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Dissociation Constants: Diphosphoric acid
1 to 4
Acid and base dissociation constants (pKa) for ~860 inorganic and organic compounds at specified temperatures, including polyprotic acids with per-step pKa values. Sourced from CRC Handbook 97th Edition.
| compound name | step | compound name display | compound type | formula | pka (dimensionless) | t c (degC) |
|---|---|---|---|---|---|---|
| Diphosphoric acid | 1 | Diphosphoric acid | inorganic | H4P2O7 | 0.91 | 25 |
| Diphosphoric acid | 2 | Diphosphoric acid | inorganic | H4P2O7 | 2.1 | 25 |
| Diphosphoric acid | 3 | Diphosphoric acid | inorganic | H4P2O7 | 6.7 | 25 |
| Diphosphoric acid | 4 | Diphosphoric acid | inorganic | H4P2O7 | 9.32 | 25 |
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