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EC number: 215-687-4 | CAS number: 1344-09-8
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19 October 2009
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: measured data from company
- Principles of method if other than guideline:
- laser diffraction method, Mastersizer 2000, Ver. 5.54
- GLP compliance:
- not specified
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- other: see Remarks
- Remarks:
- powder
- Type of distribution:
- volumetric distribution
- Remarks on result:
- other: see Remarks
- Remarks:
- see below results
- Key result
- Percentile:
- D10
- Mean:
- ca. 30.178 µm
- Remarks on result:
- other: see Remarks
- Remarks:
- No information of SD is given.
- Key result
- Percentile:
- D50
- Mean:
- ca. 85.273 µm
- Remarks on result:
- other: see Remarks
- Remarks:
- No information of SD is given.
- Key result
- Percentile:
- D90
- Mean:
- ca. 187.823 µm
- Remarks on result:
- other: see Remarks
- Remarks:
- No information of SD is given.
- No.:
- #1
- Size:
- 1.905 µm
- Distribution:
- 0.06 %
- No.:
- #2
- Size:
- 10 µm
- Distribution:
- 0.42 %
- No.:
- #3
- Size:
- 22.909 µm
- Distribution:
- 1.59 %
- No.:
- #4
- Size:
- 30.2 µm
- Distribution:
- 2.79 %
- No.:
- #5
- Size:
- 52.481 µm
- Distribution:
- 6.04 %
- No.:
- #6
- Size:
- 91.201 µm
- Distribution:
- 7.84 %
- No.:
- #7
- Size:
- 104.713 µm
- Distribution:
- 7.72 %
- No.:
- #8
- Size:
- 120.226 µm
- Distribution:
- 7.31 %
- No.:
- #9
- Size:
- 208.93 µm
- Distribution:
- 3.3 %
- No.:
- #10
- Size:
- 316.228 µm
- Distribution:
- 0.05 %
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- August 2009
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: measured data from company
- Principles of method if other than guideline:
- no method given
- GLP compliance:
- not specified
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- other: see Remarks
- Remarks:
- powder
- Type of distribution:
- volumetric distribution
- Remarks on result:
- other: see Remarks
- Remarks:
- see below results
- No.:
- #1
- Size:
- > 1 600 µm
- Distribution:
- <= 1 %
- Remarks on result:
- other: see Remarks
- Remarks:
- granules, molar ratio SiO2/ Na2O = 2.0
- No.:
- #2
- Size:
- > 1 180 µm
- Distribution:
- <= 20 %
- Remarks on result:
- other: see Remarks
- Remarks:
- granules, molar ratio SiO2/ Na2O = 2.0
- No.:
- #3
- Size:
- < 250 µm
- Distribution:
- <= 5 %
- Remarks on result:
- other: see Remarks
- Remarks:
- granules, molar ratio SiO2/ Na2O = 2.0
- No.:
- #4
- Size:
- > 1 600 µm
- Distribution:
- <= 1 %
- Remarks on result:
- other:
- Remarks:
- granules, molar ratio SiO2/ Na2O = 2.65
- No.:
- #5
- Size:
- > 1 180 µm
- Distribution:
- <= 20 %
- Remarks on result:
- other: see Remarks
- Remarks:
- granules, molar ratio SiO2/ Na2O = 2.65
- No.:
- #6
- Size:
- < 250 µm
- Distribution:
- <= 10 %
- Remarks on result:
- other: see Remarks
- Remarks:
- granules, molar ratio SiO2/ Na2O = 2.65
- No.:
- #7
- Size:
- > 400 µm
- Distribution:
- <= 3 %
- Remarks on result:
- other: see Remarks
- Remarks:
- powders, molar ratio SiO2/ Na2O = 2.0
- No.:
- #8
- Size:
- >= 250 µm
- Distribution:
- >= 40 - <= 60 %
- Remarks on result:
- other: see Remarks
- Remarks:
- powders, molar ratio SiO2/ Na2O = 2.0
- No.:
- #9
- Size:
- > 100 µm
- Distribution:
- >= 80 - <= 95 %
- Remarks on result:
- other: see Remarks
- Remarks:
- molar ratio SiO2/ Na2O = 2.0
- No.:
- #10
- Size:
- > 250 µm
- Distribution:
- <= 10 %
- Remarks on result:
- other:
- Remarks:
- powders, molar ratio SiO2/ Na2O = 2.65
- Size:
- > 100 µm
- Distribution:
- >= 35 - <= 55 %
- Remarks on result:
- other: see Remarks
- Remarks:
- powders, molar ratio SiO2/ Na2O = 2.65
- Size:
- < 63 µm
- Distribution:
- <= 35 %
- Remarks on result:
- other: see Remarks
- Remarks:
- powders, molar ratio SiO2/ Na2O = 2.65
- Size:
- > 250 µm
- Distribution:
- <= 20 %
- Remarks on result:
- other: see Remarks
- Remarks:
- powders, molar ratio SiO2/ Na2O = 3.35
- Size:
- < 63 µm
- Distribution:
- <= 40 %
- Remarks on result:
- other: see Remarks
- Remarks:
- powders, molar ratio SiO2/ Na2O = 3.35
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- other: peer-reviewed data base
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: peer-reviewed data base
- Principles of method if other than guideline:
- peer-reviewed data base
- GLP compliance:
- no
- Type of method:
- other: see Remarks
- Remarks:
- This has not been indicated.
- Type of particle tested:
- other: see Remarks
- Remarks:
- powder
- Type of distribution:
- other: This has not been indicated.
- Remarks on result:
- other: see Remarks
- Remarks:
- see below results
- Key result
- Percentile:
- other: 96-98%
- Mean:
- >= 200 - <= 1 250 µm
- Remarks on result:
- other: see Remarks
- Remarks:
- No information of SD is given.
Referenceopen allclose all
Results of particle size distribution are averages of 3 measurements.
Concentration: 0.0047 %Vol,
Specific surface area: 0.115 m2/g,
Span: 1.849,
Surface weighted mean D[3,2]: 52.013 µm,
Uniformity: 0.571,
Vol. weighted mean D[4,3]: 98.487 µm,
d(0.1): 30.178 µm ( = D10),
d(o.5): 85.273 µm ( = D50),
d(0.9): 187.823 µm ( = D90).
|
2.0 Molar Ratio |
2.65 Molar Ratio |
|
Granules |
Granules |
> 1600 µm (%) |
<= 1 |
<= 1 |
> 1180 µm (%) |
<= 20 |
<= 20 |
< 250 µm (%) |
<= 5 |
<= 10 |
Mean particle size (µm) |
700 |
700 |
|
2.0 Molar Ratio |
2.65 Molar Ratio |
3.35 Molar Ratio |
|
Powder |
Powder |
Powder |
> 400 µm (%) |
<= 3 |
|
|
> 250 µm (%) |
40 - 60 |
<= 10 |
<= 20 |
> 100 µm (%) |
80 - 95 |
35 - 55 |
|
< 63 µm (%) |
|
<= 35 |
<= 40 |
Mean particle size (µm) |
250 |
90 |
175 |
In granular products 96% - 98% of the particles are between 200 - 1250 microm.
Description of key information
Powder: 0.02 - 2000 µm
Granule: 200 -1250 µm
Particle size distribution on powders:
D10 = 30.178 µm
D50 = 85.273 µm
D90 = 187.823 µm
Additional information
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.