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Dissociation constant

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Administrative data

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Description of key information

The value was reported by Serjeant; IUPAC Chemical Data Series, 23, 159 (1979) and is supported by SPARC calculations.

Key value for chemical safety assessment

pKa at 20°C:

Additional information

By the scientific definition, the dissociation constant (pKa) is identical for the acid (Benzotriazole) and its conjugated base (Sodium Benzotriazolide). Therefore the value of Benzotriazole is valid also for Sodium Benzotriazolide.