常用用有机溶剂的相对极性

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1、常用用有机溶剂的相对极性常用用有机溶剂的相对极性solvent    polarity  Viscosity(cp20℃) Boilingpoint(℃)  UVcutoff(nm)i-pentane戊烷  0.00            --        30              --n-pentane        0.00        0.23      36              210Petroleumether石油醚0.01        0.30      30-60            210Hexane己烷      0.06     

2、   0.33      69              210Cyclohexane环己烷  0.10        1.00        81            210Isooctane异辛烷    0.10        0.53        99            210Trifluoroaceticacid三氟乙酸 0.10      --          72              --Trimethylpentane三甲基戊烷0.10        0.47      99            215Cyclopentane(环戊烷) 

3、 0.20        0.47      49            210n-heptane(庚烷)      0.20        0.41      98            200Butylchloride(丁基氯;丁酰氯)    1.00        0.46      78            220Trichloroethylene(三氯乙烯;乙炔化三氯)1.00        0.57        87            273Carbontetrachloride(四氯化碳)        1.60        0.97      

4、77            265Trichlorotrifluoroethane(三氯三氟代乙烷)    1.90        0.71      48            231i-propylether(丙基醚;丙醚)      2.40        0.37      68            220Toluene(甲苯)        2.40        0.59      111            285p-xylene(对二甲苯)    2.50        0.65      138            290Chlorobenzen

5、e(氯苯)  2.70        0.80      132            --o-dichlorobenzene(领二氯苯)          2.70        1.33      180            295Ethylether(二乙醚;醚)  2.90        0.23      35            220Benzene(苯)        3.00        0.65        80            280Isobutylalcohol(异丁醇)  3.00        4.70      108     

6、       220Methylenechloride(二氯甲烷)3.40      0.44        40            245Ethylenedichloride(二氯化乙烯)3.50    0.79        84            228n-butanol(丁醇)      3.90        2.95        117          210n-butylacetate(醋酸丁酯;乙酸丁酯)4.00  ---        126          254n-propanol(丙醇)      4.00        2.27 

7、       98          210Methylisobutylketone  4.20        --        119          330Tetrahydrofuran(四氢呋喃)4.20        0.55        66          220ethanol            4.30        1.20        79          210Ethylacetate        4.30        0.45        77          260i-propanol(丙醇