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