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Physical & Chemical properties

Dissociation constant

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Administrative data

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Description of key information

pKa  = -1.38 and -0.75 at 25 °C for the sulphonate groups and 4.38 and 3.77 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.