Illustrated Glossary of Organic Chemistry

Nonpolar solvent: A solvent with dielectric constant (ε) < 20.

Some Common Nonpolar Aprotic Solvents





Dichloromethane
ε = 9.1
  
Tetrahydrofuran (THF)
ε = 7.6
  
Ether
ε = 4.3
  
Hexane
ε = 1.9

Some Common Nonpolar Protic Solvents


Acetic acid
ε = 6.2
  
1-Octanol
ε = 10.3