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Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Nov. 2017 - Jun. 2018
- 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)
- Version / remarks:
- adopted 02. Oct. 2012
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- Council Regulation (EC) No 440/2008 of 30. May 2008, published on 31. May 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Type:
- density
- Density:
- 1.678 g/cm³
- Temp.:
- 20 °C
- Remarks on result:
- other: 1.6777 ± 0.0011 g/cm3
- Type:
- relative density
- Density:
- 1.678 other: no unit for relative density!
- Temp.:
- 20 °C
- Remarks on result:
- other: to density of water at 4 °C
- Conclusions:
- The density of the test item was calculated as 1.6777 ± 0.0011 g/cm3 at 20.0 ± 0.4 °C, which is the mean of two values. Precision of the value is given as maximal error of a single determination.
The relative density of the sample at 20 °C to water at 4 °C is 1.6777. - Executive summary:
The density of the test item was calculated as 1.6777 ± 0.0011 g/cm3 at 20.0 ± 0.4 °C, which is the mean of two values. Precision of the value is given as maximal error of a single determination. Standard deviation was 0.0003 g/cm3, showing very good correlation of the two determinations. Correspondence of the values is very good. Therefore, the study is considered valid. The relative density of the sample at 20 °C to water at 4 °C is 1.6777.
The study was performed under GLP according to OECD guildeline 109 and to EU Method A.3.
Reference
| Parameter | Value | Unit | Standard Deviation | Relative Standard Deviation |
| Volume of Pycnometer | 24.91 | cm3 | 0.0060 | 0.02% |
| Density of Test Item | 1.6777 | g/cm3 | 0.0003 | 0.02% |
| Density of Test Item | 1677.7 | kg/m3 | 0.3 | 0.02% |
| Relative Density of Test Item | 1.6777 | 0.0003 | 0.02% |
Description of key information
The density of the test item was calculated as 1.6777 ± 0.0011 g/cm3 at 20.0 ± 0.4 °C, which is the mean of two values. Precision of the value is given as maximal error of a single determination. Standard deviation was 0.0003 g/cm3, showing very good correlation of the two determinations. Correspondence of the values is very good. Therefore, the study is considered valid. The relative density of the sample at 20 °C to water at 4 °C is 1.6777.
The study was performed under GLP according to OECD guildeline 109 and to EU Method A.3.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.678
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