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Solvent polarities

Polarity index numbers for solvents

SolventPolarity Index value
cyclohexane 0
hexane 0
carbon disulfide 0.3
toluene 2.3
ethyl ether 2.8
benzene 3
dichloromethane 3.4
chloroform 4.1
tetrahydrofuran 4.2
ethyl acetate 4.3
1-propanol 4.3
2-propanol 4.3
ethanol 5.2
pyridine 5.3
acetone 5.4
acetonitrile 6.2
dimethylsulfoxide 6.5
methanol 6.6
water 9
Created by: katwilli