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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

pKa1= 9.23  (phenol group of Monoester)
pKa2= 9.5 (phenol groups of Diester)
pKa3= 14 (PEG 300)

Key value for chemical safety assessment

Additional information

The test substance is a mixture of 3 main components and have different water solubilities. The pKa values have been calculated on the representative components Monoester, Diester and PEG 300 using software programs ACD/Labs.