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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:
- 21-07-2019 to 26-07-2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study performed under GLP. All relevant validity criteria were met.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- inspected: August 2018 ; signature: November 2018
- Type of method:
- pycnometer method
- Type:
- relative density
- Density:
- 0.969 other: dimensionless
- Temp.:
- 20 °C
- Remarks on result:
- other: mean relative density (n=2); Temperature: ± 0.5°C
- Type:
- density
- Density:
- 969 kg/m³
- Temp.:
- 20 °C
- Remarks on result:
- other: mean density (n=2); Temperature: ± 0.5°C
- Conclusions:
- The density of the test item has been determined to be 969 kg/m^3 at 20 ± 0.5 °C using the pycnometer method.
- Executive summary:
The density was determined according to EU Method A.3 and OECD TG 109 using the pycnometer method under GLP. The mean density (n=2) of the test item was determined to be 969 kg/m^3 at 20 ± 0.5 °C. The relative density was 0.969.
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 08 April 2021 - 14 April 2021
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other:
- Remarks:
- Study conducted according to OECD 109 and EU A.3 guidelines, under GLP without deviation and with certificate of analysis included.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- not specified
- GLP compliance:
- yes
- Type of method:
- pycnometer method
- Key result
- Type:
- relative density
- Density:
- 0.968
- Temp.:
- 20 °C
- Remarks on result:
- other: final result (mean of the two determinations)
- Key result
- Type:
- density
- Density:
- 968.5 kg/m³
- Temp.:
- 20 °C
- Remarks on result:
- other: final result (mean of the two determinations)
- Conclusions:
- The density of the test item has been determined to be 968.5 kg/m3 at 20.0 ± 0.5 °C and a relative density of 0.969.
- Executive summary:
The density was determined according to EU Method A.3 and OECD TG 109 using the pycnometer method under GLP. The mean density (n=2) of the test item was determined to be 968.5 kg/m^3 at 20 ± 0.5 °C. The relative density was 0.969.
Referenceopen allclose all
Table 1.0 – Pycnometer method determinations
Measurement |
Determination |
|
1 |
2 |
|
Mass of pycnometer (g) |
17.6556 |
17.8628 |
Mass of pycnometer and purified water at 20.0 °C (g) |
27.8654 |
28.0701 |
Mass of pycnometer and test item at 20.0 °C (g) |
27.5678 |
27.7765 |
Density of water at 20.0 °C (kg/m3) |
998.20 |
998.20 |
Density (kg/m3) |
969 |
969 |
Relative density |
0.969 |
0.969 |
Mean density: 969 kg/m3
Mean relative density: 0.969
Temperature: 20.0 ± 0.5 °C
Results:
The results for duplicate determinations of density are shown in the following table:
| Measurement | Determination | |
| 1 | 2 | |
| Constant mass of pycnometer (g) | 18.0362 | 18.0024 |
| Mass of pycnometer and purified water at 20.0 °C (g) | 28.1080 | 28.0295 |
| Mass of pycnometer and test item at 20.0 °C (g) | 27.8078 | 27.7311 |
| Temperature of test item (°C) | 20.0 | |
| Density of water at 20.0 °C (kg/m3) | 998.2 | |
| Density of test item (kg/m3) | 968.5 | 968.5 |
Mean density: 968.5 kg/m3
Relative density: 0.969
Temperature: 20.0 + 0.05 °C
Description of key information
Weight of evidence: Relative Density of substance : 0.969 at 20 ± 0.5 °C, 2020
1. Relative Density: 0.969 at 20 ± 0.5 °C, EU Method A.3 pycnometer method, 2019
2. Relative Density: 0.969 at 20.0 ± 0.5 °C, EU Method A.3 pycnometer method, 2021
Key value for chemical safety assessment
- Relative density at 20C:
- 0.969
Additional information
Key study : EU Method A.3, 2019 : The density was determined according to EU Method A.3 and OECD TG 109 using the pycnometer method under GLP. The mean density (n=2) of the test item was determined to be 969 kg/m^3 at 20 ± 0.5 °C. The relative density was 0.969.
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