Common solvents arranged from the least polar to the most polar
Solvent | Relative Polarity |
---|---|
hexane | 0.009 |
p-xylene | 0.074 |
toluene | 0.099 |
benzene | 0.111 |
ether | 0.117 |
methyl t-butyl ether (MTBE) | 0.124 |
diethylamine | 0.145 |
dioxane | 0.164 |
chlorobenzene | 0.188 |
tetrahydrofuran (THF) | 0.207 |
ODCB (orthodichlorobenzene) | 0.225 |
ethyl acetate | 0.228 |
dimethoxyethane (DME; glyme) | 0.231 |
pyridine | 0.302 |
methylene chloride | 0.309 |
HMPT | 0.315 |
1,2-dichloroethane | 0.327 |
DMPU | 0.352 |
acetone | 0.355 |
dimethylformamide (DMF) | 0.386 |
t-butyl alcohol | 0.389 |
sulfolane | 0.41 |
dimethylsulfoxide (DMSO) | 0.444 |
acetonitrile | 0.46 |
nitromethane | 0.481 |
2-propanol | 0.546 |
benzyl alcohol | 0.608 |
acetic acid | 0.648 |
ethanol | 0.654 |
methanol | 0.762 |
ethylene glycol | 0.79 |
trifluoroethanol | 0.898 |
hexafluoroisopropanol | 0.969 |
water | 1 |
Source: “Solvents and Solvent Effects in Organic Chemistry,” Christian Reichardt https://onlinelibrary.wiley.com/doi/book/10.1002/9783527632220