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EC number: 473-810-9 | 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:
- 02 August 2005
- 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:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- 1992
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Key result
- Type:
- relative density
- Density:
- 1.631
- Temp.:
- 20 °C
- Conclusions:
- Under the conditions of the study, the mean relative density value of the test material using the gas comparison method with the stereopycnometer (on two assays) was determined to be 1.631 ± 0.008 at approximately 20 °C.
- Executive summary:
The relative density of a test material was investigated in a study which was performed in accordance with the standardised guidelines EU Method A.3 and OECD 109 under GLP conditions. Two assay were conducted using the pyncometer method. Under the conditions of the study, the mean density value of the test material using the gas comparison method with the stereopycnometer (on two assays) was determined to be 1.631 ± 0.008 at approximately 20 °C.
Reference
Density Results
Assay No. 1
Test material sample weight: 4.7395 g
Reference volume (VA): 79.330 cm³
Volume of sample cell holder: 33.071 cm³
Data |
Run No. 1 |
Run No. 2 |
Run No. 3 |
P2 (PSIG) |
17.876 |
17.360 |
17.291 |
P3 (PSIG) |
4.923 |
4.781 |
4.762 |
Vp (cm3) |
2.9203 |
2.9194 |
2.9194 |
Density (g/ cm3) |
1.6229 |
1.6235 |
1.6235 |
Mean density (g/cm3) |
1.623 |
||
Mean relative density |
1.623 |
||
Three other runs were performed but the density values obtained were not situated within 0.2 %, these values were not taken into account for the final calculation.
Assay No. 2
Test material sample weight: 4.5527 g
Reference volume (VA): 79.330 cm³
Volume of sample cell holder: 33.071 cm³
Data |
Run No. 1 |
Run No. 2 |
Run No. 3 |
P2 (PSIG) |
17.270 |
17.598 |
17.934 |
P3 (PSIG) |
4.772 |
4.863 |
4.956 |
Vp (cm3) |
2.7811 |
2.7780 |
2.7767 |
Density (g/ cm3) |
1.6370 |
1.6388 |
1.6396 |
Mean density (g/cm3) |
1.638 |
||
Mean relative density |
1.638 |
||
Three other runs were performed but the density values obtained were not situated within 0.2 %, these values were not taken into account for the final calculation.
Description of key information
Under the conditions of the study, the mean relative density value of the test material using the gas comparison method with the stereopycnometer (on two assays) was determined to be 1.631 ± 0.008 at approximately 20 °C.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.631
Additional information
The relative density of a test material was investigated in a study which was performed in accordance with the standardised guidelines EU Method A.3 and OECD 109 under GLP conditions. Two assay were conducted using the pyncometer method. Under the conditions of the study, the mean relative density value of the test material using the gas comparison method with the stereopycnometer (on two assays) was determined to be 1.631 ± 0.008 at approximately 20 °C.
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