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Dissociation constant

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Description of key information

In a GLP compliant study according to OECD Guideline 112 (Dissociation Constants in Water) the dissociation constant of the test substance in water was determined (Chilworth Technology Limited 2012).The pKa of Polypropoxylated p-nonylphenol-formaldehyde-diethanolamine, Mannich base was therefore determined as 7.70 ± 0.5.

Key value for chemical safety assessment

pKa at 20°C:

Additional information