常见酸碱的电离常数解离常数

1、常见酸碱的电离常数数）（解离常作者:日期:无机酸在水溶液中的解离常数（25C）Dissociation Constants of Mineral Acids in Aqueous Solutio(h25C)序号(No.)名称(Name)化学式(Chemical formula)KapKa1偏铝酸HAlO 26.3 X10-1312.20234亚砷酸H3ASO36.0 X10-109.22砷酸H3ASO46.3 X10-3 (K1)2.20-71.05 床07 (K 2)6.98-123.2 X0 12 (K3)11.50硼酸H3BO35.8 M0-10 (K1)9.24131.8 X0(K2)

2、12.74-141.6 X0 (K3)13.805次溴酸HBrO-92.4 X08.626氢氰酸HCN-106.2 X09.217碳酸H2CO3-74.2 M0 (K1)6.38-115.6 X0 (K2)10.258次氯酸HClO-83.2 X07.509氢氟酸HF-46.61 103.1810错酸H2GeO 31.7 列0-9 (K1)8.78131.9 X0 (K2)12.7211高碘酸HIO 42.8 M0-21.5612亚硝酸HNO 25.1 M0-43.2913次磷酸H3PO25.9 M0-21.23141亚磷酸H3PO325.0 10 (K1)1.30-72.5 X0 (K2)6

3、.6015!I磷酸H3PO47.52 10-3 (K1)2.12_86.31 10 (K2)7.20134.4 10- (K3)12.3616焦磷酸H4P2O73.0 10-2 (K1)1.524.4 10- (K2)2.36-72.5 10 (K3)6.60-105.6 10 (K4)9.2517氢硫酸H2S-71.3 10 (K1)6.88-157.1 10(K2)14.151819亚硫酸H2SO31.23 XIO-2 (K1)1.91-86.6 X0 (K2)7.18硫酸H2SO41.0 X03(K1)-3.01.02 X0-2 (K2)1.9920硫代硫酸H 2S2O 32.52 10

4、-1 (K1)0.601.9 X10-2 (K2)1.7221i氢硒酸H2Se-41.3 X10 (K1)3.89-111.0 X10 (K2)11.0221亚硒酸H2SeO32.7 X10-3 (K1)2.57-72.5 X0 7 (K2)6.6023硒酸H 2SeO41X103(K1)-3.0-21.2 X102 (K2)1.9224硅酸H2SQ31.7 X10-10 (K1)9.77-121.6 X0 (K2)11.8025亚碲酸H2TeO32.7 X10-3 (K1)2.57-81.8 X10 (K2)7.74无机碱在水溶液中的解离常数(25C)oDissociation Consta

5、nts of Mineral Bases in Aqueous Solution 25 C)序号(No.)名称(Name)化学式(Chemical formula)KbpKb1氢氧化铝Al(OH) 3-91.38 10 (K3)8.862氢氧化银AgOH-41.10 103.963氢氧化钙Ca(OH) 23.72 102.43-23.98 10 21.404氨水NH3+H2O51.78 104.755肼（联氨）N2H4+H 2O-79.55 10 7(K1)6.02151.26 10 (&)14.96羟氨NH2OH+H 2Oq9.12 108.047氢氧化铅Pb(OH) 2-49.55 10

6、4(K1)3.02-83.0 10 (K2)7.528氢氧化锌Zn(OH) 2-49.55 103.02有机碱在水溶液中的解离常数（25C）Dissociation Constants of Organic Bases in Aqueous Solution25C)序号(No.)名称(Name)化学式(Chemical formula)KbpKb1甲胺CH 3NH 2-44.17 T03.382尿素（脲）CO(NH 2)2-141.5 X013.823乙胺CH 3CH 2NH 2-44.27 T03.374乙醇胺H2N(CH 2)2OH53.16 T04.505乙二胺H2N(CH 2)2NH

7、28.51 T0(K1)4.07-87.08 T0 (K2)7.156二甲胺(CH 3)2NH-45.89 T03.237三甲胺(CH 3)3N-56.31 淙04.208三乙胺(C2H5)3N-45.25 床03.289丙胺C3H 7NH2-43.70 T03.43210异丙胺i-C 3H 7NH 2-44.37 T03.361,3-丙二胺NH 2(CH 2)3NH 2-42.95 T0 (K1)3.5311-63.09 淙0 (K2)5.511,2-丙二胺CH 3CH(NH 2)CH 2NH 255.25 T0 (K1)4.2812-84.05 T08(K2)7.39313三内胺(CH 3

8、CH2CH 2)3N-44.57 T03.3414三乙醇胺(HOCH 2CH 2)3N-75.75 T06.2415丁胺C4H 9NH2-44.37 T043.3616异丁胺C4H 9NH2-42.57 T043.5917叔丁胺C4H 9NH2-44.84 T043.31518己胺H(CH 2)6NH2-44.37 T03.3619辛胺H(CH 2)8NH2-44.47 淙03.3520苯胺C6H 5NH2-103.98 淙09.4021苄胺C7H 9N-52.24 淙04.6522环己胺C6H11NH2-44.37 T03.3623吡啶C5H 5N-91.48 淙08.8324六亚甲基四胺(

9、CH 2)6N4-91.35 淙08.87252-氯酚C6H 5ClO-63.55 T05.45263-氯酚C6H 5ClO51.26 床04.90274-氯酚CeH 5CIO52.69 T04.57-|28邻氨基苯酚(o)H2NC6H4OH55.2 X04.2851.9 X04.7229间氨基苯酚(m)H 2NC6H4OH57.4 X04.1356.8 X04.1730对氨基苯酚(p)H2NC6H4OH-42.0 X03.70-63.2 X05.5031邻甲苯胺(o)CH 3C6H4NH2-102.82 109.5532间甲苯胺(m)CH 3C6H4NH2-105.13 09.2933对甲苯

10、胺(p)CH 3C6H4NH291.20 08.92348-羟基喹啉(20 C )8-HO C9H6N56.5 04.1935二苯胺(C6H5)2NH-147.94 013.136联苯胺H2NC 6H4C6H4NH2-105.01 0 (K1)9.30-114.27 0 11 (K2)10.37有机酸在水溶液中的解离常数(25C)Dissociation Constants of Organic Acids in Aqueous SolutiQr25C)序号(No.)名称(Name)化学式(Chemical formula)KapKa1甲酸HCOOH-41.8 043.752乙酸CH 3COO

11、H1.74 04.763乙醇酸CH 2(OH)COOH-41.48 10 43.834草酸(COOH) 2-25.4 X02(K1)1.27-55.4 10 (K2)4.275甘氨酸CH 2(NH 2)COOH-101.7 109.786一氯乙酸CH 2CICOOH-31.4 102.867二氯乙酸CHCI 2COOH-25.0 101.308三氯乙酸CCI3COOH-12.0100.709丙酸CH 3CH 2COOH-51.35 104.8710丙烯酸CH 2 CHCOOH55.5 104.2611乳酸(丙醇酸)CH 3CHOHCOOH-41.4 1043.8612丙一酸HOCOCH 2CO

12、OH31.4 X0 (K1)2.85-62.2 X06(K2)5.66132-丙炔酸HO CCOOH1.29床0-21.8914甘油酸HOCH 2CHOHCOOH2.2910-43.6415丙酮酸CH 3COCOOH3.2X0-32.49160（-丙胺酸CH 3CHNH 2COOH1.3510-109.8717B丙胺酸CH 2NH 2CH 2COOH4.4-11X010.3618正丁酸CH 3(CH 2)2COOH1.52-5104.8219异丁酸(CH 3)2CHCOOH1.41-5104.85203-丁烯酸CH 2 CHCH2COOH2.1X0-54.6821异丁烯酸CH 2 C(CH2)

13、COOH2.2X0-54.6622反丁烯二酸（富马酸）HOCOCCHCOOH9.3-4为04(心)3.033.65X0 (K2)4.4423顺丁烯二酸（马来酸）HOCOCCHCOOH1.2-2为02（心）1.925.9-7X0 (K2)6.2324酒石酸HOCOCH(OH)CH(OH)COOH1.0410(K1)2.984.55510 (&)4.3425正戊酸CH 3(CH 2)3COOH1.4-5X04.8626异戊酸(CH 3)2CHCH 2COOH1.6710-54.78272-戊烯酸CH 3CH 2CH- CHCOOH2.0X0-54.70283-戊烯酸CH 3CH CHCH 2COO

14、H3.0-5X04.52294-戊烯酸CH 2 CHCH2CH2COOH2.10-5104.67730戊二酸HOCO(CH 2)3COOH1.7-4X0 (K1)3.778.3-7X0 (K2)6.0831谷氨酸HOCOCH 2CH2CH(NH 2)COOH7.4-3X0 (K1)2.134.95X0 (K2)4.314.4X0-10 (K3)9.35832正己酸CH 3(CH 2)4COOH1.3910-54.8633异己酸(CH 3)2CH(CH 2)3 COOH1.4310-54.8534（E）-2-己烯酸H(CH 2)3CH- CHCOOH1.8X0-54.7435（E）-3-己烯酸C

15、H 3CH 2CH CHCH 2COOH1.9-5X04.7236己二酸HOCOCH 2CH2CH2CH 2COOH3.8-5X0 (K1)4.423.9-6X06(K2)5.4137柠檬酸HOCOCH 2C(OH)(COOH)CH 2COOH7.4-4X04(K1)3.131.75X0 (K2)4.764.0-7X0 (K3)6.4038苯酚C6H5OH1.1y-10X09.9639邻苯二酚(o)C6H4(OH) 23.6X0-109.451.6X0-1312.840间苯二酚(m)C 6H4(OH) 2-103.6 X0 (K1)9.308.7110-12(K2)11.0641对苯二酚(P)

16、C6H4(OH) 21.1X0-19.96422,4,6-三硝基苯酚2,4,6-(NO 2)aC6H 2OH5.1X0-10.2943葡萄糖酸CH 2OH(CHOH) 4COOH1.4-4X03.8644苯甲酸C6H5COOH6.3-5X04.2045水杨酸C6H4(OH)COOH-31.05 沐0 (K1)2.984.17-13r 10 (K2)12.3846邻硝基苯甲酸(o)NO2C6H4COOH6.6X0-32.1847间硝基苯甲酸(m)NO2C6H4COOH3.5X0-43.4648对硝基苯甲酸(p)NO2C6H4COOH3.6X0-43.4449邻苯二甲酸(o)C6H4(COOH) 21.13为0（心）2.964.0-6为06(K2)5.4050间苯二甲酸(m)C 6H4(COOH) 22.4-4为04(心)3.622.55X0(K2)4.6051对苯二甲酸(p)C6H4(COOH) 22.9-4X0 (K1)3.543.5-5X0 (K2)4.46521,3,5-苯三甲酸C6H3(COOH) 37.6-3X0 (K1)2.127.9-5X0 (K2)4.106.6-6X0 (K3)5.1853苯基六羧酸C6(COOH) 62.1-1