Registration Dossier
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EC number: 215-691-6 | CAS number: 1344-28-1
Substance identity
Identification
- Display Name:
- Aluminium oxide
- EC Number:
- 215-691-6
- EC Name:
- Aluminium oxide
- CAS Number:
- 1344-28-1
- Molecular formula:
- Al2O3
- IUPAC Name:
- aluminium oxide
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- inorganic
Substance Identifiers open all close all
Compositions
Boundary Composition(s) open all close all
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- Aluminium oxide
- EC Number:
- 215-691-6
- EC Name:
- Aluminium oxide
- CAS Number:
- 1344-28-1
- Molecular formula:
- Al2O3
- IUPAC Name:
- aluminium oxide
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Aluminium oxide
- EC Number:
- 215-691-6
- EC Name:
- Aluminium oxide
- CAS Number:
- 1344-28-1
- Molecular formula:
- Al2O3
- IUPAC Name:
- aluminium oxide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- yes
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 5 nm
- Range:
- >= 3 - <= 6 nm
- Percentile:
- D50
- Typical value:
- 7 nm
- Range:
- >= 5 - <= 12 nm
- Percentile:
- D90
- Typical value:
- 9 nm
- Range:
- >= 7 - <= 25 nm
- Additional information:
- INFORMATION ON AGGLOMERATION / AGGREGATION:
The constituent particles are integrated in aggregates.
Size distribution of discrete particles:
D10: typical value: 5 µm, range 1 - 10 µm;
D50: typical value: 15 µm, range 2 - 2500 µm;
D90: typical value: 40 µm, range 5 - 3000 µm. - Fraction of constituent particles in the size range 1-100 nm:
- >= 100 - <= 100 %
Crystallinity
Structuresopen allclose all
- Structure:
- crystalline
- Name:
- gamma-Al2O3
- Pure structure:
- no
- Range:
- >= 1 - <= 100 %
- Structure:
- crystalline
- Name:
- alpha-Al2O3
- Pure structure:
- no
- Range:
- >= 0 - <= 10 %
- Structure:
- crystalline
- Name:
- kappa-Al2O3
- Pure structure:
- no
- Range:
- >= 0 - <= 70 %
- Description:
- High surface area alumina consists of varying amounts of crystal forms and includes mainly gamma aluminium oxide, although other forms such as alpha aluminium oxide (corundum) and kappa aluminium oxide are also present.
Specific surface area
- Typical specific surface area:
- ca. 208 m²/g
- Range of specific surface area:
- >= 150 - <= 260 m²/g
- Skeletal density:
- ca. 3.1 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no