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Diss Factsheets
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EC number: 266-605-9 | CAS number: 67219-55-0
- 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:
- 2017-11-10 to 2018-04-06
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187: Particle Size Analysis by Laser Diffraction
- GLP compliance:
- no
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- agglomerate
- Type of distribution:
- volumetric distribution
- Mass median aerodynamic diameter:
- 192.9 µm
- Percentile:
- D50
- Mean:
- 192.9 µm
- St. dev.:
- 6.8
- Percentile:
- D10
- Mean:
- 19.1 µm
- St. dev.:
- 1.2
- Percentile:
- D90
- Mean:
- 561.8 µm
- St. dev.:
- 38.5
- Remarks on result:
- other: The test item tended to agglomeration. The agglomeration had an influence on the test result.
- Conclusions:
- The particle size distribution of the test item was determined by laser diffraction (light scattering):
Average of the median particle size D (v, 0.5): 192.9 µm (standard deviation: 6.8 µm)
Average of the particle size D (v, 0.1): 19.1 µm (standard deviation: 1.2 µm)
Average of the particle size D (v, 0.9): 561.8 µm (standard deviation: 38.5 µm) - Executive summary:
The particle size distribution of the test item was determined by laser diffraction (light scattering):
Average of the median particle size D (v, 0.5): 192.9 µm (standard deviation: 6.8 µm)
Average of the particle size D (v, 0.1): 19.1 µm (standard deviation: 1.2 µm)
Average of the particle size D (v, 0.9): 561.8 µm (standard deviation: 38.5 µm)
The agglomeration of the test item could have incluenced the test results.
Reference
The test item consisted of non-transparent particles which tended to agglomeration. The agglomeration could have influenced the test results. Median values were calculated from unrounded values.
Median particle size D (v, 0.5): 50% of particle volume or particle mass with lower particle diameter
1st test series: 191.9 µm
2nd test series: 193.9 µm
Average of the median particle size: 192.9 µm
Particle size D (v, 0.1): 10% of particle volume or particle mass with lower particle diameter
1st test series: 19.9 µm
2nd test series: 18.2 µm
Average of the particle size: 19.1 µm
Particle size D (v, 0.9): 90% of particle volume or particle mass with lower particle diameter
1st test series: 567.7 µm
2nd test series: 555.8 µm
Average of the particle size: 561.8 µm
The particle size distribution showed a polymodal distribution with two maxima. The first maximum was observed at approx. 20 µm and the second at approx. 300 µm.
Description of key information
The particle size distribution of the test item was determined by laser diffraction (light scattering):
Average of the median particle size D (v, 0.5): 192.9 µm (standard deviation: 6.8 µm)
Average of the particle size D (v, 0.1): 19.1 µm (standard deviation: 1.2 µm)
Average of the particle size D (v, 0.9): 561.8 µm (standard deviation: 38.5 µm)
The agglomeration of the test item could have incluenced the test results.
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.
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