Registration Dossier
Registration Dossier
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EC number: 274-958-5 | CAS number: 70865-30-4
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- December 05th, 2017
- 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 in 1992
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- GLP compliance:
- no
- Type of method:
- air comparison pycnometer (for solids)
- Type:
- relative density
- Density:
- 1.48
- Temp.:
- 20 °C
- Conclusions:
- Relative density: 1.48 at 20 °C
- Executive summary:
The relative density of the test item was determined with a calibrated gas comparison pycnometer, according to the OECD guideline 109. A pressurized gas (He) is expanded from a pressurized reference chamber into a sample chamber in which the test item is placed under atmospheric pressure. The volume of the sample chamber, as well as the volume of the reference chamber, is exactly known. Thus, the free volume of the sample chamber in which the gas expanded was calculated by the ideal gas law. By measuring the mass of the test item, the density was determined. The relative density was obtained by dividing the measured density of the test-item by the density of water at 4 °C (0.9999750 g/cm³).
The mean density of the test item at 20 °C is 1.477 g/cm³.The relative density is calculated by dividing the density of the test item by the density of water at 4 °C (0.9999750 g/cm³).
Conclusion
Relative density: 1.48 at 20 °C
Reference
The mean density of the test item at 20 °C is 1.477 g/cm³. The relative density is calculated by dividing the density of the test item by the density of water at 4 °C (0.9999750 g/cm³).
| Test No. | Temperature [°C] | Amount of test item [g] | Average sample volume [cm³] | Density [g/cm³]* |
| 1 | 20 | 8.21 | 5.56250 | 1.47595 |
| 2 | 20 | 7.73 | 5.22835 | 1.47848 |
Description of key information
Relative density: 1.48 at 20 °C
Key value for chemical safety assessment
- Relative density at 20C:
- 1.48
Additional information
Air comparison pycnometer (for solids) - OECD 109
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