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Diss Factsheets
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EC number: 204-701-4 | CAS number: 124-43-6
- 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:
- 2011-03-08
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
- 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)
- Qualifier:
- according to guideline
- Guideline:
- other: DIN 4188
- GLP compliance:
- no
- Type of method:
- sieving
- Type of particle tested:
- primary particle
- Type of distribution:
- mass based distribution
- No.:
- #1
- Size:
- 125 µm
- Distribution:
- 2 %
- No.:
- #2
- Size:
- 250 µm
- Distribution:
- 66.4 %
- No.:
- #3
- Size:
- 500 µm
- Distribution:
- 27.2 %
- No.:
- #4
- Size:
- 710 µm
- Distribution:
- 3 %
- No.:
- #5
- Size:
- 1 000 µm
- Distribution:
- 1.2 %
- Conclusions:
- The largest share of particles of the test item had a size of 250 to 500 µm.
- Executive summary:
A test using a sieving machine was performed to determine the particle size of the test item. 50 g of the test item were weighted and placed on the top sieve in the sieving machine. Using a speed of 270 rpm the sieving process ran for 10 minutes. The weight of the machine and the sieves was determined before and after the test. The disfference in the mass of the sieves was the proportion of the test items particles at this sieve size. It was detemined that more than 66 % of the test items particles had a size of 250 µm, ca. 27 % have a size of 500 µm. Smaller proportions were equally distributed below 250 µm and above 500 µm.
Reference
About 66.4 % of the particles of the test item have a size of 250 µm, 27.2 % with 500 µm and the other percentage is equally distributed at 125 µm and at 710 and 1000 µm.
Mesh size |
Quantity in % |
1000 μm |
1.2 |
710 μm |
3.0 |
500 μm |
27.2 |
250 μm |
66.4 |
125 μm |
2.0 |
<125 μm |
0.0 |
Description of key information
The largest share of particles of the test item had a size of 250 to 500 µm.
Additional information
A test using a sieving machine was performed to determine the particle size of the test item. 50 g of the test item were weighted and placed on the top sieve in the sieving machine. Using a speed of 270 rpm the sieving process ran for 10 minutes. The weight of the machine and the sieves was determined before and after the test. The disfference in the mass of the sieves was the proportion of the test items particles at this sieve size. It was detemined that more than 66 % of the test items particles had a size of 250 µm, ca. 27 % have a size of 500 µm. Smaller proportions were equally distributed below 250 µm and above 500 µm.
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