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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The pKa values calculated with ADC/pKa v 12.00 for the sufonate groups are -1.61>pKa>-0.79 and -1.56>pka>-0.79 for the two components of the substance.

Key value for chemical safety assessment

pKa at 20°C:

Additional information

The pKa values calculated with ADC/pKa, version 12.00, for the sulfonate groups are -1.61<pKa<-0.79 and -1.56<pka<-0.79 respectively for the two main components of the test substance.

Under environmental conditions, the substance dissociates completely in water.