Skip to main content

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.

Download Reference Sheet
Material Dielectric Constant
Acetal3.7 - 3.9
Acetic Acid (68°F)6.2
Acetone (77°F)20.7
Acrylic2.1 - 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 disulfide2.6
Carbon tetrachloride (68°F)2.2
Castor Oil (60°F)4.7
Chlorine (32°F)2.0
Chloroform (68°F)4.8
Cotton seed oil3.1
Cresol (63°F)10.6
Cumene (68°F)2.4
Decane (68°F)2
Dodecane (68°F)2
Ethanol24.3
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
Glycerine47-68
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 Oil3.2-3.5
Liquid Crystal3.7 - 10
Mercury (298°F)1.00074
Methane (-280°F)1.7
Methanol33
Napthalene (68°F)2.5
Nylon 6/63.1 - 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
Phosgene4.7
Pinene (68°F)2.7
Polyacrylate2.6 - 3.1
Polycarbonate2.9 - 3.8
Polyester, TP3.0 - 4.5
Polyphenylene sulfide2.9 - 4.5
Polypropylene2.3 - 2.9
Polysulfone2.7 - 3.8
PPO, Modified2.4 - 3.1
Propane (32°F)1.6
Propanol (177°F)20.1
Propylene11.9
Pyridine (68°F)12.5
Resorcinol3.2
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