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Registration Dossier
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EC number: 285-349-9 | CAS number: 85085-18-3
Substance identity
Identification
- Display Name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- EC Number:
- 285-349-9
- EC Name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- CAS Number:
- 85085-18-3
- Molecular formula:
- Na0.7[Mg5.3Li0.7Si8O20(OH)0.0F4.0]
- IUPAC Name:
- Synthetic fluorohectorite
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: nanoform
Constituent 1
- Reference substance name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- EC Number:
- 285-349-9
- EC Name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- CAS Number:
- 85085-18-3
- Molecular formula:
- Na0.7[Mg5.3Li0.7Si8O20(OH)0.0F4.0]
- IUPAC Name:
- Synthetic fluorohectorite
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Synthetic fluorohectorite (Type 1 LAPONITE)
Shape
Shape description
- Shape category:
- platelet
- Shape:
- plate
- Pure shape:
- yes
Particle size distribution and range
Crystallinity
Specific surface area
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- EC Number:
- 285-349-9
- EC Name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- CAS Number:
- 85085-18-3
- Molecular formula:
- Na0.7[Mg5.3Li0.7Si8O20(OH)0.0F4.0]
- IUPAC Name:
- Synthetic fluorohectorite
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Trioctahedral smectite clay
Shape
Shape description
- Shape category:
- platelet
- Shape:
- plate
- Pure shape:
- yes
Particle size distribution and range
Particle size distribution and range
- Shape category:
- platelet
Percentileopen allclose all
- Percentile:
- D10
- Range:
- > 0.4 - < 2.5 μm
- Percentile:
- D50
- Range:
- > 1.4 - < 35 μm
- Percentile:
- D90
- Range:
- > 4.5 - < 90 μm
- Range of lateral dimension 1:
- >= 1 - <= 200 μm
- Range of lateral dimension 2:
- >= 1 - <= 200 μm
- Typical aspect ratio (:1):
- ca. 100 000 :1
- Range of aspect ratio (:1):
- >= 1 000 - <= 200 000
- Additional information:
- The boundary composition reflects LAPONITE Type 1 and the Barrier Silicate both in powder form. In powder form both compositions consist of powder granules. The powder granules are micro-sized particles. Hence the percentile and the lateral dimension are presented in micrometer.
The aspect ratio is the result from the lateral dimension (>=1 <=200 micrometer) divided by the thickness (1nm).
Lateral dimension and aspect ratio of powder form: The size of the particles in powder form is mainly controlled by the characteristics of the milling process and may range from ~1µm to ~200µm with widely variable aspect ratio.
Because the boundary composition reflects the aggregated powder form the "fraction of constituent particles in the size range 1-100 nm" is < 1 %. - Fraction of constituent particles in the size range 1-100 nm:
- > 0 - < 1 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Trioctahedral smectite clay
- Pure structure:
- yes
- Crystal system:
- other: Trioctahedral smectite clay
Specific surface area
- Typical specific surface area:
- ca. 418 m²/g
- Range of specific surface area:
- > 0 - < 700 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Legal Entity Composition(s) open all close all
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- EC Number:
- 285-349-9
- EC Name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- CAS Number:
- 85085-18-3
- Molecular formula:
- Na0.7[Mg5.3Li0.7Si8O20(OH)0.0F4.0]
- IUPAC Name:
- Synthetic fluorohectorite
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Synthetic fluorohectorite (Type 1 LAPONITE)
Shape
Shape description
- Shape category:
- platelet
- Shape:
- plate
- Pure shape:
- yes
Particle size distribution and range
Crystallinity
Specific surface area
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- EC Number:
- 285-349-9
- EC Name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- CAS Number:
- 85085-18-3
- Molecular formula:
- Na0.7[Mg5.3Li0.7Si8O20(OH)0.0F4.0]
- IUPAC Name:
- Synthetic fluorohectorite
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Synthetic fluorohectorite (Type 1 LAPONITE)
Shape
Shape description
- Shape category:
- platelet
- Shape:
- plate
- Pure shape:
- yes
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- EC Number:
- 285-349-9
- EC Name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- CAS Number:
- 85085-18-3
- Molecular formula:
- Na0.7[Mg5.3Li0.7Si8O20(OH)0.0F4.0]
- IUPAC Name:
- Synthetic fluorohectorite
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Trioctahedral smectite clay
Shape
Shape description
- Shape category:
- platelet
- Shape:
- plate
- Pure shape:
- yes
Particle size distribution and range
Particle size distribution and range
- Shape category:
- platelet
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.6 μm
- Range:
- > 0.4 - < 0.8 μm
- Percentile:
- D50
- Typical value:
- ca. 1.73 μm
- Range:
- > 1.2 - < 2 μm
- Percentile:
- D90
- Typical value:
- ca. 5.25 μm
- Range:
- > 4 - < 6.5 μm
- Range of lateral dimension 1:
- >= 1 - <= 9 μm
- Range of lateral dimension 2:
- >= 1 - <= 9 μm
- Typical aspect ratio (:1):
- ca. 5 000 :1
- Range of aspect ratio (:1):
- >= 1 000 - <= 9 000
- Additional information:
- The barrier silicate has two dimensions in the µm range while one dimension (thickness) is in the range of 0.9 – 1.7 nm. The aspect ratio is the result from the lateral dimension (>=1 <=9 micrometer) divided by the thickness (1nm).
- Fraction of constituent particles in the size range 1-100 nm:
- > 0 - < 1 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Trioctahedral smectite clay
- Pure structure:
- yes
- Crystal system:
- other: Trioctahedral smectite clay
Specific surface area
- Typical specific surface area:
- ca. 2.5 m²/g
- Range of specific surface area:
- > 0 - < 400 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no