Registration Dossier
Registration Dossier
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EC number: 210-638-3 | CAS number: 620-40-6
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020-05-11
- 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:
- air comparison pycnometer (for solids)
- Key result
- Type:
- relative density
- Density:
- 1.082
- Temp.:
- 20 °C
- Conclusions:
- The relative density (D204) of the test item was found to be 1.082.
- Executive summary:
The relative density was determined using a gas comparison pycnometer according to Regulation (EC) No 440/2008 Part A. Method A.3 and OECD Test Guideline 109 (2012) to determine the relative density of the test item. The mean density of the test item at 20 °C was 1.0818 g/cm³. The relative density D420 was calculated by dividing the density of the test item by the density of water at 4 °C. The relative density (D204) of the test item was found to be 1.082.
Reference
Two tests with different amounts of the test item were performed to determine the relative density D420 at a temperature of 20 °C ± 0.01 °C.
Results of the measurement of the density of the test item
Test No. | Temperature [°C] | Amount of test item [g] | Average sample volume [cm³] | Density [g/cm³]* |
1 | 20 | 4.19735 | 3.88181 | 1.08129 |
2 | 20 | 4.27878 | 3.95364 | 1.08224 |
* The pressurizing-expansion cycles are performed until 4 subsequent volume measurements have a relative standard deviation (RSD) of ≤ 0.2 %.
The mean density of the test item at 20 °C was 1.0818 g/cm³. The relative density D420 was calculated by dividing the density of the test item by the density of water at 4 °C (0.9999750 g/cm³).
The relative density was D420 = 1.082.
Description of key information
The relative density of the test item was found to be 1.082 (reference 4.4-1).
Key value for chemical safety assessment
- Relative density at 20C:
- 1.082
Additional information
The relative density was determined using a gas comparison pycnometer according to Regulation (EC) No 440/2008 Part A. Method A.3 and OECD Test Guideline 109 (2012) to determine the relative density of the test item. The mean density of the test item at 20 °C was 1.0818 g/cm³. The relative density was calculated by dividing the density of the test item by the density of water at 4 °C. The relative density at 20 °C with respect to water at 4 °C of the test item was found to be 1.082.
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