Registration Dossier
Registration Dossier
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EC number: 410-690-9 | CAS number: 103055-07-8 CGA 184699
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 22 Jun 1998 to 01 Jul 1998
- 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)
- GLP compliance:
- yes
- Type of method:
- air comparison pycnometer (for solids)
- Key result
- Type:
- relative density
- Density:
- 1.67 other: dimensionless
- Temp.:
- 21 °C
- Type:
- density
- Density:
- 1 670 kg/m³
- Temp.:
- 21 °C
- Conclusions:
- The relative density was found to be 1.67, corresponding to a density of 1.67E3 kg/m3 at 21 °C
- Executive summary:
The density of the test substance was determined using an air (Helium) comparison pycnometer method performed according to OECD TG 109 and following GLP principles. The relative density was found to be 1.67, corresponding to a density of 1.67E3 kg/m3 at 21 °C
Reference
Sample preparation
Sample has been dried for 3 h (at 50 °C)
Weight of sample before drying: 9.92 g
Weight of sample after drying: 9.88 g
Relative change: 0.4 %
Weights
Weight of sample for analysis I: 5.629 g
Weight of sample for analysis ll: 4.022 g
Measured Volumes
Results for the volume of the test sphere (standard sphere of volume 8.58 x 10E-6 m3):
V = 8.584 x 10E-6 m3 (for analysis I)
V = 8.570 x 10E-6 m3 (for analysis II)
Results of successive volume measurements:
|
Analysis I |
Analysis II |
1. |
3.77 mL |
2.74 mL |
2. |
3.74 mL |
2.75 mL |
3. |
3.75 mL |
2.76 mL |
Average |
3.753 mL |
2.750 mL |
Blank |
-0.356 mL |
-0.366 mL |
Effective volume |
3.397 mL |
2.384 mL |
Final results:
Density (average of analysis I and II): ρ = (1.67 ± 0.05) x 10E3 kg/m3 (temperature 21 °C).
This indicated error is based on an accurary of 0.05E-6 m3 for the volume measurement.
Description of key information
Relative density: 1.67 (corresponding to a density of 1.67E3 kg/m3 at 21 °C), OECD TG 109, air (Helium) comparison pycnometer, Füldner 1998
Key value for chemical safety assessment
- Relative density at 20C:
- 1.67
Additional information
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