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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Water solubility

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Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted in compliance with Good laboratory Practice and internationally accepted guidelines.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2000

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
GLP compliance:
yes
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
Copper dihydroxide
EC Number:
243-815-9
EC Name:
Copper dihydroxide
Cas Number:
20427-59-2
Molecular formula:
CuH4O2
IUPAC Name:
copper(2+) dihydroxide
Details on test material:
- Name of test material (as cited in study report): Cupric hydroxide
- Test material purity: 60.1 % as Cu.
- Lot/batch No.: 380-71-05

Results and discussion

Water solubilityopen allclose all
Water solubility:
0.001 g/L
Temp.:
30.1 °C
pH:
8.1
Remarks on result:
other: As salt form.
Water solubility:
0 g/L
Temp.:
30.1 °C
pH:
8.1
Remarks on result:
other: As copper. Copper concentration calculated from salt form concentration using the following factor: Copper hydroxide: 0.651
Details on results:
Results were determined after 7 days of equilibration.

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): slightly soluble (0.1-100 mg/L)
Solubility of cupric hydroxide as a salt form was found to be 6.80x10-4 g/L. Solubility of cupric hydroxide as copper was calculated to be 4.43x10-4 g/L.