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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
21/07/2010 - 22/07/2010
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: This study was performed to the required guideline under GLP. Results from the water solubility study suggest that some degradation of the substance may have taken place during drying.
according to guideline
EU Method A.3 (Relative Density)
density was measured at 23 °C rather than 20 °C
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
relative density
23 °C

The density of the substance is reported as 716 kg/m3. This was converted into relative density by dividing by the density of water at 4 °C (999.9720 kg/m3). The density measurement was performed at 23 °C rather than 20 °C as specified in the test guideline, however because the substance is a solid with melting point > 100 °C it is not anticipated that this will affect the result.

Description of key information

The relative density of the substance is approximately 0.716.

Key value for chemical safety assessment

Relative density at 20C:

Additional information

The relative density of a freeze-dried sample of the substance was measured in a test conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A3 under GLP [Younis S (2010)]. The measured density of the substance, 716 kg/m3 at 23 °C, was divided by the relative density of water at 4 °C to derive the relative density of 0.716.