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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The experimental pKa value for 3,5-diiodosalicylic acid was found to be 0.00000656, 0.00000656,0.00000657 at 37 ˚C indicating dissociation properties. The average pKa value is 0.0000065633333333.This value is equivalent to 0.00000354 at 20 ˚C.

Key value for chemical safety assessment

pKa at 20°C:
0

Additional information

 The experimental dissociation constant (pKa) value for3,5-diiodosalicylic acidis found to be 0.00000354 at 25 ˚C indicating that it has dissociation properties.