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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
melting point/freezing point
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.1 (Melting / Freezing Temperature)
GLP compliance:
yes
Type of method:
thermal analysis
Remarks:
differential scanning calorimetry (DSC)

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

Melting / freezing point
Decomposition:
yes
Decomp. temp.:
229 °C

Any other information on results incl. tables

Cupric hydroxide decomposed before the melting point was reached. Decomposition took place at an onset temperature of 229°C.

Applicant's summary and conclusion

Conclusions:
Cupric hydroxide decomposed before the melting point was reached. Decomposition took place at an onset temperature of 229°C.