Structure | Common name | pK2 | ∆H° | ∆S° | ∆Cp° | Ref. |
| TAURINE | 9.061 | 41,840 | −33.1 | −33 | [19] |
| PIPERAZINE | 9.731 | 53,390 | −33.9 | 88 | [5] |
| MORPHOLINE | 8.492 | 39,030 | −31.7 | 48 | [20] |
| MES | 6.270 | 14,602 | −1.1 | 4 | [24] |
| AMPSO | 9.138 | 43,166 | −31.2 | −59 | [10] [18] |
| DIPSO | 7.576 | 30,192 | −45.5 | 42 | [10] |
| MOBS | 7.702 | 24,442 | −61.1 | 74 | [11] |
| TABS | 8.834 | 43,663 | −23.6 | 39 | [9] |
| PIPES | 7.140 | 11,964 | −96.5 | 124 | [4] |
| Na3POPSO | 7.803 | 19,877 | −82.7 | 134 | This study |