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Physical & Chemical properties

Dissociation constant

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Administrative data

Link to relevant study record(s)

Description of key information

pKa = -1.15, -1.04, -0.96 and -0.06 at 25 °C for the sulphonate groups and 3.54 and 3.17 at 25 °C for the triazinyl groups.

Key value for chemical safety assessment

Additional information

Estimation: under environmental conditions the substance dissociates completely in water.