Common Organic Solvents



Solvent

Common Use*

Dielectric Constant (25oC)

acetone C, R, NMR 21
acetonitrile R, UV, NMR 36
benzene R, NMR 4.2
carbon disulfide R, IR, NMR 2.6
carbon tetrachloride R, IR, UV, NMR 2.2
chloroform C, R, UV, IR, NMR 37
DMSO R, NMR 49
ethanol C, R, UV, NMR 24
ether C, R 4
hexane C, R, UV 2.0
methanol C, R, UV, NMR 33
methylene chloride C, R, IR, NMR 9
pyridine R, NMR 12
THF R, NMR 7.3
water C, R, UV, IR, NMR 78.5

*C = cleaning; R = reaction medium; solvents for spectral analysis are denoted UV, IR, and NMR.