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Physical & Chemical properties

Dissociation constant

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Description of key information

determination of dissociation constants according to OECD 112

Key value for chemical safety assessment

pKa at 20°C:
9.95

Additional information

Two dissocation constants could be established at 20 degrees C: 9.59 +- 0.02 and 6,64 +- 0,04. However, given the nature of the material, protonation is expexted to occur over a wide pH range from pH2 to pH 11, as caolulated with Chemmaxon software