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Diss Factsheets
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EC number: 433-460-1 | CAS number: 210880-92-5
- 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:
- 13 Aug 2021
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions) - Method B: Fibre Length and Diameter Distributions
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Hessisches Ministerium für Umwelt, Klimaschutz, Landwirtschaft und Verbraucherschutz, Wiesbaden, Germany
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- volumetric distribution
- Percentile:
- D50
- Mean:
- 87.4 µm
- Remarks on result:
- other: standard deviation not reported
- Percentile:
- D10
- Mean:
- 10 µm
- Remarks on result:
- other: standard deviation not reported
- Percentile:
- D90
- Mean:
- 291 µm
- Remarks on result:
- other: standard deviation not reported
Reference
Results:
The test item consisted of partially transparent, agglomerated
particles of various shapes.
The test item was tested as a liquid dispersion in heptane. Before the
measurement the test item was mixed with heptane and homogenised. This
dispersion was fed to the sample unit, which was filled with heptane.
Subsequently the diluted dispersion was pumped to the optical system.
After passing the analyser beam the sample was pumped back into the
small volume sample dispersion unit.
After adjusting the laser, measuring the background (heptane) and
adjusting the correct particle concentration (obscuration), the
measurement was started. The control software automatically performed
three measurements. The average of these three measurements was given as
a result. Two test series of three measurements each were performed. The
measurement time was 12 s.
Individual results:
D50: 94.37 µm (1st test series), 80.45 µm (2nd test series)
D10: 10.86 µm (1st test series), 9.16 µm (2nd test series)
D90: 287.5 µm (1st test series, 294.4 µm (2nd test series)
The measurements showed three maxima at approximately 1 µm,
approximately 15 µm and approximately 100 µm.
Description of key information
The volumetric particle size distribution:
D50: 87.4 µm
D10: 10.0 µm
D90: 291 µm
Additional information
The volumetric particle size distribution was determined by laser diffraction under consideration of CIPAC MT 187, ISO13320, OECD 110 and US EPA OCSPP 830.7520.
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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