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Physical & Chemical properties

Dissociation constant

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Description of key information

There is no pKa value within the environmentally-relevant pH range. The sulfonic groups of the metal complex are under sodium salt form at all the pH in water and therefore the water solubility or logPow are not expected to be significantly influence by the pH.

Key value for chemical safety assessment

pKa at 20°C:
-3.68

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