实验室常用溶剂极性表

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1、Solventpolaritybpn-pentane（正戊烷）036Petroleumether(石油醚)0.0130-60Hexane(己烷)0.0669Cyclohexane(环己烷)0.181Trifluoroaceticacid(三氟乙酸)0.172Cyclopentane(环戊烷)0.249n-heptane(庚烷)0.298Carbontetrachloride(四氯化碳)1.677Toluene(甲苯)2.4111p-xylene(对二甲苯)2.5138Chlorobenzene(氯苯)2.7132Ethylether(乙醚)2.935Benzene(苯)380Iso

2、butylalcohol(异丁醇)3108Methylenechloride(二氯甲烷)3.440n-butanol(正丁醇)3.9117n-butylacetate(乙酸丁酯)4126n-propanol(正丙醇)498Tetrahydrofuran(四氢呋喃)4.266Ethanol（乙醇）4.379Ethylacetate（乙酸乙酯）4.377i-propanol(异丙醇)4.382Chloroform(氯仿)4.461Methylethylketone(甲基乙基酮)4.580Dioxane(二氧六环)4.8102Pyridine(吡啶)5.3115Acetone(丙酮)5.

3、457Nitromethane(硝基甲烷)6101Aceticacid(乙酸)6.2118Acetonitrile(乙腈)6.282Aniline(苯胺)6.3184Dimethylformamide(DMF)6.4153Methanol（甲醇）6.665Ethyleneglycol(乙二醇)6.9197Dimethylsulfoxide（二甲亚砜）7.2189Water（水）10.2100Solventpolaritybpn-pentane（正戊烷）036Petroleumether(石油醚)0.0130-60Hexane(己烷)0.0669Cyclohexane(环己烷)0.1

4、81Trifluoroaceticacid(三氟乙酸)0.172Cyclopentane(环戊烷)0.249n-heptane(庚烷)0.298Carbontetrachloride(四氯化碳)1.677Toluene(甲苯)2.4111p-xylene(对二甲苯)2.5138Chlorobenzene(氯苯)2.7132Ethylether(乙醚)2.935Benzene(苯)380Isobutylalcohol(异丁醇)3108Methylenechloride(二氯甲烷)3.440n-butanol(正丁醇)3.9117n-butylacetate(乙酸丁酯)4126n-pr

5、opanol(正丙醇)498Tetrahydrofuran(四氢呋喃)4.266Ethanol（乙醇）4.379Ethylacetate（乙酸乙酯）4.377i-propanol(异丙醇)4.382Chloroform(氯仿)4.461Methylethylketone(甲基乙基酮)4.580Dioxane(二氧六环)4.8102Pyridine(吡啶)5.3115Acetone(丙酮)5.457Nitromethane(硝基甲烷)6101Aceticacid(乙酸)6.2118Acetonitrile(乙腈)6.282Aniline(苯胺)6.3184Dimethylformam

6、ide(DMF)6.4153Methanol（甲醇）6.665Ethyleneglycol(乙二醇)6.9197Dimethylsulfoxide（二甲亚砜）7.2189Water（水）10.2100Solventpolaritybpn-pentane（正戊烷）036Petroleumether(石油醚)0.0130-60Hexane(己烷)0.0669Cyclohexane(环己烷)0.181Trifluoroaceticacid(三氟乙酸)0.172Cyclopentane(环戊烷)0.249n-heptane(庚烷)0.298Carbontetrachloride(四氯化碳)

7、1.677Toluene(甲苯)2.4111p-xylene(对二甲苯)2.5138Chlorobenzene(氯苯)2.7132Ethylether(乙醚)2.935Benzene(苯)380Isobutylalcohol(异丁醇)3108Methylenechloride(二氯甲烷)3.440n-butanol(正丁醇)3.9117n-butylacetate(乙酸丁酯)4126n-propanol(正丙醇)498Tetrahydrofuran(四氢呋喃)4.26