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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Reference
Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
Potentiometric determination
GLP compliance:
no
Dissociating properties:
yes
No.:
#1
pKa:
9.13 - 11.08
Temp.:
25.1 °C
Remarks on result:
other: in water
Conclusions:
The test item is a strong base in water with pka values in the range of 9.13 and 11.8 measured at 25.1 °C.
Executive summary:

The test item is a strong base in water with pka values in the range of 9.13 and 11.8 measured at 25.1 °C.

Description of key information

The test item is a strong base in water with pka values in the range of 9.13 and 11.8 measured at 25.1 °C.

Key value for chemical safety assessment

pKa at 20°C:
11.8

Additional information

"Should read: pka 11.8 at 25 °C"