Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 945-327-8 | CAS number: -
Substance identity
Identification
- Display Name:
- Reaction mass of Silicic acid, calcium salt and Silicic acid, magnesium salt
- EC Number:
- 945-327-8
- Molecular formula:
- CaMgO6Si2
- IUPAC Name:
- Reaction mass of Silicic acid, calcium salt and Silicic acid, magnesium salt
Type of Substance
- Composition:
- multi-constituent substance
- Origin:
- inorganic
Substance Identifiers open all close all
Compositions
Boundary Composition(s) open all close all
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Silicic acid, calcium salt
- EC Number:
- 215-710-8
- EC Name:
- Silicic acid, calcium salt
- CAS Number:
- 1344-95-2
- Molecular formula:
- CaO3Si
- IUPAC Name:
- Silicic acid, calcium salt
Constituent 2
- Reference substance name:
- Silicic acid, magnesium salt
- EC Number:
- 215-681-1
- EC Name:
- Silicic acid, magnesium salt
- CAS Number:
- 1343-88-0
- Molecular formula:
- MgO3Si
- IUPAC Name:
- Silicic acid, magnesium salt
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- yes
- Range:
- >= 99 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Range:
- >= 1 - <= 100 nm
- Percentile:
- D50
- Range:
- >= 1 - <= 100 nm
- Percentile:
- D90
- Range:
- >= 1 - <= 100 nm
- Fraction of constituent particles in the size range 1-100 nm:
- > 1 - <= 100 %
Crystallinity
Structures
- Structure:
- amorphous
- Name:
- Amorphous
- Pure structure:
- yes
- Range:
- > 99.7 - <= 100 %
- Description:
- Amorphous (< 0,3 % crystalline parts).
X-ray diffraction diagrams of CMS, show only a broad halo, revealing an X-ray amorphous structure.
The detection limit for crystallinity by X-ray is in the maximum order of 0.3% by weight or below.
Specific surface area
- Range of specific surface area:
- >= 1 - <= 1 000 m²/g
- Range of volume specific surface area:
- >= 560 - <= 1 400 m²/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
Legal Entity Composition(s) open all close all
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Silicic acid, calcium salt
- EC Number:
- 215-710-8
- EC Name:
- Silicic acid, calcium salt
- CAS Number:
- 1344-95-2
- Molecular formula:
- CaO3Si
- IUPAC Name:
- Silicic acid, calcium salt
Constituent 2
- Reference substance name:
- Silicic acid, magnesium salt
- EC Number:
- 215-681-1
- EC Name:
- Silicic acid, magnesium salt
- CAS Number:
- 1343-88-0
- Molecular formula:
- MgO3Si
- IUPAC Name:
- Silicic acid, magnesium salt
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Remarks:
- irregular spheroids
- Shape:
- spherical
- Pure shape:
- yes
- Range:
- >= 99 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
- Remarks:
- irregular spheroids
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 1.6 nm
- Range:
- ca. 1 - ca. 2 nm
- Percentile:
- D50
- Typical value:
- ca. 5 nm
- Range:
- >= 3 - <= 7 nm
- Percentile:
- D90
- Typical value:
- ca. 12 nm
- Range:
- >= 7 - <= 20 nm
- Additional information:
- According to the histogram (TEM-analysis) the particle size of the CMS sample varies between 30 to 73 nm with the majority of the particles beeing between 30 to 45 nm. It should be mentioned that the image above is an example image of the CMS particles on the TEM grid, different parts of the same gird may have different particles and the particle size can vary between 30 to 100 nm.
- Fraction of constituent particles in the size range 1-100 nm:
- >= 10 - <= 20 %
Crystallinity
Structures
- Structure:
- amorphous
- Pure structure:
- yes
- Typical composition:
- > 99 %
- Range:
- >= 99.7 - <= 100 %
- Description:
- Amorphous (< 0,3 % crystalline parts).
X-ray diffraction diagrams of CMS, show only a broad halo, revealing an X-ray amorphous structure.
The detection limit for crystallinity by X-ray is in the maximum order of 0.3% by weight or below.
Specific surface area
- Typical specific surface area:
- 325 m²/g
- Range of specific surface area:
- >= 200 - <= 500 m²/g
- Typical volume specific surface area:
- 910 m²/cm³
- Range of volume specific surface area:
- >= 560 - <= 1 400 m²/cm³
- Skeletal density:
- 2.8 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
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.
