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Physical & Chemical properties

Dissociation constant

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Description of key information

The dissociation constant pKa of tar acids, methylphenol fraction is between 10.1 and 10.3 (read-across).

Key value for chemical safety assessment

Additional information

There is no experimental data of dissociation constant for this substance available.

The value of pKa is obtained by using read-across estimation based on the available data for cresol mixture (mix-cresol CAS 1319 -77 -3).