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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Peer-reviewed handbook data

Data source

Reference
Reference Type:
review article or handbook
Title:
CRC Handbook of chemistry and Physics, 84th edition 2003-2004
Author:
Lide DR
Year:
2004
Bibliographic source:
CRC Press (2004)

Materials and methods

Principles of method if other than guideline:
In the peer-reviewed handbook the pKa value of Al(III) is reported. No further information on method available.
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
14903-36-7 (Al (III) ion)
IUPAC Name:
14903-36-7 (Al (III) ion)
Test material form:
not specified
Details on test material:
- Name of test material (as cited in study report): Al(III) ion

Results and discussion

Dissociating properties:
yes
Dissociation constant
pKa:
5
Temp.:
25 °C

Applicant's summary and conclusion

Conclusions:
The pKa value of the Al(III) ion is reported to be 5.0 at 25°C.
Executive summary:

The pKa value of the Al(III) ion is reported to be 5.0 at 25°C.