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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

not applicable
pKa= 10.5 at 25°C (calculated)

Key value for chemical safety assessment

Additional information

As the substance is not soluble in water thus an experimental determination of the dissociation constant is not possible.

Since the test compound has one dissociable functional group (-OH) thus in addition the dissociation constant has been calculated using

software program SPARC as recommended in Guideline and yields a pKa value of 10.5 at 25°C.