Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

Calcium difluoride is an inorganic salt. According to ECHA Guidance R7a, the dissolution of salts from their crystal lattice into individual ions in not intended to be covered by the endpoint dissociation constant.

Key value for chemical safety assessment

Additional information

A waiver is proposed for this data requirement. The substance is an inorganic salt and will dissociate into its constituent ions in aqueous solution (Ksp 3.95 x 10e-11 at 25 degrees Celsius).