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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 629-765-4 | CAS number: 1226892-44-9
Dissociation constant
Administrative data
Link to relevant study record(s)
Description of key information
Read across. The dissociation constant is read across from a substance with structural similarities within the Amidoamines/Imidazoline category. The pKa values for the test substance are 10.02, 9.21 and 4.42 at 25ºC.
Key value for chemical safety assessment
Additional information
A read across to a substance with the same dissociating part of the molecule as for the substance registered. It is assumed that length of the hydrophobe has no significant effect on the pKa value. The pKa values for the test substance are 10.02, 9.21 and 4.42 at 25ºC from the read across study. These values are supported by a Q(SAR) calculation. Furthermore, the pKa is not strongly temperature dependent.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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