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Physical & Chemical properties

Dissociation constant

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Description of key information

The pKa values of Penta-PSCA at 25 °C are:
pKa1 (COO- + H+ ⇌ COOH) : 4.74 ± 0.10
pKa2 (R3NH+ ⇌ R3N + H+) : -1.60 ± 0.40

Key value for chemical safety assessment

pKa at 20°C:
4.74

Additional information

The pKa values of Penta-PSCA at 25 °C are:

pKa1 (COO- + H+ ⇌ COOH) : 4.74 ± 0.10

pKa2 (R3NH+ ⇌ R3N + H+) : -1.60 ± 0.40