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Dissociation constant

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Description of key information

Two dissociation points

Key value for chemical safety assessment

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The dissociation constant values for the two carboxylic acid functional groups were estimated to be independent of the coco alkyl chain length present, resulting in values of 3.3 ± 0.1 and 4.0 ± 0.1. For the tertiary amine functional group, the dissociation constant estimates were in the range 10.1 to 10.6 ± 0.7, depending on the coco alkyl chain length present.