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Physical & Chemical properties

Dissociation constant

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Description of key information

Key study: The pKa of Sodium diacetate is 4.756 at 25 ºC.

Key value for chemical safety assessment

pKa at 20°C:
4.756

Additional information

The pKa of Sodium diacetate is 4.756 at 25 ºC (data from acetic acid; acetate anion is characterised by pKa).