Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19 October 2020 to 27 October 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Version / remarks:
- 2012
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Key result
- Type:
- relative density
- Density:
- 6.149 other: dimensionless
- Temp.:
- 20.1 °C
- Conclusions:
- Under the conditions of the study the mean relative density of the test material was 6.149 ± 0.001 at 20.1 °C
- Executive summary:
The relative density of the test material was assessed according to the standardised guidelines OECD 109 and EU Method A.3, under GLP conditions, with a pycnometer.
Under the conditions of the study the mean relative density of the test material was 6.149 ± 0.001 at 20.1 °C.
Reference
Parameters
Volume of the stereopycnometer chamber: 111.1376 cm³
Gas used: Helium
Pressure: 1.4 bar
Calibration sphere
Following 10 measurements, the mean volume of calibration sphere was 51.1073 ± 0.0067 cm³ at 20.1 °C. Therefore, the apparatus was considered operational and ready for use.
Test material
- Assay No.1
Cell weight (MC) 33.1575 g
Total weight: cell + test item (MT) 186.7605 g
Test item sample weight (ME = MT- MC) 153.6030 g
Following 10 measurements, the mean density was 6.1487 ± 0.0047 g/cm³ at 20.0 °C
- Assay No.2
Cell weight (MC) 33.1561 g
Total weight: cell + test item (MT) 178.8905 g
Test item sample weight (ME = MT- MC) 145.7344 g
Following 10 measurements, the mean density was 6.1493 ± 0.0042 g/cm³ at 20.1 °C
The mean relatove density was 6.149 ± 0.0045 at 20.1 °C.
Description of key information
The relative density of the test material was 6.149 ± 0.001 at 20.1 °C.
Key value for chemical safety assessment
- Relative density at 20C:
- 6.149
Additional information
The relative density of the test material was assessed according to the standardised guidelines OECD 109 and EU Method A.3, under GLP conditions, with a pycnometer.
The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).
Under the conditions of the study the mean relative density of the test material was 6.149 ± 0.001 at 20.1 °C.
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