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Liquids and Gases - Boiling Points

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The boiling point of a substance is the temperature at which it changes state from liquid to gas throughout the bulk of the liquid. At the boiling point molecules anywhere in the liquid may be vaporized.

The boiling point is defined as the temperature at which the saturated vapor pressure of a liquid is equal to the surrounding atmospheric pressure.

The boiling point at atmospheric pressure (14.7 psia, 1 bar absolute) for some common fluids and gases can be found from the table below:

Liquids and Gases - Boiling Points
ProductBoiling Point at Atmospheric Pressure

Acetaldehyde CH3CHO 20.8
Acetic acid anhydride (CH3COO)2O 139
Acetone CH3COCH3 56.08
Acentonitrile 81.6
Acetylene -84
Acrolein 52.3
Acrylonitrile 77.2
Alcohol - ethyl (grain, ethanol) C2H5OH 79
Alcohol - allyl 97.2
Alcohol - butyl-n 117
Alcohol - Isobutyl 107.8
Alcohol - methyl (methyl alcohol, wood alcohol, wood naphtha or wood spirits) CH3OH 64.7
Alcohol - propyl 97.5
Allylamine 54
Ammonia -35.5
Aniline 184.1
Anisole 153.6
Argon -186
Benzaldehyde 178.7
Benzene (Benzol) C6H6 80.4
Benzonitrile 191.1
Brake Fluid Dot 3 (Dry - Wet boiling points) (Wet includes hygroscopic moisture)  205 - 140
Brake Fluid Dot 4 (Dry - Wet boiling points) 230 - 155
Brake Fluid Dot 5 (Dry - Wet boiling points) 260 - 180
Brake Fluid Dot 5.1 (Dry - Wet boiling points) 270 - 190
Bromine 58.8
Bromobenzene 156.0
1,2-Butadiene 10.9
n-Butane -0.5
1-Butene -6.25
Butanal 74.8
1-Butanol 117.6
2-Butanon 79.6
Butyric acid n 162.5
Camphor 204.0
Carbolic acid (phenol) 182.2
Carbon Bisulfide 47.8
Carbon Dioxide CO2 (sublimates) -78.5
Carbon Disulfide CS2 46.2
Carbon Monoxide -192
Carbon Tetrachloride (Tetrachloroethane) CCl4 76.7
Chlorine -34.4
Chlorobenzene 131.7
Chloroform (Trichloromethane) 62.2
Cyclohexane 80.7
Cyclohexanone 155.4
Cyclopentane 49.3
n - Decane 174
Dichloromethane - see methylene chloride
Diethyl ether 34.4
Dimethyl sulfate 186
Dimethyl sulfide 37.3
Diisopropyl ether 68.4
2,2 - Dimethylpentane 79.2
1,4-Dioxane 101.2
Dowtherm 258
Ethane -88.78
Ether 34.6
Glycerin 290
Ethane C2H6 -88
Ethanol 78.24
Ethylamine 16.6
Ethyl acetate CH3COOC2H3 77.2
Ethylbenzene 136
Ethyl bromide C2H3Br 38.4
Ethylene -103.7
Ethylene bromide 131.7
Ethylene Glycol 197
3 - Ethylpentane 93.5
Fluorine -187
Formaldehyde -19.1
Formic acid 101.0
Trichlorofluoromethane refrigerant R-11 23.8
Dichlorodifluoromethane refrigerant R-12 -29.8
Chlorodifluoromethane refrigerant R-22 -41.2
2,3 - Dimethylbutane 58
Diisobutyl 109
Furfurol 161.5
Fyrfuryl alcohol 168
Gasoline 38 - 204
Glycerine 290
Glycol 197
Helium -269
n-Heptane 98.4
n-Hexane 68.7
Hexylamine 132
Hydrogen -253
Hydrochloric Acid -81.7
Hydrofluoric Acid 18.9
Hydrogen Chloride -81.7
Hydrogen Sulfide -60
Iodine 184.3
Isopropyl Alchol 80.3
Isopropylbenzene hydroperoxide 153
Isobutane -11.72
Isobutene -6.9
Isooctane 99.2
Isopentane 27.8
Isoprene 34.1
Isopropylbenzene 152
Jet fuel 163
Kerosene (paraffin) 150 - 300
Linseed Oil 287
Mercury 356.9
Methane -161.5
Methanol (methyl alcohol, wood alcohol) 64.5
Methyl Acetate 57.2
Methyl Bromide 3.3
Metyl Chloride -23.9
Methylene Chloride(CH2Cl2, dichloromethane) 39.8
Methylamine -6.4
Methyl Ether (C2H6O) -25
Methylcyclohexane 101
Methylcyclopentane 71.8
Methyl iodide 42.6
2 - Methylhexane 90.1
3 - Methylhexane 91.8
2 - Methylpentane 60.3
3 - Methylpentane 63.3
Naphtha 100 - 160
Naphthalene (Napthaline) 217.9
Neohexane 49.7
Neopentane 9.5
Nitric Acid 120
Nitrobenzene 210.9
n - Nonane 150.7
Nitric Acid 120
Nitrogen -196
n - Octane 125.6
Olive oil 300
Oxygen -183
Paraldehyde 124
n - Pentane 36
1 - Pentene 30
Peroxyacetic acid 110
Petrol 95
Petroleum 210
Petroleum ether 35 - 60
Phenol 182
Phosgene 8.3
Phosphoric Acid 213
Propanal 48
Propane -42.04
Propene -47.72
2-Propanol 82.2
Propionic acid 141
Propylamine 47.2
Propylene -47.7
Propylene glycol 187
Saturated brine 108
Styrene 145
Sulphur 444.6
Sulfuric Acid 330
Sulfur dichloride 59.6
Sulfur Dioxide -10
Sulfuryl chloride 69.4
Tar 300
Toluene 110.6
Triptane 80.9
Triethanolamine 350
Turpentine 160
Water 100
Water, sea 100.7
o-Xylene 144.4
m-Xylene 139.1
p-Xylene 138.3
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