Burdick & Jackson solvents are arranged in order of
increasing polarity index, a relative measure of the degree of interaction
of the solvent with various polar test solutes.
|
Polarity Index
(P´) |
Pentane |
0.0 |
1,1,2-Trichlorotrifluoroethane |
0.0 |
Cyclopentane |
0.1 |
Heptane |
0.1 |
Hexane |
0.1 |
|
|
Iso-Octane |
0.1 |
Petroleum
Ether |
0.1 |
Cyclohexane |
0.2 |
n-Butyl
Chloride |
1.0 |
|
|
Toluene |
2.4 |
Methyl
t-Butyl Ether |
2.5 |
o-Xylene |
2.5 |
Chlorobenzene |
2.7 |
o-Dichlorobenzene |
2.7 |
|
|
Ethyl
Ether |
2.8 |
Dichloromethane |
3.1 |
Ethylene
Dichloride |
3.5 |
n-Butyl
Alcohol |
3.9 |
Isopropyl
Alcohol |
3.9 |
|
|
n-Butyl
Acetate |
4.0 |
Isobutyl
Alcohol |
4.0 |
Methyl
Isoamyl Ketone |
4.0 |
n-Propyl
Alcohol |
4.0 |
Tetrahydrofuran |
4.0 |
|
|
Chloroform |
4.1 |
Methyl
Isobutyl Ketone |
4.2 |
Ethyl
Acetate |
4.4 |
Methyl
n-Propyl Ketone |
4.5 |
Methyl
Ethyl Ketone |
4.7 |
|
|
1,4-Dioxane |
4.8 |
Acetone |
5.1 |
Methanol |
5.1 |
Pyridine |
5.3 |
2-Methoxyethanol |
5.5 |
|
|
Acetonitrile |
5.8 |
Propylene
Carbonate |
6.1 |
N,N-Dimethylformamide |
6.4 |
Dimethyl
Acetamide |
6.5 |
N-Methylpyrrolidone |
6.7 |
|
|
Dimethyl
Sulfoxide |
7.2 |
Water |
10.2 |
Not included:
Ethyl Alcohol
Glyme
Isopropyl Myristate
1,2,4-Trichlorobenzene
Triethylamine
Trifluoroacetic Acid
|