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Diss Factsheets
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EC number: 217-586-0 | CAS number: 1895-39-2
- 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:
- 03 June - 8 June 2022
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Reliability 1
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Key result
- Percentile:
- other: D[4,3] – Mass Moment Mean – De Brouckere Mean Diameter
- Mean:
- 224.44 µm
- St. dev.:
- 1.3
- Key result
- Percentile:
- D10
- Mean:
- 34.006 µm
- Remarks on result:
- other: St. dev. not specified.
- Key result
- Percentile:
- D50
- Mean:
- 167.26
- Remarks on result:
- other: St. dev. not specified.
- Key result
- Percentile:
- D90
- Mean:
- 494.74
- Remarks on result:
- other: St. dev. not specified.
- Conclusions:
- The distribution of particle size for the test item was determined to be: d10 = 34.006 µm, d50 = 167.260 µm, and d90 = 494.740 µm.
- Executive summary:
The determination of particle size distribution for the test item was carried out in accordance with the method CIPAC MT 187 ( ISO 13320:2020) and following the Principles of GLP. The test was performed using Coulter LS 13 320 with ULM (Universal Liquid Model).A suspension of the test item of the adequate concentration was passed through a laser. The light scattered by the particles at various angles was measured by a multi-element detector and numerical values relating to the scattering pattern were then recorded for subsequent analysis. The percentiles for particle size distribution are: d10= 34.006 µm, d50= 167.260 µm, and d90= 494.740 µm. The mass moment mean (De Brouckere Mean Diameter) of the tested material is determined to be 224.440 µm.
Reference
Particle size | Test number and fraction size(µm) | |||||
1 | 2 | 3 | 4 | 5 | Average | |
d10 [µm] | 34.60 | 34.77 | 34.31 | 33.62 | 32.73 | 34.006 |
d50 [µm] | 168.4 | 167.8 | 167.6 | 167.1 | 165.4 | 167.260 |
d90 [µm] | 487.5 | 484.0 | 490.2 | 501.7 | 510.3 | 494.740 |
* d4,3 [µm] | 224.2 | 222.6 | 224.1 | 225.2 | 226.1 | 224.440 |
Average d4,3, [µm] | 224.440 | |||||
Standard deviation, [µm] | 1.313 | |||||
Relative Standard Deviation, [%] | 0.585 |
Description of key information
Key study. Test method according to CIPAC MT 187 ( ISO 13320-1), GLP study. The percentiles for particle size distribution are: d10= 34.006 μm, d50= 167.260 μm, and d90= 494.740 μm. The mass moment mean (De Brouckere Mean Diameter) of the tested material is determined to be 224.440 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.
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