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AE TOOLBOX

Dielectric Constant of Solutions

The relative permittivity, or dielectric constant, is a dimensionless material property which represents a material's dielectric permittivity as a ratio relative to the permittivity of a vacuum.

Material Dielectric Constant
Acetal 3.7 - 3.9
Acetic Acid (68°F) 6.2
Acetone (77°F) 20.7
Acrylic 2.1 - 3.9
Ammonia (aqua) (68°F) 16.5
Aniline (68°F) 7.3
Benzene (68°F) 2.3
Bromine (68°F) 3.1
Butane (30°F) 1.4
Caproic acid (160°F) 2.6
Carbon disulfide 2.6
Carbon tetrachloride (68°F) 2.2
Castor Oil (60°F) 4.7
Chlorine (32°F) 2.0
Chloroform (68°F) 4.8
Cotton seed oil 3.1
Cresol (63°F) 10.6
Cumene (68°F) 2.4
Decane (68°F) 2
Dodecane (68°F) 2
Ethanol 24.3
Ether (68°F) 4.3
Ethylamine (70°F) 6.3
Ethylene glycol (68°F) 37
Fluorine (freon) refrigerant R-11 (77°F) 2
Fluorine refrigerant R-12 (77°F) 2
Fluorine refrigerant R-22 (77°F) 2
Furan (77°F) 3
Furfural (68°F) 42
Gasoline (70°F) 2
Glycerine 47-68
Glycerol (77°F) 42.5
Heptane (68°F) 1.9
Hexane (130°F) 2
Hexanol (77°F) 13.3
Hydrazine (68°F) 52
Jet fuel (70°F) 1.7
Kerosene (70°F) 1.8
Linoleic Acid (32°F) 2.6-2.9
Linseed Oil 3.2-3.5
Liquid Crystal 3.7 - 10
Mercury (298°F) 1.00074
Methane (-280°F) 1.7
Methanol 33
Napthalene (68°F) 2.5
Nylon 6/6 3.1 - 8.3
Octane (68°F) 2
Olive Oil (68°F) 3.1
Oxygen (-315°F) 1.51
Palmitic Acid (160°F) 2.3
Pentane (68°F) 1.8
Phenol (50°F) 4.3
Phosgene 4.7
Pinene (68°F) 2.7
Polyacrylate 2.6 - 3.1
Polycarbonate 2.9 - 3.8
Polyester, TP 3.0 - 4.5
Polyphenylene sulfide 2.9 - 4.5
Polypropylene 2.3 - 2.9
Polysulfone 2.7 - 3.8
PPO, Modified 2.4 - 3.1
Propane (32°F) 1.6
Propanol (177°F) 20.1
Propylene 11.9
Pyridine (68°F) 12.5
Resorcinol 3.2
Stearic Acid (160°F) 2.3
Styrene (77°F) 2.4
Terpinene (70°F) 2.7
Toluene (68°F) 2.4
Turpentine (wood) (68°F) 2.2
Water (68°F) 80.4