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Diss Factsheets
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EC number: 221-618-9 | CAS number: 3164-29-2
- 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:
- 11-19-2015 to 11-19-2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187: Particle Size Analysis by Laser Diffraction
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Version / remarks:
- Adoptation 2009
- GLP compliance:
- no
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- other: Translucent particles of various size
- Type of distribution:
- volumetric distribution
- Percentile:
- D50
- Mean:
- 631.4 µm
- Remarks on result:
- other: 2 test series were run with L50=635.1 and L50=627.7 µm.
- Percentile:
- D10
- Mean:
- 241.2 µm
- Remarks on result:
- other: Individual results: D10=237.8 µm and D10=244.6 µm.
- Percentile:
- D90
- Mean:
- 1 296.6 µm
- Remarks on result:
- other: Individual results: D90= 1305.7 µm and D90=1287.6 µm
- No.:
- #1
- Size:
- < 10 µm
- Distribution:
- 0.01 %
- Remarks on result:
- other: In both experiments 0.01%
- No.:
- #2
- Size:
- < 50 µm
- Distribution:
- 0.77 %
- Remarks on result:
- other: Individual results distribution 0.83% and 0.71%
Reference
Monomodal distribution with a maximum observed at approximately 700µm. Particles with particle sizes > 1000 µm where observed because spherical particles only were sieved out. Non-spherical particles can pass the filter even if they have a maximum elongation > 1000 µm . Furthermore for these measured particle the measured values can vary because there is a dependency of the orientation of the particles in the laser beam.
The median particle size D50 of the test item deduced from the particle size distributions was 631.4 µm.
The particle size D10 of the test item deduced from the particle size distributions was 241.2 µm.
The particle size D90 of the test item deduced from the particle size distributions was 1296.6 µm. Very small proportion (0.01%) has a particle size diameter < 10 µm.
Description of key information
D10: 241.2 µm
D50: 631.4 µm
D90: 1296.6 µm
Particle size distribution is monomodal, maximum at 700 µm, 0.01% of all particles <1 µm, 0.77% of all particles < 10 µm.
(ISO13320, Particle size analysis - Laser Diffraction Methods)
Additional information
In a study for the substance diammonium tartrate particle size distribution was determined by laser diffraction technolgy.
The study was conducted similar to guidelines CIPAC MT 187 (Particle size analysis by laser diffraction) and ISO13320: (2009: Particle Size analysis -laser diffraction methods). Due to the broad particle size distribution particles bigger than 1000 µm were sieved out. The resulting particles (82% of all particles) showed a particle size distribution that is monomodal with a maximum at 700 µm particle size. Particles bigger than 1000 µm (10% of all sieved particles have a size >1296.6 µm) were observed in the laser beam because only spherical particles with diameter >1000 µm were sieved out. Non-spherical particles having maximum elongations > 1000 µm but with minimum elongations < 1000µm can pass the filter.
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