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Diss Factsheets
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EC number: 236-291-8 | CAS number: 13282-70-7
- 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:
- 2015-02-05 to 2015-06-02
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- OECD Method 110
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- The UK Good Laboratory Practice Regulations (Statutory Instrument 1999 No. 3106, as amended by Statutory Instrument 2004 No. 994). EC Commission Directive 2004/10/EC of 11 February 2004. OECD Principles of Good Laboratory Practice, ENV/MC/CHEM(98)17.
- Type of method:
- Laser scattering/diffraction
- Remarks:
- Pre-sieving was used to remove particles above 2 mm
- Type of particle tested:
- primary particle
- Type of distribution:
- counted distribution
- Key result
- Percentile:
- D10
- Mean:
- 330 µm
- Remarks on result:
- other: Standard deviation not obtained
- Key result
- Percentile:
- D50
- Mean:
- 830 µm
- Remarks on result:
- other: Standard deviation not obtained
- Key result
- Percentile:
- D90
- Mean:
- 1 460 µm
- Remarks on result:
- other: Standard deviation not obtained
- Conclusions:
- Approximately 50% by weight of the test substance had a particle size greater than 2 mm (pre-sieving).
Of the sieved fraction, substance was determined to have d10, d50 and d90 values of 330, 830 and 1460 μm respectively, with a negligible quantity of material smaller than 100 μm. - Executive summary:
A study was performed to determine the particle size distribution of the substance. The study was designed in accordance with accepted principles in order to meet the requirements of REACH Regulation (EU) No 1907/2006 of the European Parliament and of the Council.
The method followed is amongst those described in the OECD Guidelines for the Testing of Chemicals (Method 110).
The substance was pre-sieved to remove material of particle size greater than 2 mm. This equated to approximately 50% by weight of the test substance.
Of the sieved fraction, the substance was determined to have d(0.1), d(0.5) and d(0.9) values of 330, 830 and 1460 μm respectively, with a negligible quantity of material smaller than 100 μm.
Reference
The following parameters are calculated automatically by the instrument software:
d10, or d(0.1), is the diameter where 90% of the distribution is above and 10% is below.
d50, or d(0.5) is the diameter where 50% of the distribution is above and 50% is below, also known as the Mass Median Diameter (MMD).
d90, or d(0.9) is the diameter where 10% of the distribution is above and 90% is below.
N.B. Approximately 50% by weight of the test substance had a particle size greater than 2 mm (pre-sieving).
Description of key information
Approximately 50% by weight of the test substance had a particle size greater than 2 mm (pre-sieving).
Of the sieved fraction, substance was determined to have d10, d50 and d90 values of 330, 830 and 1460 μm respectively, with a negligible quantity of material smaller than 100 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.