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:
- From 13 August 2021 to 11 March 2022
- 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:
- OECD Guideline No. 109 (2012)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- EC A.3. method (2008)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- air comparison pycnometer (for solids)
- Key result
- Type:
- relative density
- Density:
- ca. 1.115 g/cm³
- Temp.:
- 20.3 °C
- Remarks on result:
- other: 1.115 ± 0.001 at 20.3 °C.
- Conclusions:
- The mean relative density of the test item was D = 1.115 ± 0.001 at 20.3 °C.
- Executive summary:
RELATIVE DENSITY OF SOLIDS
In compliance with
Regulation (EC) No. 1907/2006, Article 8(4)
Council Regulation (EC) No. 440/2008 - EC A.3. method (2008), OECD Guideline No. 109 (2012)The mean relative density of the test item was D204 = 1.115 ± 0.001 at 20.3 °C.
Reference
Results
1. Parameters
Gas used: Helium Pressure: 1.5 bar
Volume of the stereopycnometer chamber: 111.1376 cm3
2. Calibration sphere
| Values | Mesured volume (cm3) | Mean volume (cm3) |
| 1 | 51.0835 | 51.1056 ± 0.0095 at 20.3 °C |
| 2 | 51.0927 | |
| 3 | 51.1089 | |
| 4 | 51.1049 | |
| 5 | 51.1132 | |
| 6 | 51.1087 | |
| 7 | 51.1155 | |
| 8 | 51.1117 | |
| 9 | 51.1110 | |
| 10 | 51.1059 |
The mean volume of calibration sphere was 51.1056 cm3 ± 0.0095 cm3 at 20.3 °C.
Therefore, the apparatus was considered operational (see §3.6.) and ready for use.
3. Test item
3.1. Assay No.1
Cell weight (MC): 33.1581 g
Total weight: cell + test item (MT): 92.2239 g
Test item sample weight (ME = MT- MC): 59.0658 g
| Values | Values Mesured density (g/cm3) | Mean density (g/cm3) |
| 1 | 1.1145 | 1.1151 ± 0.0003 at 20.2 °C |
| 2 | 1.1147 | |
| 3 | 1.1149 | |
| 4 | 1.1151 | |
| 5 | 1.1150 | |
| 6 | 1.1151 | |
| 7 | 1.1154 | |
| 8 | 1.1152 | |
| 9 | 1.1154 | |
| 10 | 1.1153 |
4.3.2. Assay No.2
Cell weight (MC): 33.1580 g
Total weight: cell + test item (MT): 93.6510 g
Test item sample weight (ME = MT- MC): 60.4930 g
| Values | Values Mesured density (g/cm3) | Mean density (g/cm3) |
| 1 | 1.1137 | 1.1144 ± 0.0003 at 20.3 °C |
| 2 | 1.1142 | |
| 3 | 1.1141 | |
| 4 | 1.1142 | |
| 5 | 1.1143 | |
| 6 | 1.1144 | |
| 7 | 1.1145 | |
| 8 | 1.1146 | |
| 9 | 1.1147 | |
| 10 | 1.1147 |
| Assay No. | Temperature of the test item T (°C) | Relative density of the test item DT4 |
| 1 | 20.2 | 1.1151 |
| 2 | 20.3 | 1.1144 |
| Mean | 20.3 | 1.115 ± 0.001 |
Description of key information
The mean relative density of the test item was D204 = 1.115 ± 0.001 at 20.3 °C.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.115
Additional information
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