Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

dissociation constant
Type of information:
other: handbook value
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
data supplied in chemical handbook
GLP compliance:
not specified
Dissociating properties:
18 °C
pKa 12.14 at 18°C
Executive summary:

The pKa at 18°C is 12.14 as reported in acceptable handbook.

Description of key information

pKa = 12.14 at 18°C

Key value for chemical safety assessment

Additional information

Value used for CSA: pKa at 18°C: 12.14