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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
dissociation constant
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The estimation method used was designed to be compatible with internationally accepted guidelines and recommendations.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012

Materials and methods

Principles of method if other than guideline:
Computer-based estimation method, Advanced Chemistry Development I-Lab Web Service (ACD I-Lab 2.0).

Test material

Constituent 1
Chemical structure
Reference substance name:
Copper di(acetate)
EC Number:
205-553-3
EC Name:
Copper di(acetate)
Cas Number:
142-71-2
Molecular formula:
Cu(CO2CH3)2
IUPAC Name:
copper di(acetate)
Test material form:
solid: crystalline
Details on test material:
- Name of test material (as cited in study report): Copper acetate monohydrate.
- Test material purity: 99.9 %
- Lot/batch No.: 11.6.1SD
- Storage condition of test material: Room temperature in the dark.

Results and discussion

Dissociating properties:
yes
Dissociation constant
pKa:
>= 4.69 - <= 4.89
Remarks on result:
other: Estimated value using commercially available software for pKa prediction.
Remarks:
Estimated value is 4.79 +/- 0.1

Any other information on results incl. tables

The test item was determined to have an estimated dissociation constant of 4.79 ± 0.10.

Applicant's summary and conclusion

Conclusions:
Using computer-based software, copper di(acetate) monohydrate was determined to have an estimated dissociation constant of 4.79 ± 0.10.