pKa's of inorganic and oxo-acids
For a comprehensive compilation of Bordwell pKa data, see: pKa Table.
Inorganic acids
| Acid | pKa H2O | pKa DMSO |
|---|---|---|
| H2O | 15.7 | (31.2) |
| H2S | 7.00 | -7.8 |
| HBr | -9.00 | - |
| HCl | -8.0 | - |
| HF | 3.17 | (15) |
| HOCl | -6.5 | - |
| HClO4 | -10 | - |
| HCN | 9.4 | - |
| HN3 | 4.72 | - |
| HSCN | - | - |
| H2SO4 | - | -3.0, 1.99 |
| H3PO4 | 2.12, 7.21 | - |
| HNO3 | - | - |
| HNO2 | 3.29 | - |
| H2CrO4 | - | - |
| CH3SO3H | -2.6 | (1.6) |
| CF3SO3H | - | (0.3) |
| NH4Cl | - | - |
| B(OH)3 | - | - |
Carboxylic acids
A variety of carboxylic acids and their respective pKa values in different solvents are listed.
Alcohols
Information on alcohols and their respective pKa values.
Protonated species
This section covers protonated species and their pKa values.
*Values <0 for H2O and DMSO, and values >14 for water and >35 for DMSO were extrapolated using various methods.