Registration Dossier
Registration Dossier
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EC number: 215-691-6 | CAS number: 1344-28-1
Nanomaterial porosity
Administrative data
- Endpoint:
- nanomaterial porosity
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
Reference
- Endpoint:
- nanomaterial specific surface area
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- ISO 9277 Determination of the specific surface area of solids by gas adsorption - BET method
- GLP compliance:
- no
- Type of method:
- BET
- Specific details on test material used for the study:
- form: High surface area alumina (nanofrom)
- Instruments:
- QUANTACHROME NOVA 3000e
- Specific Surface Area:
- 208 m²/g
Slope = 16.583
Intercept = 2.000e-01
Correlation coefficient, r = 0.999990
C constant = 83.918
Surface Area = 207.505 m²/g
- Reason / purpose for cross-reference:
- reference to same study
Reference
- Endpoint:
- density, other
- Remarks:
- true density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- other: DIN 66137-2 True density by He-Pycnometry
- GLP compliance:
- no
- Type of method:
- pycnometer method
- Remarks:
- He pycnometry
- Specific details on test material used for the study:
- Samples have been dried for 3.5 h at 105 °C and cooled down in an exsiccator before measurement.
- Type:
- other: true density
- Density:
- 3.092 g/cm³
- Temp.:
- 24.02 °C
- Remarks on result:
- other: Density Std. Dev.: 0.0009 g/cm³
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- other: DIN 66133
- Version / remarks:
- Mercury Porosimetry
- Qualifier:
- according to guideline
- Guideline:
- other: DIN 66137-2
- Version / remarks:
- True Density by He-Pycnometry
- GLP compliance:
- no
- Type of method:
- other: Mercury Porosimetry, He-Pycnometry
Test material
- Reference substance name:
- Aluminium oxide
- EC Number:
- 215-691-6
- EC Name:
- Aluminium oxide
- Cas Number:
- 1344-28-1
- Molecular formula:
- Al2O3
- IUPAC Name:
- oxo[(oxoalumanyl)oxy]alumane
- Test material form:
- solid: nanoform
Constituent 1
Data gathering
- Instruments:
- POREMASTER 60G
Results and discussion
Porosity (fraction of void space in the material)
- Mean:
- 60 %
Specific pore volume
- Mean:
- 0.493 cm³/g
Modal pore diameter
- Mean:
- 8 nm
Any other information on results incl. tables
Additionally the true density was determined with a QUANTACHROME Ultrapycnometer 1200e (Helium) was determined to be 3.092 g/cm³
Applicant's summary and conclusion
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
