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EC number: 871-500-1 | CAS number: 2268679-24-7
Density
Administrative data
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 2021-01-07 to 2021-02-15
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Report date:
- 2021
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- air comparison pycnometer (for solids)
Test material
- Reference substance name:
- 1,3-bis(2-methylphenyl)guanidinium m-[[p-anilinophenyl]azo]benzenesulfonate
- EC Number:
- 871-500-1
- Cas Number:
- 2268679-24-7
- Molecular formula:
- C33H32N6SO3
- IUPAC Name:
- 1,3-bis(2-methylphenyl)guanidinium m-[[p-anilinophenyl]azo]benzenesulfonate
- Test material form:
- solid: particulate/powder
1
Results and discussion
Density
- Key result
- Type:
- relative density
- Density:
- ca. 1.247 other: dimentionless
- Temp.:
- 20.2 °C
Any other information on results incl. tables
Calibration sphere |
||
Values |
Mesured volume (cm3) |
Mean volume (cm3) |
1 |
51.0729 |
51.0870 ± 0.0081 |
2 |
51.0725 |
|
3 |
51.0838 |
|
4 |
51.0862 |
|
5 |
51.0874 |
|
6 |
51.0935 |
|
7 |
51.0890 |
|
8 |
51.0957 |
|
9 |
51.0944 |
|
10 |
51.0949 |
|
The mean volume of calibration sphere was 51.0870 cm3± 0.0081 cm3at 19.8 °C. Therefore, the apparatus was considered operational and ready for use. |
||
TEST ITEM |
||
ASSAY 1
Cell weight (MC) = 33.1573 g Total weight: cell + test item (MT) = 77.7931 g Test item sample weight (ME = MT- MC) = 44.6358 g |
||
Values |
Mesured density (g/cm3) |
Mean density (g/cm3) |
1 |
1.2488 |
1.2472 ± 0.0007 at 20.2 °C |
2 |
1.2479 |
|
3 |
1.2472 |
|
4 |
1.2478 |
|
5 |
1.2473 |
|
6 |
1.2468 |
|
7 |
1.2464 |
|
8 |
1.2465 |
|
9 |
1.2465 |
|
10 |
1.2464 |
|
ASSAY 2
Cell weight (MC) = 33.1578 g Total weight: cell + test item (MT) = 76.6028 g Test item sample weight (ME = MT- MC) = 33.1578 g |
||
Values |
Mesured density (g/cm3) |
Mean density (g/cm3) |
1 |
1.2471 |
1.2472 ± 0.0007 at 20.2 °C |
2 |
1.2465 |
|
3 |
1.2463 |
|
4 |
1.2465 |
|
5 |
1.2465 |
|
6 |
1.2459 |
|
7 |
1.2463 |
|
8 |
1.2457 |
|
9 |
1.2458 |
|
10 |
1.2457 |
|
MEAN = 1.247 ± 0.001 |
||
Applicant's summary and conclusion
- Conclusions:
- The mean relative density of the test item is equal to 1.2472 ± 0.0007 g/cm3 at 20.2 °C.
- Executive summary:
The test was performed according to Regulation (EC) No. 1907/2006, Council Regulation (EC) No. 440/2008 EC A.3. method (2008) and OECD Guideline No. 109 (2012).
The mean relative density of the test item is D204 =1.2472 ± 0.0007 at 20.2 °C.
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