IUPAC/Dissociation-Constants: v2.4a

This release includes the labeled data, digitization report, method keys, and partial reference keys as part of the IUPAC Digitized pKa Dataset. For more information, please review the Data Digitization Report attached in this repository. Our validation process is ongoing and will continue; please be advised that a few errors and inconsistencies may still exist. The digitized books in this collection include: Serjeant: International Union of Pure and Applied Chemistry, E. P Serjeant and Boyd Dempsey. Ionisation Constants of Organic Acids in Aqueous Solution; Oxford/Pergamon, 1979 (Oxford IUPAC chemical data series) Perrin: International Union of Pure and Applied Chemistry, DD Perrin. Dissociation Constants of Organic Bases in Aqueous Solution; Butterworths, 1965 Perrin Supplement: International Union of Pure and Applied Chemistry, DD Perrin. Dissociation Constants of Organic Bases in Aqueous Solution, Supplement; Butterworths, 1972 For a full list of changes, please see the version release page on GitHub: https://github.com/IUPAC/Dissociation-Constants/releases/tag/v2.4If this data is used, please cite this Zenodo repository. The manuscript in RSC Advances may also be cited: Zheng, Jonathan W., Lafontant-Joseph, Olivier, and Green, William H. Digitized Dataset of Aqueous Acid Dissociation Constants. RSC Advances 16.23 (2026): 21397-21412.