Registration Dossier
Registration Dossier
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EC number: 951-985-7 | 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:
- Experimental Phase: 14 June 2020 to 05 September 2020.
- 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)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Key result
- Type:
- relative density
- Density:
- ca. 1.25 other: Relative to the density of water (relative density has no dimensions)
- Temp.:
- 20 °C
- Conclusions:
- The density of the test item has been determined to be 1.25 x 103 kg/m3 at 20.0 ± 0.5 °C. The test item relative density is 1.25.
- Executive summary:
Introduction
The relative density of the test substance was determined using a method designed to meet the requirements of the following guidelines:
- Method A.3 Relative Density of Commission Regulation (EC) No. 440/2008 of 30 May 2008
- Method 109 of the OECD Guidelines for Testing of Chemicals, 02 October 2012
Method
The determination was carried out by the gas comparison pycnometer method. The test system was as follows:
- Instrument: Multi-Pycnometer, Quantachrome, Syosset, N.Y., USA
- Calibration Sphere: A stainless steel sphere with a known volume (Vcal = 56.559 cm3)
- Gas: Helium
Results and Conclusion
The density of the test item has been determined to be 1.25 x 103 kg/m3 at 20.0 ± 0.5 °C. The test item relative density is 1.25.
Reference
Duplicate determinations were performed, which gave a reproducibility of ≤ 20 kg/m3.
The pressure readings, calculated volumes and density values obtained for the test item are shown in the following table:
| Determinationn | Replicate | P1 (sample) (psig) |
P2 (sample) (psig) |
Volume (cm3) | Density (kg/m3) |
Mean Density (kg/m3) |
1
|
A |
17.059 |
7.403 |
30.578 |
1.252 x 103 |
1.255 x 103
|
B |
17.030 |
7.388 |
30.510 |
1.255 x 103 |
||
C |
17.340 |
7.519 |
30.413 |
1.259 x 103 |
||
2
|
A |
17.014 |
7.134 |
23.272 |
1.253 x 103 |
1.253 x 103
|
B |
17.031 |
7.142 |
23.298 |
1.252 x 103 |
||
C |
17.035 |
7.143 |
23.278 |
1.253 x 103 |
psig = pressure readings for the calibration without calibration sphere
Description of key information
Relative density data summary.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.25
Additional information
The density of the test item has been determined to be 1.25 x 10^3 kg/m3 at 20.0 ± 0.5 °C. The test item relative density is 1.25.
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