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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Density

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
density, other
Remarks:
density and relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-03-03 to 2010-03-03
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
no
Type of method:
air comparison pycnometer (for solids)
Type:
density
Density:
3.723 g/cm³
Temp.:
20.4 °C
Remarks on result:
other: relative density compared to water at 4°C: 3.723

Relative density (compared to water at 4°C): D4R: 3.723

Conclusions:
The relative density at ambient temperature (compared to water at 4°C) is D4R=3.72. The ambient temperature was determined to be 20.4°C +/- 0.2°C.

Description of key information

Cobalt hydroxide oxide has a relative density of 3.72.

Key value for chemical safety assessment

Relative density at 20C:
3.72

Additional information