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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

As there is no reason to assume that coconut shell charcoal charcoal is able to dissociate, the determination of the dissociation constant is no necessary.

Key value for chemical safety assessment

Additional information

As coconut shell charcoal consists mainly of amorphous carbon, there is no reason to assume that it is able to dissociate. Hence, in accordance with endpoint specific guidance, chapter R. 7A, testing of the dissociation constant is not needed.