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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

From this Weight Of evidence approach we can conclude that the pKa od DIPA is 11. The substance does not ionize at the environmentaly relevant pH range.

Key value for chemical safety assessment

pKa at 20°C:

Additional information

Data on dissocication constant of diisoproplylamine have been found in peer reviewed handbooks and by using a QSAR model (SPARC). From a Weight of Evidence approach it has been concluded that the pKa of diisopropylamine is 11 at 20°C