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Diss Factsheets
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EC number: 951-985-7 | CAS number: -
- 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:
- Experimental Phase: 14 June 2020 to 05 September 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: EUR 20268 'Determination of Particle Size Distribution, Fibre Length and Diameter Distribution of Chemical Substances' (2002)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- sieving
- Type of particle tested:
- primary particle
- Key result
- Percentile:
- other: Percentage of test item less than 100 µm
- Mean:
- ca. 1.07 other: %
- St. dev.:
- 0
- Conclusions:
- The percentage of test item having an inhalable particle size of less than 100 µm was determined to be 1.07%. The test item was therefore considered to be essentially noninhalable.
- Executive summary:
Introduction
The particle size of the test item was determined using a method designed to meet the requirements of the following guideline:
-
European Commission Guidance Document EUR 20268 'Determination of Particle Size Distribution, Fibre Length and Diameter Distribution of Chemical Substances' (2002).
Method
Sieving Apparatus
Instrument: Inclyno Sieve Shaker, Model No 1
Sieve: 100 μm stainless steel mesh (ISO 3310-1: 2000)
Sieve Screening Test
An aliquot (15.00 g) of test item was added to a 100 µm sieve fitted onto a receiver pan of known mass. A lid was then secured onto the sieve and the assembled apparatus placed on a sieve shaker for a period of approximately 30 minutes. The sieve shaker table, on which the sieve rests, had an inclination of 4.5°, a nominal rotation speed of 2.5 rpm and vibrated at approximately 300 oscillations/min with an approximately 4 mm amplitude. Following the shaking period, the mass of the receiver pan and collected test item was recorded and the percentage of test item with a particle size less than 100 µm calculated.
Results
The results of the sieving procedure are shown in the following table:
Measurement Result Mass of test item transferred to sieve (W1) 15.00g Mass of test item passed through sieve (W3– W2) 0.16g Percentage of test item less than 100 µm 1.07% Conclusion
The percentage of test item having an inhalable particle size of less than 100 µm was determined to be 1.07%. The test item was therefore considered to be essentially noninhalable.
-
Reference
The results of the sieving procedure are shown in the following table:
Measurement | Result |
Mass of test item transferred to sieve (W1) | 15.00g |
Mass of test item passed through sieve (W3 – W2) | 0.16g |
Percentage of test item less than 100 µm | 1.07% |
Description of key information
Particle size data summary.
Additional information
The percentage of test item having an inhalable particle size of less than 100 µm was determined to be 1.07%. The test item was therefore considered to be essentially noninhalable.
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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