Registration Dossier
Registration Dossier
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EC number: 916-461-4 | 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:
- April 25, 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Version / remarks:
- adopted October 02, 2012
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Specific details on test material used for the study:
- Test Item was used in its initial form.
- Type:
- relative density
- Density:
- 1.074
- Temp.:
- 20 °C
- Conclusions:
- Relative density: 1.0742 at 20 °C
- Executive summary:
The relative density of test item was determined in accordance with OECD guideline 109, using pycnometer method.
The calibration was performed with ultrapure water and the empty, clean pycnometer (with all accessories) was weighted. The weight of test item was calculated as the difference between the weight of the empty and the levelled pycnometer. The pycnometer was filled with test item in three replicates and was measured.
The relative density was determined to be 1.0742 ± 0.00476 (with 95 % confidence interval) at 20 °C.
Conclusion
Relative density: 1.0742 at 20 °C
Reference
Density of test item
| Empty pycnometer, g | Pycnometer with test item, g | Test item in the pycnometer, g | Density of the test item, g/cm3 |
| 31.68681 | 57.69646 | 26.00965 | 1.072 |
| 31.68446 | 57.77763 | 26.09317 | 1.0754 |
| 31.68428 | 57.77107 | 26.08679 | 1.0751 |
Mean: |
1.0742 | ||
Confidence int. (95 %): |
0.00476 | ||
RSD (CV %): |
0.178 | ||
The relative density was determined to be 1.0742 ± 0.00476 (with 95 % confidence interval) at 20 °C.
Calibration of the Pycnometer
| Measured data | Empty pycnometer, g | Pycnometer with water, g |
| 1 | 31.68547 | 55.90859 |
| 2 | 31.68672 | 55.91005 |
| 3 | 31.68632 | 55.91022 |
| 4 | 31.68599 | 55.90167 |
| 5 | 31.68605 | 55.90321 |
| Density of water at 20 °C, g/cm3: | 0.99823 | - |
| Volume of pycnometer, cm3: | 24.2636 | - |
Description of key information
Relative density: 1.0742 at 20 °C
Key value for chemical safety assessment
- Relative density at 20C:
- 1.074
Additional information
OECD guideline 109 - pycnometer method
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