部分酸的PKa值

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1、部分酸的PKa值砷酸H3AsO4PKa=2.27.0011.50亚砷酸HAsO2PKa=9.22硼酸H3BO3PKa=9.24焦硼酸H2B4O7PKa=49碳酸H2CO3PKa=6.3810.21氢氰酸HCNPKa=9.21铬酸H2CrO4PKa=0.746.50氢氟酸HFPKa=3.18亚硝酸HNO2PKa=3.29过氧化氢H2O2PKa=11.75磷酸H3PO4PKa=2.127.212.36焦磷酸H4P2O7PKa=1.522.366.609.25亚磷酸H3PO3PKa=1.36.60氢硫酸H2SPKa1=7.0518.

2、15硫酸H2SO4PKa2=1.99亚硫酸H2SO3PKa=1.97.20偏硅酸H2SiO3PKa=9.7711.8甲酸HCOOHPKa=3.74乙酸CH3COOHPKa=4.74一氯乙酸CH2ClCOOHPKa=2.86二氯乙酸CHCl2COOHPKa=1.3三氯乙酸Cl3COOHPKa=0.64氨基乙酸盐+NH3CH2COOHPKa=2.359.6乳酸CH3CHOHCOOHPKa=3.86苯甲酸C6H5COOHPKa=4.21草酸H2C2O4PKa=1.224.19d-酒石酸HOOCHOHC-CHOHCOOHPKa=3.0

3、44.37邻-苯二甲酸HOOC-Ph-COOHPKa=2.955.41柠檬酸HOOCOHC-(CH2COOH)2PKa=3.134.766.4苯酚C6H5OHPKa=9.95乙二胺四乙酸H6-EDTA2+PKa=0.91.62.02.676.1610.26铵离子NH4+PKa=9.26联铵离子+H3NNH3+PKa=8.48羟铵离子NH3+OHPKa=5.96甲胺离子CH3NH3+PKa=10.62乙胺离子C2H5NH3+PKa=10.75二甲胺离子(CH3)2NH2+PKa=10.07二乙胺离子(C2H5)2NH2+PKa=

4、11.11乙醇胺离子HOCH2CH2NH3+PKa=9.50三乙醇胺离子(HOCH2CH2)3NH+PKa=7.76六亚甲基四胺离子(CH2)6NH+PKa=5.15乙二胺离子+H3NCH2CH2NH3+PKa1=6.85PKa2=9.93部分有机酸甲酸HCOOHPKa=3.77乙酸CH3COOHPKa=4.74丙酸CH3CH2COOHPKa=4.87丁酸CH3CH2CH2COOHPKa=4.82阿尔法氯代丁酸CH3CH2CHClCOOHPKa=2.84贝塔氯代丁酸CH3CHClCH2COOHPKa=4.06伽马氯代丁酸ClC

5、H2CH2CH2COOHPKa=4.52氯乙酸ClCH2COOHPKa=2.86二氯乙酸(Cl)2CHCOOHPKa=1.26三氯乙酸(Cl)3CCOOHPKa=0.64氟乙酸FCH2COOHPKa=2.66氯乙酸ClCH2COOHPKa=2.86溴乙酸BrCH2COOHPKa=2.86碘乙酸ICH2COOHPKa=3.21