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Dissociation Constants: Phosphoric acid
1 to 3
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) |
|---|---|---|---|---|---|---|
| Phosphoric acid | 1 | Phosphoric acid | inorganic | H3PO4 | 2.16 | 25 |
| Phosphoric acid | 2 | Phosphoric acid | inorganic | H3PO4 | 7.21 | 25 |
| Phosphoric acid | 3 | Phosphoric acid | inorganic | H3PO4 | 12.32 | 25 |
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