡CH 6 54 689-97-4
Methoxyethane CH3OC2H5 6 −113 60 540-67-0
Methyl vinyl ether CH3OCH=CH2 6 −122 58 107-25-5
1,1,1-Trifluoro-2-chloroethane CF3CH2Cl 6.1 −105.5 118.5 75-88-7
1,1,1,2,3,3-Hexafluoropropane CF3CH2CF3 6.2 152 431-63-0
Phosphorothioic chloride difluoride PSClF2 6.3 −155.2 136.5 2524-02-9
Perfluoro-2-methoxypropionylfluoride[84] CF3OCF(CF3)C(O)F 5-8 232
Trimethylsilane (CH3)3SiH 6.7 −153.9 74 993-07-7
Carbon suboxide OCCCO 6.8 −111.3 68 504-64-3
2-Chloropentafluoropropene[55] CF3CCl=CF2 6.8 166.5 2804-50-4
dimethylgermane[92] CH3GeH2CH3 7.0 104.72 1449-64-5
Perfluoroisobutene (CF3)2C=CF2 7 −130 200 382-21-8
Pentafluoroethyl trifluorovinyl ether CF3CF2OCFCF2 7 216 10493-43-3
1,1-Difluoropropane CHF2CH2CH3 7-8 80 430-61-5
1,1,1,2,4,4,4-Heptafluoro-2-butene[69] CF3CF=CHCF3 7-8 182
Chloromethylsilane CH3ClSi 7 −135 78.5 993-00-0
Fluoromethyldifluoroborane[93][94] CH2FBF2 7 −47 82
Nitryl cyanide[95] NCNO2 7 −85 72 105879-05-8
Silylgermane[96] GeH3SiH3 7.0 −119.7 107 13768-63-3
Phosphorus(V) dichloride trifluoride PCl2F3 7.1 −125 159 13454-99-4
Sulfuryl chloride fluoride SO2ClF 7.1 −124.7 118.5 13637-84-8
Dimethylamine (CH3)2NH 7.3 −93 45 124-40-3
3-Chloropentafluoropropene[55] CF2ClCF=CF2 7.4 166.5 79-47-0
Phosgene COCl2 7.5 −127.77 99 75-44-5
Chloropentafluoroacetone CClF2COCF3 7.8 −133 182.5 79-53-8
1-Butyne CH3CH2C≡CH 8.08 −125.7 54 107-00-6
Dichlorosilane SiH2Cl2 8.3 −122 101 4109-96-0
trans-1,1,1,4,4,4-hexafluoro-2-butene[97] CF3CH=CHCF3 8.5 164 407-60-3
2-Bromo-1,1,1,2-tetrafluoroethane[69] CF3CHFBr 8.65 181
Methyl chlorosilane[3] CH3SiH2Cl 8.7 −134.1 80.5 993-00-0
Pentafluorosulfanyl hypochlorite[citation needed] SF5OCl 8.9 178.5
Dichlorofluoromethane CHCl2F 8.92 −135 103 75-43-4
ethylgermane[98] CH3CH2GeH3 9.2 104.66
Neopentane (CH3)4C 9.5 −16.5 72 463-82-1
Trifluoromethylperchlorate CF3OClO3 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[99][100] 		CF3(CF3O)NNO or
(CF3)2NONO 		10 198 367-54-4
Ethylene oxide CH2OCH2 10.4 −112.46 44 75-21-8
1,2-Difluoroethane[3] CH2FCH2F 10.5 −118.6 66 624-72-6
1,2-Butadiene CH3CH=C=CH2 11 −136.20 54 590-19-2
Dichloromethylborane CH3BCl2 11 97 7318-78-7
Chlorine dioxide ClO2 11 −59 103 10049-04-4
2-Chloro-2,3,3,3-tetrafluoropropanoyl fluoride[101] CF3CFClC(O)F 11 182.5 28627-00-1
Methyl trifluorovinyl ether[102] CH3OCF=CF2 11 112 3823-94-7
Trifluoromethyl hydroperoxide[3][103] CF3OOH 11.3 102 16156-36-8
Methyl trifluoromethyl sulfide[78] CH3SCF3 11.5 116 421-16-9
Chlorine trifluoride ClF3 11.75 −76.34 128 7790-91-2
1-bromoheptafluoropropane[77] CF3CF2CF2Br 12 249 422-85-5
Tert-butylfluoride[104] (CH3)3CF 12 76 353-61-7
2-Fluoro-2-methylpropane CH3(CH3)CFCH3 12.1 76 353-61-7
Trichlorofluorosilane SiCl3F 12.25 153.5 14965-52-7
Chloroethane CH3CH2Cl 12.27 −138 64.5 75-00-3
Pentafluoroiodoethane[105] CF3CF2I 12.5 −92 246 354-64-3
Cyclobutane C4H8 12.5 −90.7 56 287-23-0
1,1-difluoro-N-(pentafluoro-λ6-sulfanyl)methanimine[86] F5SN=CF2 12.5±0.5 191
2-diazo-1,1,1,3,3,3-hexafluoropropane[106] (CF3)2CN2 12.5±0.5 178 684-23-1
Silylphosphine[107] SiH3PH2 12.7 68 14616-47-8
Cyanogen chloride ClCN 13 −6.55 61.5 506-77-4
trans-1-Bromo-1,2-difluoroethylene[90] CBrF=CFH 13 143 358-99-6
Trifluoromethyl phosphine[3] CF3PH2 13.1 102 420-52-0
2,2,2-Trifluorodiazoethane[108] CF3CHNN 13.2 91 371-67-5
2-Chloro-1,1,1,2-tetrafluoropropane HCFC-244bb[109] CF3CClFCH3 13.23 150.5 421-73-8
Pentafluoroethyl sulfur pentafluoride[110] C2F5SF5 13.5 246
Phosphorus(III) dichloride fluoride PCl2F 13.85 −144 121 15597-63-4
2-Chloro-1,1,1,3,3,3-hexafluoropropane[55] CF3CHClCF3 14 −120.8 186.5 51346-64-6
2-Chloro-3,3,3-trifluoroprop-1-ene[74] CH2=CClCF3 14 130.5 2730-62-3
Difluoro(difluorochloromethyl)amine CClF2NF2 14.14 137.5 13880-71-2
Nitrosyl bromide ONBr 14.5 110 13444-87-6
Hexafluoroisobutylene[3] (CF3)2C=CH2 14.5 164 382-10-5
N,N-Difluoroethylamine[56] CH3CH2NF2 14.9 −150.3 81 758-18-9
2-(Pentafluorothio)-3,3-difluorooxaziridine[111] SF5(-NCF2O-) 14.0 207 73002-62-7
Disulfur difluoride FSSF 15 −133 102 13709-35-8
1,1,1,3,3-Pentafluoropropane[3] CF3CH2CHF2 15.14 −102.10 134 460-73-1
1,1,1,2,2,3,3,4,4-Nonafluorobutane[3] CF3CF2CF2CF2H 12 220 375-17-7
cis-1-Chloro-2-fluoroethene[74] CHCl=CHF 15 80.5 2268-31-7
(Z)-1-chloro-2,3,3,3-tetrafluoropropene[74] CHCl=CFCF3 15 148.5 111512-60-8
Trifluoromethyl phosphorodifluoroperoxoate[81] CF3OOP(O)F2 15.5 −88.6 167 39125-42-3
(Trifluoroacetyl)sulfur pentafluoride[63] CF3C(O)SF5 15.6 −112 224 82390-51-0
Vinyl bromide CH2=CHBr 15.8 −137.8 107 593-60-2
Bis(fluorocarbonyl) peroxide[112][13] CF(O)OOCFO 15.9 −42.5 126 692-74-0
1-Chloro-1,1,2-trifluoroethane CClF2CH2F 16 118.5 421-04-5
cis-1-Bromo-1,2-difluoroethylene[90] CBrF=CHF 16 143
1-Fluoro-2-methylpropane[104] CH2FCHCH3CH3 16 76 359-00-2
Difluoromethyl 1,1,2-trifluoroethyl ether CHF2OCF2CH2F 16.14 150 69948-24-9
1-Chloro-1-fluoroethane[3] CHClFCH3 16.15 82.5 1615-75-4
Fluorotrimethylsilane (CH3)3SiF 16.4 −74.3 92 420-56-4
Bis(trifluoromethyl)nitramine[66] (CF3)2NNO2 16.4 198
Hexafluoroacetone imine[113] CF3C(=NH)CF3 16.5± −47 165 1645-75-6
Dichloro(trifluoromethyl)amine[3] CF3NCl2 16.6 154 13880-73-4
Ethylamine CH3CH2NH2 16.6 −81 45 75-04-7
1,1,1-Trifluorobutane[114] CF3CH2CH2CH3 16.74 −114.79 112 460-34-4
Bismuthine BiH3 17 −67 212 18288-22-7
2,2,3,3-Tetrafluorobutane[69] CH3CF2CF2CH3 17 130
tris(trifluoromethyl)phosphine[115] (CF3)3P 17 238 432-04-2
Tungsten hexafluoride WF6 17.1 1.9 294 7783-82-6
1-Chloro-1,2,2-trifluoroethane CHClFCHF2 17.3 99.5 431-07-2
Bis (trifluoromethyl) carbamyl fluoride (CF3)2NC(O)F 17.5±2.5 199
Ethyl nitrite C2H5NO2 17.5 75 109-95-5
Tetraborane(10) B4H10 18 −120 54 18283-93-7
trifluoro-(sulfinylamino)methane[116] CF3N=S=O 18 131 10564-49-5
F-2,3-dihydro-1,4-dioxin[117] -CF2CF2OCF=CFO- 18.5 158
Bromofluoromethane CH2BrF 19 (CRC=23) 113 373-52-4
Bis(trifluoromethyl)arsine[60] (CF3)2AsH 19 214
1,1-Dichloro-2,2-difluoroethene CCl2=CF2 19 −116 135 79-35-6
Perfluorovinylsulphur pentafluoride[118] CF2=CFSF5 19 208 1186-51-2
Difluorotris(trifluoromethyl)phosphorane[115] (CF3)3PF2 19 276 661-45-0
trans-1-Chloro-3,3,3-trifluoropropene[74] CHCl=CHCF3 19 130.5 102687-65-0
Fluoroformic acid anhydride[119] FC(O)OC(O)F 19.2 −46.2 110 177036-04-3
Trifluorovinyl isocyanate[120] CF2=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 BrO3F 20 dec −110 147 25251-03-0
1-Chloro-1,1,2,2-tetrafluoropropane[121] CF2ClCF2CH3 20 150.5 421-75-0
Perfluorooxaspiro[2.3]hexane[84] C5F8O 18-21 228
pentafluoroethylsulfinyl fluoride[68] C2F5S(O)F 20 186 20621-31-2
3-Methyl-1-butene CH2=CHCH(CH3)2 20.1 −168.41 70 563-45-1
Acetaldehyde CH3CHO 20.2 −123.37 44 75-07-0
Chlorotetrafluoro(trifluoromethyl)sulfur CF3SClF4 20.2 212.5 42179-04-4
trans-Bis(trifluoromethyl)sulfur tetrafluoride[122] CF3SF4CF3 20.5 246 42179-02-2
Decafluorocyclopentane[3] C5F10 20.5 250 376-77-2
1,1-Dimethylcyclopropane (CH3)2CCH2CH2 21 −109.0 70 1630-94-0
Acetyl fluoride CH3C(O)F 21 −84 62 557-99-3
Perfluoro-N-methyloxazolidine CF3-NCF2OCF2CF2- 21 237
Bis(trifluoromethyl)cyanoamine[66] (CF3)2NCN 21 178
Bis(trifluoromethyl)sulfur difluoride[78] (CF3)2SF2 21 198 30341-38-9
Methaneselenol[123] CH3SeH 21 95 6486-05-1
Perfluoroethyldimethylamine[32] C2F5(CF3)2N 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[124] CF3SO2OCF3 21.2 −108.2 218 3582-05-6
Dinitrogen tetroxide N2O4 21.15 −9.3 92 10544-72-6
Difluoroiodomethane CHF2I 21.5 −122 178 1493-03-4
Trifluoromethylcyclopropane[50] C5H6F3CH3 21.6 110 381-74-8
1,1,1-Trifluoroacetone CF3C(O)CH3 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[62] (CF3)2CFOCl 22 220.5 22675-68-9
Perfluoroazoethane[34] C2F5NNC2F5 22 266
1,2,2-Trifluoropropane[125] CH2FCF2CH3 22 98 811-94-9
Bis(trifluoromethyl)bromamine[66] (CF3)2NBr 22 232
Bis(trifluoromethyl)sulfde[126] (CF3)2S 22.2 170 371-78-8
1,1,1,3,3-Pentafluorobutane CF3CH3CF2CH3 22.6 −34.1 149 406-58-6
octafluoro-1,4-dioxane[127] (-CF2CF2OCF2CF2O-) 22.75±0.25 232 32981-22-9
Cyanic acid HNCO 23 −86 43 420-05-3
2-Chloropropene CH3CCl=CH2 23 −137.4 76.5 557-98-2
1,2,2,2-Tetrafluoroethyl difluoromethyl ether CF3CHFOCHF2 23 168 57041-67-5
1,1,1,2,3-Pentafluoropropane[128] CF3CHFCH2F 23 134 431-31-2
2,2,3,3,4,4,5-Heptafluoro oxolane[129] -CF2CF2CF2CHFO- 23 179
Pentafluoroethyl iminosulfur difluoride[70] CF3CF2N=SF2 23±1 203
Methoxyacetylene[130] CH3OC≡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[3] CF3CHFOCHF2 23.4 168 57041-67-5
Propylsilane[58] CH3CH2CH2SiH3 23.5± 78 13154-66-0
Trichlorofluoromethane CCl3F 23.77 −110.48 137.5 75-69-4
1-Chloro-1,3,3,3-tetrafluoropropene[55] CF3CH=CFCl 24 148.5 460-71-9
1,1,2,2-Tetrafluoro-1-nitro-2-nitrosoethane[131] NO2CF2CF2NO 24.2 176 679-08-3
Germyl methyl ether[132] GeH3OCH3 24.3 107 5910-93-0
Dibromodifluoromethane[3] CBr2F2 24.45 −141.5 210 75-61-6
Heptafluoro-N-propyl isocyanate[18] C3F7NCO 24.5 211 87050-96-2
Hexafluorobut-2-yne[69] CF3C≡CCF3 24.6 −117.4 162 692-50-2
1,1,1,4,4,4-Hexafluorobutane[133] CF3CH2CH2CF3 24.6 166 407-59-0
Chloroheptafluorocyclobutane C4ClF7 25 −39.1 216.5 377-41-3
Dimethylphosphine (CH3)2PH 25 62 676-59-5
Ethyl phosphine[134] CH3CH2PH2 25 62 593-68-0
Octafluorocyclopentene[135] C5F8 25 212 559-40-0
2-Fluorobutane[136] CH3CHFCH2CH3 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 CF3OOOCF2CF3 boils between 10 and 20°[137]
  • Bis-trifluoromethyl carbonate boils between −10 and +10°[35] possibly +12, freezing −60°[138]
  • Difluorodioxirane boils between −80 and −90°.[139]
  • Difluoroaminosulfinyl fluoride F2NS(O)F is a gas but decomposes over several hours[140]
  • Trifluoromethylsulfinyl chloride CF3S(O)Cl[68]
  • Nitrosyl cyanide ?−20° blue-green gas 4343-68-4[141]
  • Thiazyl chloride NSCl greenish yellow gas; trimerises.[85]

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[142]
  • Perfluoro-1,2,3-butatriene −5[143] polymerizes[144]
  • Perfluoropent-2-ene
  • Perfluoropent-1-ene 29-30°[145]
  • Trifluoromethanesulfenylfluoride CF3SF
  • Difluorocarbamyl fluoride F2NCOF −52°
  • N-Sulfinyltrifluoromethaneamine CF3NSO 18°
  • (Chlorofluoromethyl)silane 373-67-1 274.37 K (1.22 °C)[3]
  • difluoromethylsilane 420-34-8 237.56 K (−35.59 °C)[3]
  • trifluoromethyl sulfenic trifloromethyl ester[146]
  • 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°[55]
  • trans-2H-Heptafluoro-2-butene
  • pentafluoroethylhypochlorite around −10°[62]
  • trifluoromethyl pentafluoroethyl sulfide 6° 33547-10-3 [3]
  • 1,1,1-Trifluoro-N-(trifluoromethoxy)methanamine 671-63-6 0.6°[3]
  • 1-chloro-1,1,2,2,3,3-hexafluoropropane 422-55-9 16.7[3]
  • 1-chloro-1,1,2,3,3,3-hexafluoropropane 359-58-0 17.15[3]
  • 2-chloro-1,1,1,2,3,3-hexafluoropropane 51346-64-6 16.7°[3]
  • 3-chloro-1,1,1,2,2,3-hexafluoropropane 422-57-1 16.7°[3]
  • trifluormethyl 1,2,2,2-tetrafluoroethyl ether 2356-62-9 11°[3]
  • 2-chloro-1,1,1,3,3-pentafluoropropane HFC-235da 134251-06-2 8°[3]
  • 1,1,2,3,3-pentafluoropropane 24270-66-4 −3.77
  • 2,2,3,3,4,5,5-heptafluoro oxolane[129]
  • (Heptafluoropropyl)carbonimidic difluoride 378-00-7
  • Pentafluoroethyl carbonimidic difluoride 428-71-7
  • (Trifluoromethyl)carbonimidic difluoride 371-71-1 CF3N=CF2
  • 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-octafluoro-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[147][3]
  • 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[92]
  • 1,H-Pentafluorocyclobut-1-ene[135]
  • 1,H:2,H-hexafluorocyclobutane[135]
  • 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 C5F6 28 °C[148]
  • 2-Butyne 29 °C
  • Digermane 29 °C
  • Perfluoroisopropyl methyl ether 29 °C
  • Trifluoromethanesulfonyl chloride 29–32 °C[149]
  • 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 CH3TeH 25284-83-7 unstable at room temperature.[150]
  • Sulfur pentafluoride isocyanide isomerises to sulfur pentafluoride cyanide.[151]

References

  1. ↑ PubChem. "Deuterium" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/24523. 
  2. ↑ PubChem. "Tritium" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/24824. 
  3. ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 3.20 3.21 3.22 3.23 3.24 3.25 3.26 3.27 3.28 3.29 3.30 3.31 3.32 3.33 3.34 3.35 3.36 3.37 3.38 3.39 3.40 3.41 3.42 3.43 3.44 3.45 3.46 3.47 3.48 3.49 3.50 3.51 3.52 3.53 Yaws, Carl L. (2015) (in en). The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals: Physical Properties for More Than 54,000 Organic and Inorganic Chemical Compounds, Coverage for C1 to C100 Organics and Ac to Zr Inorganics. Gulf Professional Publishing. p. 3. ISBN 9780128011461. https://books.google.com/books?id=GutDBAAAQBAJ&pg=PA4. 
  4. ↑ Journal of Heterocyclic Chemistry. - 1964. - Vol. 1, No. 1. - pp. 59-60
  5. ↑ Corbridge, D. E. C. (2016) (in en). Phosphorus: Chemistry, Biochemistry and Technology, Sixth Edition. CRC Press. p. 1265. ISBN 9781439840894. https://books.google.com/books?id=YWzRBQAAQBAJ&pg=PA1263. 
  6. ↑ DesMarteau, Darryl D. (January 1972). "Fluoroperoxytrifluoromethane, CF3OOF. Preparation from trifluoromethyl hydroperoxide and fluorine in the presence of cesium fluoride". Inorganic Chemistry 11 (1): 193–195. doi:10.1021/ic50107a047. 
  7. ↑ Journal of Fluorine Chemistry. - 2013. - Vol. 155. - pp. 29-31 full citation needed
  8. ↑ Downs, A. J. (1962). "846. Thiocarbonyl fluoride". Journal of the Chemical Society (Resumed): 4361. doi:10.1039/JR9620004361. 
  9. ↑ Meyers, M. D.; Frank, S. (August 1966). "Difluorocyanamide". Inorganic Chemistry 5 (8): 1455–1457. doi:10.1021/ic50042a040. 
  10. ↑ "Trifluoroacetyl fluoride" (in en). https://webbook.nist.gov/cgi/cbook.cgi?ID=C354347&Mask=4. 
  11. ↑ Advances in Inorganic Chemistry and Radiochemistry. - 1961. - Vol. 3. - p. 406
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  45. ↑ Lösking, Oliver; Willner, Helge (September 1989). "Sulfur Cyanide Pentafluoride SF5 CN". Angewandte Chemie International Edition in English 28 (9): 1255–1256. doi:10.1002/anie.198912551. 
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  48. ↑ Griffin, C. E.; Haszeldine, R. N. (1960). "279. Perfluoroalkyl derivatives of nitrogen. Part VIII. Trifluoronitrosoethylene and its polymers". Journal of the Chemical Society (Resumed): 1398. doi:10.1039/JR9600001398. 
  49. ↑ Template:CRC96
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  52. ↑ Lin, Peter (2003-04-15), John Wiley & Sons, Ltd, ed., "Trifluoroacetaldehyde" (in en), Encyclopedia of Reagents for Organic Synthesis (Chichester, UK: John Wiley & Sons, Ltd), doi:10.1002/047084289x.rn00213, ISBN 978-0-471-93623-7, https://onlinelibrary.wiley.com/doi/10.1002/047084289X.rn00213, retrieved 2023-11-26 
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  54. ↑ Logothetis, A. L.; Sausen, G. N.; Shozda, R. J. (February 1963). "The Preparation of Difluoroamino Sulfur Pentafluoride". Inorganic Chemistry 2 (1): 173–175. doi:10.1021/ic50005a044. 
  55. ↑ 55.0 55.1 55.2 55.3 55.4 55.5 Miller, William T.; Fried, John H.; Goldwhite, Harold (June 1960). "Substitution and Addition Reactions of the Fluoroölefins. IV. Reactions of Fluoride Ion with Fluoroölefins". Journal of the American Chemical Society 82 (12): 3091–3099. doi:10.1021/ja01497a028. 
  56. ↑ 56.0 56.1 Frazer, J.W. (November 1960). "Preparation of N,N-difluoromethylamine and N,N-difluoroethylamine". Journal of Inorganic and Nuclear Chemistry 16 (1–2): 63–66. doi:10.1016/0022-1902(60)80088-7. 
  57. ↑ Advances in Inorganic Chemistry and Radiochemistry. - 1974. - Vol. 16. - p. 168
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  59. ↑ 59.0 59.1 Sargeant, Peter B.; Krespan, Carl G. (January 1969). "Fluorocyclopropanes. II. Synthesis, properties, and reactions of perfluorocyclopropene" (in en). Journal of the American Chemical Society 91 (2): 415–419. doi:10.1021/ja01030a035. ISSN 0002-7863. https://pubs.acs.org/doi/abs/10.1021/ja01030a035. 
  60. ↑ 60.0 60.1 Dictionary of organometallic compounds. - 2nd supplement. - Chapman and Hall Ltd, 1986. - p. 19
  61. ↑ Duncan, Leonard C.; Cady, George H. (June 1964). "The Preparation and Properties of Trifluoromethoxy Sulfur Pentafluoride [CF3OSF5] and cis-Bis(trifluoromethoxy)tetrafluorosulfur(VI) [(CF3 O)2SF4 ]". Inorganic Chemistry 3 (6): 850–852. doi:10.1021/ic50016a015. 
  62. ↑ 62.0 62.1 62.2 Gould, Douglas E.; Anderson, Lowell Ray; Young, David Edward; Fox, William B. (March 1969). "Perhaloalkyl hypochlorites and pentafluorosulfur hypochlorite. I. Preparation and properties". Journal of the American Chemical Society 91 (6): 1310–1313. doi:10.1021/ja01034a008. 
  63. ↑ 63.0 63.1 De Marco, Ronald A.; Fox, W. B. (September 1982). "(Trifluoroacetyl)sulfur pentafluoride". The Journal of Organic Chemistry 47 (19): 3772–3773. doi:10.1021/jo00140a039. 
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  65. ↑ UNITED STATES PATENT 2,617,817 PERFLUOROALKYL ISOCYANATES Arthur H. Ahlbrecht, 11 November 1952
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  67. ↑ Emeléus, H. J.; Heal, H. G. (1949). "363. The ethoxyfluorosilanes". J. Chem. Soc.: 1696–1699. doi:10.1039/JR9490001696. 
  68. ↑ 68.0 68.1 68.2 68.3 Ratcliffe, Charles T.; Shreeve, Jean'ne M. (September 1968). "Some perfluoroalkylsulfinyl halides. New preparations of trifluoromethylsulfur trifluoride". Journal of the American Chemical Society 90 (20): 5403–5408. doi:10.1021/ja01022a013. 
  69. ↑ 69.0 69.1 69.2 69.3 69.4 Burns, T. H. S.; Bracken, A. (1972). "Exploratory and Newer Compounds" (in en). Modern Inhalation Anesthetics. Springer Berlin Heidelberg. pp. 418–439. doi:10.1007/978-3-642-65055-0_19. ISBN 9783642650574. 
  70. ↑ 70.0 70.1 Smith, William C.; Tullock, Charles W.; Smith, Ronald D.; Engelhardt, Vaughn A. (February 1960). "Chemistry of Sulfur Tetrafluoride. III. Organoiminosulfur Difluorides". Journal of the American Chemical Society 82 (3): 551–555. doi:10.1021/ja01488a013. 
  71. ↑ Jin, Anding; Mack, Hans-Georg; Waterfeld, Alfred; Dakkouri, Marwan; Oberhammer, Heinz (November 1992). "Perfluoro-1,2-dioxolane. A new synthesis and its gas-phase structure" (in en). Journal of Molecular Structure 274 (1): 163–170. doi:10.1016/0022-2860(92)80155-B. Bibcode: 1992JMoSt.274..163J. 
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  75. ↑ H. G. Ang; Y. C. Syn (1974). "The chemistry of bis(trifluoromethyl)amine compounds" (in en). Advances in Inorganic Chemistry and Radiochemistry. Academic Press. p. 29. ISBN 9780080578651. https://books.google.com/books?id=qi0vujzNSz4C&pg=PA29. 
  76. ↑ (Banus) Mason, Joan (1969). "Trifluoromethyl thionitrite". Journal of the Chemical Society A: Inorganic, Physical, Theoretical: 1587. doi:10.1039/J19690001587. 
  77. ↑ 77.0 77.1 77.2 Hauptschein, Murray; Nodiff, Edward A.; Grosse, Aristid V. (March 1952). "Perfluoroalkyl Halides Prepared from Silver Perfluoro-fatty Acid Salts. II. Perfluoroalkyl Bromides and Chlorides". Journal of the American Chemical Society 74 (5): 1347–1350. doi:10.1021/ja01125a511. 
  78. ↑ 78.0 78.1 78.2 Macintyre, Jane E. (1994) (in en). Dictionary of Inorganic Compounds, Supplement 2. CRC Press. p. 25. ISBN 9780412491009. https://books.google.com/books?id=yV-Kj-ubc0IC&pg=PA25. 
  79. ↑ Davis, Ralph Anderson; Kroon, James L.; Rausch, Douglas A. (May 1967). "Pentafluoroguanidine". The Journal of Organic Chemistry 32 (5): 1662–1663. doi:10.1021/jo01280a103. 
  80. ↑ "1,1,2,2-Tetrafluoropropane | C3H4F4 | ChemSpider". http://www.chemspider.com/Chemical-Structure.148999.html. 
  81. ↑ 81.0 81.1 81.2 Macintyre, Jane E. (1994) (in en). Dictionary of Inorganic Compounds, Supplement 2. CRC Press. ISBN 9780412491009. https://books.google.com/books?id=yV-Kj-ubc0IC&pg=PA18. 
  82. ↑ Young, D.E.; Anderson, L.R.; Gould, D.E.; Fox, W.B. (January 1969). "Perfluoroalkyl chloroformates and chlorosulfates". Tetrahedron Letters 10 (9): 723–726. doi:10.1016/S0040-4039(01)87792-3. 
  83. ↑ Burns, T. H. S.; Bracken, A. (1972). "Exploratory and Newer Compounds" (in en). Modern Inhalation Anesthetics. Springer Berlin Heidelberg. p. 413. doi:10.1007/978-3-642-65055-0_19. ISBN 9783642650574. 
  84. ↑ 84.0 84.1 84.2 De Pasquale, Ralph J.; Padgett, Calvin D.; Patton, Jerry R. (May 1973). "PERFLUOROCARBON EPOXIDES Part I TECHNICAL REPORT AFML-TR-73-144". PCR, Inc.. http://www.dtic.mil/dtic/tr/fulltext/u2/912520.pdf. 
  85. ↑ 85.0 85.1 Alange, G. G. (1969). Some reactions of tetrasulphur tetranitride and trithiazyl trichloride (Doctoral thesis). Durham University.
  86. ↑ 86.0 86.1 86.2 Tullock, C. W.; Coffman, D. D.; Muetterties, E. L. (February 1964). "Synthesis and Chemistry of SF5Cl". Journal of the American Chemical Society 86 (3): 357–361. doi:10.1021/ja01057a013. 
  87. ↑ Burg, Anton B.; Mahler, Walter (August 1957). "A New Synthesis of Bis-Trifluoromethyl-Phosphine, (CF3)2PH". Journal of the American Chemical Society 79 (15): 4242. doi:10.1021/ja01572a072. 
  88. ↑ "1,1,4,4-Tetrafluoro-1,3-butadiene | C4H2F4 | ChemSpider". http://www.chemspider.com/Chemical-Structure.120032.html. 
  89. ↑ Schmuck, Arno; Seppelt, Konrad (February 1987). "Sulfur Pentafluoride Cyanate, F5S-O-C≡N". Angewandte Chemie International Edition in English 26 (2): 134–135. doi:10.1002/anie.198701341. 
  90. ↑ 90.0 90.1 90.2 Demiel, Arye (July 1965). "Structure and Stability of the Bromofluoroethylenes. II. The Geometric Isomers of 1-Bromo-1,2-difluoro- and 1,2-Dibromo-1,2-difluoroethylene". The Journal of Organic Chemistry 30 (7): 2121–2126. doi:10.1021/jo01018a002. 
  91. ↑ Dědek, V.; Chvátal, Z. (May 1986). "Addition of 1,2-dibromo-1-chlorotrifluoroethane to chlorotrifluoroethylene induced by uv-radiation. Synthesis of perfluoro-1,3-butadiene and perfluoro-1,3,5-hexatriene" (in en). Journal of Fluorine Chemistry 31 (4): 363–379. doi:10.1016/S0022-1139(00)81263-4. 
  92. ↑ 92.0 92.1 Anderson, H. H. (October 1962). "Boiling Points and Boiling Point Numbers of Organogermanium Compounds" (in en). Journal of Chemical & Engineering Data 7 (4): 565–567. doi:10.1021/je60015a041. ISSN 0021-9568. 
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  94. ↑ Parsons, Theran D.; Baker, Everett D.; Burg, Anton B.; Juvinall, Gordon L. (January 1961). "A Trifluoromethylboron Compound, CF3BF2". Journal of the American Chemical Society 83 (1): 250–251. doi:10.1021/ja01462a053. 
  95. ↑ Rahm, Martin; Bélanger-Chabot, Guillaume; Haiges, Ralf; Christe, Karl O. (2014-07-01). "Nitryl Cyanide, NCNO 2" (in en). Angewandte Chemie International Edition 53 (27): 6893–6897. doi:10.1002/anie.201404209. PMID 24861214. 
  96. ↑ Spanier, Edward J.; MacDiarmid, Alan G. (February 1963). "The Synthesis of Germylsilane from Silane and Germane in a Silent Electric Discharge" (in en). Inorganic Chemistry 2 (1): 215–216. doi:10.1021/ic50005a055. ISSN 0020-1669. https://pubs.acs.org/doi/abs/10.1021/ic50005a055. 
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  98. ↑ Teal, Gordon K.; Kraus, Charles A. (October 1950). "Compounds of Germanium and Hydrogen. III. Monoalkylgermanes. IV. Potassium Germanyl. V. Electrolysis of Sodium Germanyl". Journal of the American Chemical Society 72 (10): 4706–4709. doi:10.1021/ja01166a100. ISSN 0002-7863. 
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  102. ↑ O'Neill, Gerald J. (20 October 1977). "Stabilization of methyl trifluorovinyl ether US Patent 4127613". https://patents.google.com/patent/US4127613. 
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  107. ↑ Ebsworth, E. A. V. (1963). Volatile Silicon Compounds. Pergamon Press. p. 118. 
  108. ↑ Gilman, Henry; Jones, R. G. (August 1943). "2,2,2-Trifluoroethylamine and 2,2,2-Trifluorodiazoethane". Journal of the American Chemical Society 65 (8): 1458–1460. doi:10.1021/ja01248a005. 
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  123. ↑ Amouroux, David; Donard, Olivier F. X. (1996-07-01). "Maritime emission of selenium to the atmosphere in Eastern Mediterranean seas" (in en). Geophysical Research Letters 23 (14): 1777–1780. doi:10.1029/96GL01271. Bibcode: 1996GeoRL..23.1777A. 
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  126. ↑ Wold, Aaron; Ruff, John K. (2009) (in en). Inorganic Syntheses Volume 14. John Wiley & Sons. p. 45. ISBN 9780470132807. https://books.google.com/books?id=m751CWmh0zEC&pg=PA45. 
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  128. ↑ "1,1,1,2,3-Pentafluoropropane | C3H3F5 | ChemSpider". http://www.chemspider.com/Chemical-Structure.144295.html. 
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  138. ↑ Varetti, E. L.; Aymonino, P. J. (1967). "New photochemical routes to perfluoromethyl carbonate". Chemical Communications (14): 680. doi:10.1039/C19670000680. 
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  140. ↑ De Marco, Ronald A.; Shreeve, Jean'ne M. (May 2002). "Reactions of the fluorimide-potassium fluoride adduct HNF2.KF, with sulfinyl and perfluoroalkylsulfinyl fluorides. Preparation of perfluoroalkyl perfluoroalkylthiosulfonates". Inorganic Chemistry 12 (8): 1896–1899. doi:10.1021/ic50126a040. 
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  142. ↑ "Specialty Gases. Rare Gases. Fluorocarbons". Electronic Fluorocarbons LLC. 2 May 2014. https://www.efgases.com/wp-content/uploads/EFC_Brochure_v3.pdf. 
  143. ↑ Martin, E. L.; Sharkey, W. H. (October 1959). "1,1,4,4-Tetrafluoro-1,2,3-butatriene". Journal of the American Chemical Society 81 (19): 5256–5258. doi:10.1021/ja01528a056. 
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  146. ↑ Ulic, S. E.; von Ahsen, S.; Willner, H. (August 2004). "Photoisomerization of Matrix-Isolated Bis(trifluoromethyl) Sulfoxide: Formation of the Sulfenic Ester CF3SOCF3". Inorganic Chemistry 43 (17): 5268–5274. doi:10.1021/ic049800r. PMID 15310204. 
  147. ↑ "1,1,2,2,3-Pentafluoropropane 411078". https://www.sigmaaldrich.com/catalog/product/aldrich/411078. 
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  149. ↑ "Trifluoromethanesulfonyl chloride 164798". https://www.sigmaaldrich.com/catalog/product/aldrich/164798. 
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