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Physical & Chemical properties

Dissociation constant

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Administrative data

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Description of key information

Estimated dissociation constants in water 
-SO3 -: -2.5 > pKa > -3.0 acidic (2x)
Ph-NH-Ph: pKa ≈ 0.8 basic (4x)
Triaz-Morph.: -1 < pKa < 2 basic (2x)

Key value for chemical safety assessment

Additional information

Under environmental conditions the substance dissociates completely in water