Registration Dossier
Registration Dossier
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EC number: 908-917-6 | 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:
- Aug 12 - Dec 01, 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- The Department of Health of the Government of the United Kingdom
- Type of method:
- pycnometer method
- Type:
- relative density
- Density:
- 0.98 other: dimensionless
- Temp.:
- 20 °C
- Type:
- density
- Density:
- 979.9 kg/m³
- Temp.:
- 20 °C
Reference
Calibration
The pressure readings and the calculated volume for the reference and sample cells are shown in the following table:
Determination |
P1(psig) |
P2(psig) |
P3(psig) |
P4(psig) |
Reference Cell Volume (cm3) |
Sample Cell Volume (cm3) |
1 |
17.119 |
6.477 |
17.331 |
8.585 |
90.597 |
148.855 |
2 |
17.097 |
6.477 |
17.647 |
8.745 |
90.975 |
149.168 |
3 |
17.821 |
6.754 |
17.158 |
8.503 |
91.120 |
149.308 |
Mean reference cell volume : 90.898 cm3 Mean sample cell volume : 149.110 cm3
As the reference cell volume and sample cell volume were within the defined tolerance (90.953 ± 1.0 cm3 and 149.225 ± 1.0 cm3 for the reference and sample cell volumes respectively) the gas comparison pycnometer was therefore considered acceptable for use.
Sample
The pressure readings, calculated volumes and density values obtained for the test item are shown in the following table:
Determination |
Test |
P1(sample)(psig) |
P2(sample) (psig) |
Volume (cm3) |
Density (kg/m3) |
Mean Density (kg/m3) |
1 |
A |
17.032 |
8.301 |
53.504 |
975.6 |
973.5 |
B |
17.045 |
8.315 |
53.676 |
972.5 |
||
C |
17.058 |
8.322 |
53.691 |
972.2 |
||
2 |
A |
17.090 |
8.750 |
62.472 |
990.4 |
984.0 |
B |
17.330 |
8.903 |
63.073 |
980.9 |
||
C |
17.076 |
8.773 |
63.082 |
980.8 |
||
3 |
A |
17.010 |
9.165 |
71.304 |
983.2 |
982.4 |
B |
17.131 |
9.233 |
71.356 |
982.5 |
||
C |
17.128 |
9.236 |
71.440 |
981.3 |
Mean density : 979.9 kg/m3 Relative density : 0.980 Temperature : 20.0 ± 0.5 °C.
Discussion
Duplicate determinations were performed to ensure a reproducibility of less than ± 20 kg/m3 was obtained.
Conclusion
The density of the test item has been determined to be 979.9 kg/m3 at 20.0 ± 0.5 °C; relative density: 0.980.
Description of key information
relative density 0.98 at 20.0 ± 0.5 °C using a gas comparison pycnometer (EU Method A.3/OECD 109)
Key value for chemical safety assessment
- Relative density at 20C:
- 0.98
Additional information
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