Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Dissociation constant

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Administrative data

Link to relevant study record(s)

Description of key information

There is no pKa value within the environmentally-relevant pH range. The sulfonic groups of the metal complex are under sodium salt form at all the pH in water and therefore the water solubility or logPow are not expected to be significantly influence by the pH.

Key value for chemical safety assessment

pKa at 20°C:

Additional information