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Physical & Chemical properties

Dissociation constant

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Administrative data

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Description of key information

The dissociation constants are estimated to be pKa1 = 16.89 ± 0.70, pKa2 = 13.95 ± 0.46, pKa3 = 12.89 ± 0.70, pka4 = 1.62 ± 0.27, pka5 = -0.86 ± 0.50, pka6 = -1.70 ± 0.50 and pka7 = -4.57 ± 0.70.

Key value for chemical safety assessment

Additional information

As a conclusion the substance is present in its undissociated form at environmentally relevant conditions (pH 5 - 9).