Registration Dossier
Registration Dossier
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EC number: 233-634-3 | CAS number: 10287-53-3
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- tap density
- Remarks:
- and pour density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 22 November 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- GLP compliance:
- not specified
- Type of method:
- pour and tap (for solids)
- Key result
- Type:
- tap density
- Density:
- 684.9 kg/m³
- Remarks on result:
- other: no information on temperature available.
- Key result
- Type:
- pour density
- Density:
- 500 kg/m³
- Remarks on result:
- other: no information on temperature available.
- Conclusions:
- Under the conditions of this study the pour density of the test material was determined to be 500 kg/m³ and the tapped density was determined to be 684.9 kg/m³.
- Executive summary:
The pour and tapped density of the test material was determined in accordance with the standardised guideline OECD 109.
A known weight of test material was placed in a glass graduated measuring cylinder and its volume measured to determine the ‘pour density’. The cylinder was then raised and allowed to fall vertically through a distance of 25 mm on a rubber pad 50 times. The volume was measured again to determine tap density.
Under the conditions of this study the pour density of the test material was determined to be 500 kg/m³ and the tapped density was determined to be 684.9 kg/m³.
Reference
Table 1: Summary of Density Results
|
Weight (g) |
Volume (cm3) |
kg/m3 |
Pour density |
50 |
100 |
500 |
Tapped density |
50 |
73 |
684.9 |
Description of key information
Under the conditions of this study the pour density of the test material was determined to be 500 kg/m³ and the tapped density was determined to be 684.9 kg/m³.
Key value for chemical safety assessment
Additional information
The pour and tapped density of the test material was determined in accordance with the standardised guideline OECD 109. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).
A known weight of test material was placed in a glass graduated measuring cylinder and its volume measured to determine the ‘pour density’. The cylinder was then raised and allowed to fall vertically through a distance of 25 mm on a rubber pad 50 times. The volume was measured again to determine tap density.
Under the conditions of this study the pour density of the test material was determined to be 500 kg/m³ and the tapped density was determined to be 684.9 kg/m³.
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