酸堿的電離常數(shù)解離常數(shù)

1、酸堿的電離常數(shù)（解離常數(shù)）常見酸堿的電離常數(shù)大學(xué)化學(xué)參考數(shù)據(jù)無機酸在水溶液中的解離常數(shù)（25°C）序號(No.)名稱化學(xué)式KapKa1偏鋁酸HAIO 26.3 X0-1312.202亞砷酸H 3AsO 3/C-1°6.0 X09.223砷酸H 3AsO 46.3 X0-3 (K1)2.201.05 X0-7 (K 2)6.983.2 XO-12 (K3)11.504硼酸H3BO35.8 X0-1° (K1)9.241.8 XO-13 (K2)12.741.6 X0-14 (K3)13.805次溴酸HBrO2.4 X0-98.626氫氰酸HCN6.2 10-109.

2、217碳酸H2CO34.2 X0-7 (K1)6.385.6 X0-11(K2)10.258次氯酸HClO3.2 X0-87.509氫氟酸HF6.61 10-43.1810錯酸H2GeO31.7 X0-9 (K1)8.781.9 X0-13 (K2)12.7211高碘酸HIO 42.8 X0-21.5612亞硝酸HNO 25.1 X0-43.2913次磷酸H3PO25.9 10-21.2314亞磷酸H3PO35.0 X0-2 (K1)1.302.5 X0-7 (K2)6.6015磷酸H3PO47.52 10-3 (K1)2.126.31 10-8 (K2)7.204.4 X0-13 (K3)1

3、2.3616焦磷酸H4P2O73.0 X0-2 (K1)1.524.4 X0-3 (K2)2.362.5 X0-7 (K3)6.605.6 X0-10 (K4)9.2517氫硫酸H2S1.3 X0-7 (K1)6.887.1 X0-15 (K2)14.1518亞硫酸H2SO31.23 X0-2 (K1)1.916.6 XO-8 (K2)7.1819硫酸H2SO41.0 X03 (K1)-3.01.02 10-2 (K2)1.9920硫代硫酸H 2S2O 32.52 10-1 (K1)0.601.9 X0-2 (K2)1.7221氫硒酸H2Se1.3 X0-4 (K1)3.891.0 X0-11

4、(K2)11.022亞硒酸H 2SeO32.7 X0-3 (K1)2.572.5 X0-7 (K2)6.6023硒酸H2SeO41 X103(K1)-3.01.2 X0-2 (K2)1.9224硅酸H2SQ31.7 X0-10 (K1)9.771.6 X0-12 (K2)11.8025亞碲酸H2TeO 32.7 X0-3 (K1)2.571.8 X0-8 (K2)7.74無機堿在水溶液中的解離常數(shù)（25°C）序號名稱化學(xué)式Kbp Kb1氫氧化鋁AI(OH) 31.38 10-9(K3)8.862氫氧化銀AgOH1.10 10-43.963氫氧化鈣Ca(OH) 23.72 10-32.

5、433.98 10-21.404氨水NH3+H2O1.78 10-54.755肼（聯(lián)氨）N2H4+H 2O9.55 10-7(K1)6.021.26 10-15(K2)14.96羥氨NH2OH+H 2O9.12 10-98.047氫氧化鉛Pb(OH) 2-49.55 10 (K1)3.02-83.0 108(K2)7.528氫氧化鋅Zn(OH) 29.55 10-43.02有機堿在水溶液中的解離常數(shù)(25oC)Dissociati on Con sta nts of Orga nic Bases in Aqueous Soluti on(25°C)序號(No.)名稱(Name)化學(xué)式

6、(Chemical formula)KbpKb1甲胺CH 3NH244.17 沫043.382尿素（脲）CO(NH 2)2141.5 XO13.823乙胺CH 3CH2NH 244.27 XO43.374乙醇胺H2N(CH 2)2OH3.16 XO-54.5O5乙二胺H2N(CH 2)2NH 28.51 X0-5(K“4.O77.08 X0-8(K2)7.156二甲胺(CH 3)2NH5.89 XO-43.237三甲胺(CH 3)3N6.31 XO-54.2O8三乙胺(C2H5)3N45.25 XO43.289丙胺C3H 7NH23.7O XO43.43210異丙胺i-C 3H 7NH 24.

7、37 XO43.361,3-丙二胺NH 2(CH 2)3NH 22.95 XO-4(K1)3.53113.O9 XO-6(K2)5.511,2-丙二胺CH 3CH(NH 2)CH 2NH 25.25 XO-5(K1)4.28124.O5 XO-8(K2)7.39313三內(nèi)胺(CH 3CH2CH 2)3N4.57 XO-43.3414三乙醇胺(HOCH 2CH 2)3N5.75 XO-76.2415丁胺C4H 9NH24.37 XO-43.3616異丁胺C4H 9NH22.57 XO-43.5917叔丁胺C4H 9NH24.84 XO-43.31518己胺H(CH 2)6NH24.37 XO-4

8、3.3619辛胺H(CH 2)8NH24.47 XO-43.3520苯胺C6H 5NH2-1O3.98 XO9.4O21芐胺C7H 9N52.24 XO-4.6522環(huán)己胺C6H11NH24.37 XO-43.3623吡啶C5H 5N1.48 XO-98.8324六亞甲基四胺(CH 2)6N41.35 XO-98.87252-氯酚C6H 5ClO3.55 XO-65.45263-氯酚C6H 5ClO1.26 XO-54.9O274-氯酚C6H 5ClO2.69淙0-54.5728鄰氨基苯酚(o)H2NC6H4OH5.2X0-54.281.9X0-54.7229間氨基苯酚(m)H 2NC6H4O

9、H7.4X0-54.136.8X0-54.1730對氨基苯酚(p)H2NC6H4OH2.0X0-43.703.2X0-65.5031鄰甲苯胺(o)CH 3C6H4NH22.82淙0-109.5532間甲苯胺(m)CH 3C6H4NH25.13>10-109.2933對甲苯胺(p)CH 3C6H4NH21.20沫0-98.92348-羥基喹啉(20 °C )8-HO C9H6N6.5X0-54.1935二苯胺(C6H5)2NH7.94沫0-1413.136聯(lián)苯胺H2NC6H4C6H4NH25.01沫0-1°(K1)9.304.27沫0-11 (K2)10.37有機酸在水

10、溶液中的解離常數(shù)(25oC)Dissociati on Con sta nts of Orga nic Acids in Aqueous Soluti on(25°C)序號(No.)名稱(Name)化學(xué)式(Chemical formula)KapKa1甲酸HCOOH1.8 X0-43.752乙酸CH 3COOH1.74 X0-54.763乙醇酸CH 2(OH)COOH1.48 10-43.834草酸(COOH) 25.4 X0-2(K1)1.2755.4 X0- (K2)4.275甘氨酸CH 2(NH 2)COOH./C-101.7 X09.786一氯乙酸CH 2CICOOH1.4

11、X0-32.867二氯乙酸CHCl 2COOH5.0 X0-21.308三氯乙酸CCl 3COOH2.0 X0-10.709丙酸CH 3CH 2COOH1.35 10-54.8710丙烯酸CH 2 CHCOOH5.5 X0-54.2611乳酸(丙醇酸)CH 3CHOHCOOH1.4 X0-43.8612丙一酸HOCOCH 2COOH1.4 X0-3(K1)2.852.2 X0-6(K2)5.6613142-丙炔酸HO CCOOH1.29 X0-21.89甘油酸HOCH 2CHOHCOOH42.29 10 43.6415丙酮酸CH 3COCOOH3.2 X0-32.4916炳胺酸CH 3CHNH

12、 2COOH101.35 109.8717炳胺酸CH 2NH 2CH 2COOH114.4 X0 1110.3618正丁酸CH 3(CH 2)2COOH1.52 10-54.8219異丁酸(CH 3)2CHCOOH1.41 10-54.85203-丁烯酸CH 2 CHCH2COOH2.1 X0-54.6821異丁烯酸CH 2 C(CH2)COOH2.2 X0-54.6622i反丁烯二酸(富馬酸)HOCOCCHCOOH9.3 X0-4(K1)3.033.6 X0-5(K2)4.4423順丁烯二酸(馬來酸)HOCOCCHCOOH1.2 X0-2(K1)1.925.9 X0-7(K2)6.2324酒

13、石酸HOCOCH(OH)CH(OH)COOH1.04 10-3(K1)2.984.55 10-5(K2)4.342526正戊酸CH 3(CH 2)3COOH1.4 X0-54.86異戊酸(CH 3)2CHCH 2COOH1.67 10-54.78272-戊烯酸CH 3CH 2CH- CHCOOH52.0 X0-4.70283-戊烯酸CH 3CH- CHCH 2COOH53.0 X0-4.52294-戊烯酸CH 2 CHCH2CH2COOH2.10 10-54.67730戊二酸HOCO(CH 2)3COOH1.7 X0-4(K1)3.778.3 X0-7(K2)6.0831谷氨酸HOCOCH 2

14、CH2CH(NH 2)COOH7.4 X0-3(K1)2.134.9 X0-5(K2)4.314.4 X0-10 (K3)9.35832正己酸CH 3(CH 2)4COOH1.39 10-54.8633異己酸(CH 3)2CH(CH 2)3 COOH1.43 10-54.8534(E)-2-己烯酸H(CH 2)3CH- CHCOOH1.8 X0-54.7435(E)-3-己烯酸CH 3CH 2CH- CHCH 2COOH1.9 X0-54.7236己二酸HOCOCH 2CH2CH2CH 2COOH3.8 X0-5(K1)4.423.9 X0-6(K2)5.413738檸檬酸HOCOCH 2C(

15、OH)(COOH)CH 2COOH7.4 X0-4(K1)3.131.7 X0-5(K2)4.764.0 X0-7(K3)6.40苯酚C6H5OH1.1 X0-109.9639鄰苯二酚(o)C6H4(OH) 23.6 X0-109.451.6 X0-1312.840間苯二酚(m)C6H4(OH) 23.6 X0-10(K1)9.308.71 X0-12(K2)11.0641對苯二酚(p)C6H4(OH) 2101.1 X0 109.9642432,4,6-三硝基苯酚2,4,6-(NO 2)3C6H 2OH_15.1 X0 10.29葡萄糖酸CH 2OH(CHOH) 4COOH_41.4 X04

16、3.8644苯甲酸C6H5COOH6.3 X0_54.20451水楊酸C6H4(OH)COOH1.05 X0_3(K1)2.984.17 和一叫©）12.3846鄰硝基苯甲酸(o)NO2C6H4COOH6.6 X0_32.1847間硝基苯甲酸(m)NO2C6H4COOH3.5 X0_43.4648對硝基苯甲酸(p)NO2C6H4COOH3.6 X0_43.4449鄰苯二甲酸(o)C6H4(COOH) 21.1 X0_3(K1)2.964.0 X0 6(K2)5.4050間苯二甲酸(m)C6H4(COOH) 22.4 X0 4(K1)3.622.5 X0 5(K2)4.6051對苯二甲酸(p)C6H4(COOH) 22.9 X0 4(K1)3.543.5 X0 5(K2)4.4652!531,3,5-苯三甲酸C6H3(COOH) 337.6 X0 (K1)2.1257.9 X0 (K2)4.106.6 X0 6(K3)5.18苯基六羧酸C6(COOH) 62.1 X0 1