Registration Dossier
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Diss Factsheets
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EC number: 257-827-7 | CAS number: 52301-70-9
- 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:
- 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187: Particle Size Analysis by Laser Diffraction
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 13320-1: Particle Size Analysis – Laser Diffraction Methods
- Deviations:
- no
- Principles of method if other than guideline:
- None
- GLP compliance:
- no
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- mass based distribution
- Mass median aerodynamic diameter:
- 27.007 µm
- Percentile:
- D10
- Mean:
- 12.52 µm
- Remarks on result:
- other: no St. dev. provided
- Key result
- Percentile:
- D50
- Mean:
- 27.007 µm
- Remarks on result:
- other: no St. dev. provided
- Percentile:
- D90
- Mean:
- 56.372 µm
- Remarks on result:
- other: no St. dev. provided
- Conclusions:
- median particle size is 27.007 μm.
- Executive summary:
The purpose of the study was the evaluation of the particle size distribution according to the following guidelines CIPAC MT 187: Particle Size Analysis by Laser Diffraction ISO 13320-1: Particle Size Analysis – Laser Diffraction Methods. The median particle size is found to be 27.007 μm. This value is also considered to represent the mass median aerodynamic diameter (MMAD).
Reference
Description of key information
The particle size distribution was investigated in a study conducted according to the following guidelines CIPAC MT 187: Particle Size Analysis by Laser Diffraction ISO 13320-1: Particle Size Analysis – Laser Diffraction Methods. The median particle size of the substance is found to be 27.007 μm. This value is also considered to represent the mass median aerodynamic diameter (MMAD).
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.