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EC number: 215-202-6 | CAS number: 1313-13-9
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 7 August 2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or methodological deficiencies, which do not affect the quality of the relevant results. The study report was conclusive and done to a valid guideline.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- air comparison pycnometer (for solids)
- Type:
- relative density
- Density:
- 5.21
- Temp.:
- 21 °C
- Conclusions:
- The relative density of MnO2 was determined to be 5.21 at a temperature of 21 ± 0.5 °C
- Executive summary:
The relative density of the test material was determined in a study which was conducted in accordance with the standardised guideline EU Method A.3.
Under the conditions of the study the relative density of the test material was determined to be 5.21 at 21 ± 0.5°C.
Reference
Table 2: Results from the calibration
The pressure readings (P1and P2) and the calculated volume for the calibration ball are shown in the following table:
Determination |
P1 |
P2 |
Volume (cm3) |
Certified Volume (cm3) |
Tolerance (cm3) |
A |
16.983 |
8.407 |
56.444 |
56.6 |
± 0.5 |
B |
17.122 |
8.475 |
56.426 |
56.6 |
± 0.5 |
Table 2: Tabulated results from the sample
The pressure reading, calculated volumes and density values obtained for the test material are shown in the following table:
Determination |
P1 |
P2 |
Volume (cm3) |
Density (kg/m3) |
A |
17.017 |
6.997 |
18.976 |
5.22 x 103 |
B |
17.027 |
6.930 |
16.707 |
5.20 x 103 |
Temperature: 21.0 ± 0.5 °C Mean density: 5.21 x 103 kg/m3 Relative density: 5.21 |
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Description of key information
Relative density - 5.21 at 21 ± 0.5°C, EU Method A.3, Butler & O'Connor (2009)
Key value for chemical safety assessment
- Relative density at 20C:
- 5.21
Additional information
The relative density of the test material was determined in a study which was conducted in accordance with the standardised guideline EU Method A.3.
Under the conditions of the study the relative density of the test material was determined to be 5.21 at 21 ± 0.5°C.
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