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Diss Factsheets
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EC number: 812-241-6 | 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
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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:
- June 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to an internationally recognised method. The test substance is adequately characterised. Therefore, full validation applies.
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Principles of method if other than guideline:
- mechanical sieving
- GLP compliance:
- no
- Type of method:
- sieving
- Remarks:
- By mechanical sieving
- Type of particle tested:
- other: powder
- Type of distribution:
- mass based distribution
- Specific details on test material used for the study:
- 8 batches were analyzed. Samples were collected at differents states of the packaging process.
- Key result
- Percentile:
- other: D3
- Mean:
- < 40 µm
- St. dev.:
- 1.9
- Remarks on result:
- other: mean of 20 determinations obtained on 8 batches
- Key result
- Percentile:
- other: D17
- Mean:
- <= 80 µm
- St. dev.:
- 11.1
- Remarks on result:
- other: mean of 20 determinations obtained on 8 batches
- Key result
- Percentile:
- other: D36
- Mean:
- <= 100 µm
- St. dev.:
- 8.7
- Remarks on result:
- other: mean of 20 determinations obtained on 8 batches
- Key result
- Percentile:
- other: D77
- Mean:
- <= 150 µm
- St. dev.:
- 10.4
- Remarks on result:
- other: mean of 20 determinations obtained on 8 batches
- Key result
- Percentile:
- other: D92
- Mean:
- <= 200 µm
- St. dev.:
- 13
- Remarks on result:
- other: mean of 20 determinations obtained on 8 batches
- Key result
- Percentile:
- other: D97
- Mean:
- <= 250 µm
- St. dev.:
- 6.3
- Remarks on result:
- other: mean of 20 determinations obtained on 8 batches
- Conclusions:
- The test substance contains particles <100 µm.
- Executive summary:
By mechanical sieving, the particle size distribution of the test item was mainly found to range between 40 μm and 200 μm.
64% w/w of particles have a size higher than 100 μm. Among the 35% w/w of particles having a size below 100 μm, 2% w/w have a size below 40 μm (mean of 20 determinations obtained on 8 batches).
89% w/w of particles of the test item have a size between 40 μm and 200 μm.
After tests, it was shown that the particle size distribution of the test item was mainly found from 40 μm to 200 μm.
Reference
The results of each sample are given in annex II in the report attached.
The table below shows the average distribution for the test item :
Nominal sieve aperture size (µm) |
base |
40 |
80 |
100 |
150 |
200 |
250 |
Particle size (µm) |
< 40 |
40 - 80 |
80 - 100 |
100 - 150 |
150 - 200 |
200 - 250 |
> 250 |
Percentage of residue (%w/w) |
3 |
14 |
19 |
41 |
15 |
5 |
3 |
Cumulative percentage (%w/w) |
3 |
17 |
36 |
77 |
92 |
97 |
100 |
Description of key information
By mechanical sieving, the particle size distribution of the test item was mainly found to range between 40 μm and 200 μm.
64% w/w of particles have a size higher than 100 μm.
Among the 35% w/w of particles having a size below 100 μm : 2% w/w have a size below 40 μm. (mean of 20 determinations obtained on 8 batches)
89% w/w of particles of the test item have a size between 40 μm and 200 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.
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