常用有机碱排序

DissociationConstantsOfOrganicAcidsAndBasesThistableliststheacid-basedissociationconstantsofover600organiccompounds,includingmanyaminoacids.AlldataapplytodiluteaqueoussolutionsandarepresentedintheformofpKa,whichisthenegativeofthelogarithmoftheaciddissociationconstantKa.MolecularformulaNameStepTI°CpKaCH2O2Formicacid203.75CH4N2OUrea210.10CH5NMethylamine2510.63C2HCl3O2Trichloroaceticacid250.70C2H2Cl2O2Dichloroaceticacid251.48C2H2O3Glyoxylic253.18C2H2O4Oxalicacid1251.232254.19C2H3BrO2Bromoaceticacid252.69C2H3ClO2Chloroaceticacid252.85C2H3IO2Iodoaceticacid253.12C2H4OSThioaceticacid253.33C2H4O2Aceticacid254.76C2H4O3Glycolicacid253.83C2H5NEthyleneimine258.01C2H5NOAcetamide250.63C2H5NO2Glycine1252.352259.78C2H6O2Ethyleneglycol2514.22C2H7AsO2Cacodylicacid1251.572256.27C2H7NDimethylamine2510.68C2H7NEthylamine2510.70C2H7NOEthanolamine259.50C2H7NO3STaurine1251.52259.061C2H7NSCysteamine1258.3522510.81C2H8N21,2-Ethanediamine1010.712207.564C3H3NO2Cyanoaceticacid252.45C3H3NSThiazole202.44C3H4N21H-Imidazole256.953C3H4N2S2-Thiazolamine205.36C3H4O2Acrylicacid254.25C3H4O3Pyruvicacid252.39C3H4O4Malonicacid1252.832255.69C3H5ClO22-Chloropropanoicacid252.83C3H5ClO23-Chloropropanoicacid253.98C3H6N6Melamine255.00C3H6O2Propanoicacid254.86C3H6O33-Hydroxypropanoicacid254.51C3H6O3Lacticacid1003.08C3H6O4Glycericacid253.52C3H7NAzetidine2511.29C3H7NO2L-Alanine1252.342259.87C3H7NO2-Alanine1253.5522510.24C3H7NO2Methylglycine1252.2122510.12C3H7NO2SCysteine1251.922258.3732510.70C3H7NO3Serine1252.192259.21C3H7NO5Sl-Cysteicacid1251.32251.93258.70C3H7N3O2Glycocyamine252.82C3H8O3Glycerol2514.15C3H9NPropylamine2010.60C3H9NTrimethylamine259.80C3H9NO1-Amino-2-methoxyethane109.89C3H9NOTrimethylamineoxide254.65C3H10N21,2-Propanediamine1259.822256.61C3H10N21,3-Propanediamine11010.942109.03C3H11N31,2,3-Triaminopropane1209.592207.95C4H4N2Pyrazine270.65C4H4N2Pyridazine202.24C4H4N2O3Barbituricacid254.01C4H4N2O5Alloxanicacid256.64C4H4N4O25-Nitropyrimidinamine200.35C4H4O4trans-Fumaricacid1183.032184.44C4H4O4Maleicacid1251.832256.07C4H4O5Oxaloaceticacid1252.222253.8932513.03C4H5N32-Pyrimidinamine203.45C4H6N21-Methylimidazol256.95C4H6N4O3Allantoin258.96C4H6O23-Butenoicacid254.34C4H6O2trans-Crotonicacid254.69C4H6O3Acetoaceticacid183.58C4H6O32-Oxobutanoicacid252.50C4H6O4Methymalonicacid1253.072255.76C4H6O4Succinicacid1254.162255.61C4H6O5Malicacid1253.402255.11C4H6O6-Tartaricacid1252.982254.34C4H6O6meso-Tartaricacid1253.222254.82C4H6O8Dihydroxytartaricacid251.92C4H7CIO22-ChlorobutanoicacidRT2.86C4H7CIO23-ChlorobutanoicacidRT4.05C4H7CIO24-ChlorobutanoicacidRT4.52C4H7NO24-Cyanobutanoicacid252.42C4H7NO3N-Acetylglycine253.669C4H7NO4Asparticacid1251.992253.903259.90C4H7N3OCreatinine1254.8329.2C4H8N2O3Asparagine1202.172208.80C4H8N2O3N-Glycylglycine253.139C4H8O2Butanoicacid254.83C4H8O22-Methylpropanoicacid254.88C4H8O33-Hydroxybutanoicacid254.70C4H8O34-Hydroxybutanoicacid254.72C4H9NPyrrolidine2511.27C4H9NOMorpholine258.33C4H9NO22-Aminobutanoicacid1252.292259.83C4H9NO24-Aminobutanoicacid1254.03122510.556C4H9NO2N,N-Dimethylglycine259.89C4H9NO22-Methylalanine1252.3622510.21C4H9NO2SHomocysteine1252.222258.8732510.86C4H9NO3Homoserine1252.712259.62C4H9NO3DL-Methoxyalanine252.037C4H9NO3Threonine1252.092259.10C4H9N3O2Creatine1252.6322514.3C4H10N2Piperazine1239.832235.56C4H10N2O22,4-Diaminobutanoicacid1251.852258.2432510.44C4H11NButylamine2010.77C4H11Nsec-Butylamine2510.56C4H11Ntert-Butylamine2510.68C4H11NDiethylamine4011.02C4H12N21,4-Butanediamine12010.802209.35C4H12O21,2-Dimethylaminoethane12510.402258.26C5H4BrN3-Bromopyridine252.84C5H4CIN3-Chloropyridine252.84C5H4N4Purine1202.302208.96C5H4N4O3Uricacid123.89C5H5NPyridine255.25C5H5NO4-Pyridinol1203.2022011.12C5H5NO2(1H)-Pyridinone1200.7522011.65C5H5N51H-Purin-6-amine1254.122259.83C5H6N22-Methylpyrazine271.45C5H6N22-Pyridinamine206.82C5H6N24-Pyridinamine259.114C5H6O41,1-Cyclopropanedicarboxylicacid1251.822257.43C5H6O4Itaconicacid1253.852255.45C5H6O4Mesaconicacid1253.092254.75C5H6O52-Oxoglutaricacid1252.472254.68C5H7NO3L-2-Pyrrolidone-5-carboxylicacid253.32C5H7N3Methylaminopyrazine253.39C5H7N32,5-Pyridinediamine206.48C5H8N22,4-Dimethylimidazzol258.36C5H8O4Dimethylmalonicacid253.15C5H8O4Glutaricacid1254.312255.41C5H8O4Methylsuccinicacid1254.132255.64C5H9NO2Proline1251.95222510.64C5H9NO35-Aminolevulinicacid1254.052258.90C5H9NO3trans-4-Hydroxyroline1251.8182259.662C5H9NO38-Hydroxypurine1202.562208.26C5H9NO4L-Glutamicacid1252.132254.31C5H9N3Histamine1256.042259.75C5H10N2O2Diaminopimelicacid1251.82252.23258.84259.9C5H10N2O3L-Glutamine1252.172259.13C5H10N2O3Glycylalanine253.15C5H10N2O4Glycylserine1252.982258.38C5H10O22-Methylbutanoicacid254.80C5H10O23-Methylbutanoicacid254.77C5H10O2Pentanoicacid254.84C5H10O2Trimethylaceticacid255.03C5H11NN-Methylpyrrolidine2510.32C5H11NPiperidine2511.123C5H11NO25-Aminopentanoicacid1254.2722510.766C5H11NO2Betaine01.83C5H11NO2Norvaline1252.322259.81C5H11NO2N-Propylglycine1252.3522510.19C5H11NO2Valine1252.292259.74C5H11NO2SMethionine1252.132259.27C5H12N2O2Ornithine1251.7052258.6932510.76C5H13N1-Aminno-2,2