Registration Dossier
Registration Dossier
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EC number: 273-761-1 | CAS number: 69012-64-2 Amorphous silicon dioxide particles from the volatilization and vaporization of furnace feed materials in the manufacture of ferrosilicon and silicon.
Substance identity
Identification
- Display Name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- inorganic
Substance Identifiers open all close all
Silica fume, microsilica, condensed SiO2 (silica) fume, amorphous silica, silicon dioxide powder, silica powder, volatilized SiO2, thermally generated silica fume (TGSF), microfume
(No other type specified)
Compositions
Boundary Composition(s) open all close all
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Characterisation of nanoforms
Particle size distribution and range
Particle size distribution and range
- Range of length:
- ca. 150 nm
- Range of lateral dimension 1:
- ca. 150 nm
- Range of lateral dimension 2:
- ca. 150 nm
Specific surface area
- Range of specific surface area:
- ca. 20 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Legal Entity Composition(s) open all close all
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Characterisation of nanoforms
Particle size distribution and range
Particle size distribution and range
- Range of length:
- ca. 150 nm
- Range of lateral dimension 1:
- ca. 150 nm
- Range of lateral dimension 2:
- ca. 150 nm
Specific surface area
- Range of specific surface area:
- ca. 20 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- This nanoform is covered by a registration:
- yes
- Name of nanoform:
- Silica-fume_spherical-amorphous-OR
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- yes
- Typical composition:
- ca. 100 %
- Range:
- ca. 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- ca. 87.2 nm
- Range:
- >= 80 - <= 155 nm
- Percentile:
- D50
- Typical value:
- ca. 25.8 nm
- Range:
- >= 20 - <= 47 nm
- Percentile:
- D10
- Typical value:
- ca. 11.9 nm
- Range:
- >= 9 - <= 21 nm
- Fraction of constituent particles in the size range 1-100 nm:
- >= 82 - <= 92 %
Crystallinity
Structures
- Structure:
- amorphous
- Pure structure:
- yes
- Typical composition:
- ca. 100 %
- Range:
- ca. 100 %
- Crystal system:
- not applicable
Specific surface area
- Typical specific surface area:
- ca. 12 m²/g
- Range of specific surface area:
- >= 10.6 - <= 14.2 m²/g
- Skeletal density:
- ca. 2.65 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- This nanoform is covered by a registration:
- yes
- Name of nanoform:
- Silica-fume_spherical-amorphous
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- yes
- Typical composition:
- ca. 100 %
- Range:
- ca. 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- ca. 87.2 nm
- Range:
- >= 80 - <= 155 nm
- Percentile:
- D50
- Typical value:
- ca. 25.8 nm
- Range:
- >= 20 - <= 47 nm
- Percentile:
- D10
- Typical value:
- ca. 11.9 nm
- Range:
- >= 9 - <= 21 nm
- Fraction of constituent particles in the size range 1-100 nm:
- >= 82 - <= 92 %
Crystallinity
Structures
- Structure:
- amorphous
- Pure structure:
- yes
- Typical composition:
- ca. 100 %
- Range:
- ca. 100 %
- Crystal system:
- not applicable
Specific surface area
- Typical specific surface area:
- ca. 12 m²/g
- Range of specific surface area:
- >= 10.6 - <= 14.2 m²/g
- Skeletal density:
- ca. 2.65 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Constituent 1
- Reference substance name:
- Fumes, silica
- EC Number:
- 273-761-1
- EC Name:
- Fumes, silica
- CAS Number:
- 69012-64-2
- Molecular formula:
- SiO2
- IUPAC Name:
- silanedione
Composition(s) generated upon use
Other types of composition(s)
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.
