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EC number: 810-161-6 | CAS number: 1229654-66-3
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 27 Jun 2013
- 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)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
- GLP compliance:
- yes
- Remarks:
- Hess. Ministerium für Umwelt, Energie, Landwirtschaft und Verbraucherschutz, Wiesbaden, Germany
- Type of method:
- air comparison pycnometer (for solids)
- Key result
- Type:
- relative density
- Density:
- 1.52 other: relative density is dimensionless
- Temp.:
- 20 °C
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 15 Dec 2015 to 25 Jan 2016
- 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)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Hess. Ministerium für Umwelt, Energie, Landwirtschaft und Verbraucherschutz, Wiesbaden, Germany
- Type of method:
- air comparison pycnometer (for solids)
- Key result
- Type:
- relative density
- Density:
- 1.47 other: relative density is dimensionless
- Temp.:
- 20 °C
Referenceopen allclose all
Two test series with different weights of the substance were carried out in helium gas at 20°C. Results are reported in the table below.
Experiment 1 |
Experiment 2 |
|||
Weight |
1.65473 g |
1.65437 g |
||
Volume cm³ |
Density g/cm³ |
Volume cm³ |
Density g/cm³ |
|
1. measurement |
1.0749 |
1.5394 |
1.1011 |
1.5025 |
2. measurement |
1.0740 |
1.5407 |
1.1010 |
1.5026 |
3. measurement |
1.0805 |
1.5314 |
1.1035 |
1.4991 |
4. measurement |
1.0746 |
1.5398 |
1.1041 |
1.4984 |
5. measurement |
1.0759 |
1.5380 |
1.1060 |
1.4957 |
6. measurement |
1.0744 |
1.5402 |
1.1076 |
1.4937 |
7. measurement |
1.0794 |
1.5330 |
1.1055 |
1.4965 |
8. measurement |
1.0769 |
1.5366 |
1.1074 |
1.4939 |
9. measurement |
1.0816 |
1.5298 |
1.1126 |
1.4870 |
10. measurement |
1.0820 |
1.5293 |
1.1099 |
1.4905 |
Mean Density g/cm3 |
1.5358 |
1.4960 |
||
Mean (experiments 1 to 2): 1.52 g/cm³
Standard deviation: 0.0281 g/cm³
Relative standard deviation: 1.86%
Relative density (D420) = 1.52
Two test series with different weights of the substance were carried out in helium gas at 20 °C. To ensure the complete purging and thermal equilibration of the system the first five measurements of each experiment were excluded from evaluation. For averaging only the results of the last ten measurements were used. The results of all the measurement are reported in the table below.
Experiment 1 |
Experiment 2 |
|||
Weight |
1.0736 g |
1.0738 g |
||
Volume |
Density |
Volume |
Density |
|
1. measurement |
0.7231 |
1.4847 |
0.7234 |
1.4844 |
2. measurement |
0.7254 |
1.4799 |
0.7255 |
1.4801 |
3. measurement |
0.7263 |
1.4781 |
0.7264 |
1.4782 |
4. measurement |
0.7269 |
1.4771 |
0.7270 |
1.4770 |
5. measurement |
0.7273 |
1.4761 |
0.7277 |
1.4755 |
6. measurement |
0.7279 |
1.4750 |
0.7286 |
1.4737 |
7. measurement |
0.7278 |
1.4751 |
0.7290 |
1.4729 |
8. measurement |
0.7284 |
1.4740 |
0.7287 |
1.4736 |
9. measurement |
0.7284 |
1.4739 |
0.7291 |
1.4728 |
10. measurement |
0.7288 |
1.4731 |
0.7292 |
1.4726 |
11. measurement |
0.7285 |
1.4737 |
0.7294 |
1.4722 |
12. measurement |
0.7289 |
1.4728 |
0.7297 |
1.4715 |
13. measurement |
0.7295 |
1.4717 |
0.7299 |
1.4711 |
14. measurement |
0.7295 |
1.4717 |
0.7296 |
1.4718 |
15. measurement |
0.7288 |
1.4732 |
0.7295 |
1.4719 |
Mean Density (Measurement 6 to 16) |
1.4734 |
1.4724 |
||
Mean (experiments 1 to 2) 1.47 g/cm³
Standard deviation: 0.0007 g/cm³
Relative standard deviation: 0.05 %
Relative density (D420) = 1.47
Description of key information
Relative density 1.47 (technical substance) and 1.52 (pure substance) at 20 °C (OECD Guideline 109, pycnometer)
Key value for chemical safety assessment
- Relative density at 20C:
- 1.47
Additional information
The density value for technical substance has been selected as key value, as technical purity better represents the reality.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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