Dr. KnowGC Polarities according to Rohrschneider and
LC Elution Strengths according to Snyder
| Solvent | GC Polarity | Elution Strengths | UV Cut-Off [nm] |
Refractive Index | ||
|---|---|---|---|---|---|---|
| on Al2O3 | on Silica | on C18 | ||||
| Squalane | -0.8 |
|
|
|
|
|
| Isooctane | -0.4 | 0.01 | 0.01 | 197-210 | 1.404 | |
| n-Decane | -0.3 | 0.04 |
|
210 | 1.412 | |
| Pentane | 0.0 | 0.00 | 0.00 | 210 |
|
|
| Hexane | 0.0 | 0.00 | 0.00 | 210 | 1.375 | |
| Cyclohexane | 0.0 | 0.04 | 0.03 | 210 | 1.427 | |
| Carbon disulfide | 1.0 | 0.15 |
|
380 |
|
|
| Carbon tetrachloride | 1.7 | 0.18 | 0.12 | 265 | 1.466 | |
| Triethylamine | 1.8 |
|
|
|
1.401 | |
| Diisopropyl ether | 2.2 | 0.28 | 0.22 | 220 | 1.368 | |
| Toluene | 2.3 | 0.29 | 0.23 | 285 | 1.496 | |
| p-Xylene | 2.4 | 0.26 |
|
290 |
|
|
| Diethyl ether | 2.9 | 0.38 | 0.29 | 220 |
|
|
| Tert.-butyl methyl ether | 2.9 |
|
0.35 | 210 | 1.370 | |
| Benzene | 3.0 | 0.32 | 0.27 | 280 | 1.501 | |
| n-Octanol | 3.2 |
|
|
|
|
|
| Dibenzyl ether | 3.3 |
|
|
|
|
|
| Dichloromethane | 3.4 | 0.42 | 0.32 | 232 | 1.424 | |
| Dichloroethane | 3.7 |
|
|
|
||
| Dichloroethene | 3.7 | 0.49 | 0.38 | 230 | 1.445 | |
| tert.-Butanol | 3.9 |
|
|
|
|
|
| n-Propanol | 3.9 | 0.82 |
|
10.1 | 210 |
|
| Methyl isobutyl keton | 4.2 | 0.43 |
|
330 |
|
|
| Tetrahydrofuran | 4.2 | 0.45 | 0.35 | 3.7 | 212-230 | 1.408 |
| Ethyl acetate | 4.3 | 0.58 | 0.38-0.45 | 256 | 1.370 | |
| Isopropanol | 4.3 | 0.82 | 0.63 | 8.3 | 210+ |
|
| Methyl acetate | 4.4 | 0.60 | 0.46 | 260 | 1.362 | |
| Chloroform | 4.4 | 0.36-0.40 | 0.26 | 245 | 1.443 | |
| Butanone | 4.5 |
|
|
|
|
|
| Cyclohexanone | 4.5 |
|
|
|
||
| Nitrobenzene | 4.5 |
|
|
|
||
| Methyl ethylketon | 4.5 | 0.51 | 0.39 | 330 | 1.379 | |
| Benzonitrile | 4.6 |
|
|
|
||
| 2-Picoline | 4.8 |
|
|
|
|
|
| Dioxane | 4.8 | 0.56 |
|
11.7 | 220 |
|
| Diethylene glycol | 5.0 |
|
|
|
|
|
| Ethanol | 5.2 | 0.88 | 0.68 | 3.1 | 205-210 | 1.361 |
| Nitroethane | 5.3 |
|
|
380 | 1.392 | |
| Pyridine | 5.3 | 0.71 | 0.55 | 305-330 | 1.510 | |
| Acetone | 5.4 | 0.56-0.58 | 0.47-0.53 | 8.8 | 330 | 1.359 |
| Ethylene glycol | 5.4 | 1.11 |
|
210 |
|
|
| Benzylalcohol | 5.5 |
|
|
|
|
|
| Methoxyethanol | 5.7 | 0.74 |
|
220 | 1.401 | |
| Acetonitrile | 6.2 | 0.55-0.65 | 0.50 | 3.1 | 190 | 1.344 |
| Dimethylformamide | 6.4 |
|
|
7.6 | 268 | 1.431 |
| N-Methylpyrrolidon | 6.5 |
|
|
285 |
|
|
| Dimethylsulfoxide | 6.5 | 0.62 | 0.41 | 268 | 1.478 | |
| Hexamethylphosphoric acid triamide (HMPA) | 6.6 |
|
|
|
|
|
| Methanol | 6.6 | 0.95 | 0.73 | 1.0 # | 205 | 1.329 |
| Nitromethane | 6.8 |
|
|
|
1.380 | |
| Formamide | 7.3 |
|
|
210 | 1.450 | |
| Water | 9.0 | large |
|
180 | 1.333 | |
| Tetrafluoropropanol | 9.3 |
|
|
|
|
|
#: reference value