Registration Dossier
Registration Dossier
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EC number: 942-063-5 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
- Report date:
- 2014
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Fraunhofer ITEM procedure (SEM; size distribution analysis)
- Version / remarks:
- SEM analysis done
- Deviations:
- no
- Principles of method if other than guideline:
- Light microscopy measurement (digital microscope consisting of the main unit VHX-1000 D, the camera unit VHX-1100 and a zoom objective VH-Z250R; Keyence Corp., Osaka, Japan) - 148 particles were measured for the diameter
- GLP compliance:
- yes
- Type of method:
- other: SEM
- Remarks:
- none
- Type of distribution:
- counted distribution
Test material
- Reference substance name:
- Fatty acids, coco derivs. II, reaction products with glycine, potassium salts
- EC Number:
- 942-063-5
- Molecular formula:
- R-CO-NH-CH2-COOK (Note: "R-CO-" is a fatty acid residue)
- IUPAC Name:
- Fatty acids, coco derivs. II, reaction products with glycine, potassium salts
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: particulates
Constituent 1
Results and discussion
- Remarks on result:
- other: D10: 3.15 µm
Particle sizeopen allclose all
- Key result
- Percentile:
- D50
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Key result
- Percentile:
- D50
- Mean:
- > 9.68 - < 9.7 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Remarks:
- none
- Key result
- Percentile:
- D90
- Mean:
- > 29.51 - < 29.53 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Remarks:
- none
Particle size distribution at different passages
- Remarks on result:
- other: see 'Particle size'
- Remarks:
- SEM method (Fraunhofer ITEM); see 'Any other information on results' below
Any other information on results incl. tables
Number-weighted diameter of the test item: Geometric mean = 9.50; calculated aerodynamic diameter: 10.2 µm
Applicant's summary and conclusion
- Conclusions:
- Geometric mean: 9.50 µm; calculated aerodynamic diameter: 10.2 µm --> Test item is practically not respirable.
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