Registration Dossier
Registration Dossier
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EC number: 226-827-9 | CAS number: 5495-84-1
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- tap density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 03 April 2018
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- 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:
- pour density
- Density:
- 566.2 kg/m³
- Remarks on result:
- other: Temperature not specified
- Key result
- Type:
- tap density
- Density:
- 732 kg/m³
- Remarks on result:
- other: Temperature not specified
- Conclusions:
- Under the conditions of this study, the test material was found to have a bulk tap density of 732.0 kg/m^3.
- Executive summary:
The density of the test material was investigated in accordance with the standardised guideline OECD 109, using the pour and tap method.
A known weight of the solid material was placed in a glass graduated cylinder and its volume measured to determine the ‘pour density.’ The cylinder is 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 the ‘tap density'.
Under the conditions of this study, the test material was found to have a bulk tap density of 732.0 kg/m^3.
Reference
Pour density:
- Weight: 30.0 g
- Volume: 53 cm^3
- 566.2 kg/m^3
Tapped density:
- Weight: 30.0 g
- Volume: 41 cm^3
- 732.0 kg/m^3
Description of key information
Under the conditions of this study, the test material was found to have a bulk tap density of 732.0 kg/m^3.
Key value for chemical safety assessment
Additional information
The density of the test material was investigated in accordance with the standardised guideline OECD 109, using the pour and tap method. The study was awarded a reliability score of 2 in accordance with the criteria set forth by Klimisch et al. (1997).
A known weight of the solid material was placed in a glass graduated cylinder and its volume measured to determine the ‘pour density.’ The cylinder is 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 the ‘tap density'.
Under the conditions of this study, the test material was found to have a bulk tap density of 732.0 kg/m^3.
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