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Physical & Chemical properties

Dissociation constant

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Description of key information

pKa: 9.5 at 20 °C.

Key value for chemical safety assessment

pKa at 20°C:
9.5

Additional information

A pKa value of 9.5 at 20°C was determined during tests according to OECD Guideline 112. A pKa value of 11.4 was determined in a different study during tests according to OECD Guideline 112. The difference between the two measured values could be attributed to the use of solvent in the second study.