Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 269-979-1 | CAS number: 68399-68-8
Dissociation constant
Administrative data
Link to relevant study record(s)
Description of key information
From the structure, the test item was considered to contain numerous, overlapping dissociation constants (pKa’s); whereas, practical testing is generally only possible on substances with no more than one set of two overlapping pKa’s.
Key value for chemical safety assessment
Additional information
Nine pKa figures estimated from modelling, with range 1.8 - 11.2
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