Registration Dossier
Registration Dossier
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EC number: 257-843-4 | CAS number: 52315-75-0
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
- Report date:
- 2014
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- 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) - 225 particles were measured for the diameter
- GLP compliance:
- yes
- Type of method:
- microscopic examination
- Type of distribution:
- counted distribution
Test material
- Reference substance name:
- N6-(1-oxododecyl)-L-lysine
- EC Number:
- 257-843-4
- EC Name:
- N6-(1-oxododecyl)-L-lysine
- Cas Number:
- 52315-75-0
- Molecular formula:
- C18H36N2O3
- IUPAC Name:
- N6-(1-oxododecyl)-L-lysine
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
Particle sizeopen allclose all
- 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:
- D10
- Mean:
- > 2.23 - < 2.25 µm
- Remarks on result:
- other: only median diameter reported
- Key result
- Percentile:
- D50
- Mean:
- > 12.58 - < 12.6 µm
- Remarks on result:
- other: only median diameter reported
- Key result
- Percentile:
- D90
- Mean:
- > 29.7 - < 29.72 µm
- Remarks on result:
- other: only median diameter reported
Any other information on results incl. tables
Number-weighted diameter of the test item: Geometric mean = 10.63; calculated aerodynamic diameter: 12.6 µm
Applicant's summary and conclusion
- Conclusions:
- Geometric mean: 10.63 µm; calculated aerodynamic diameter: 12.6 µm --> Small fraction of test item is respirable.
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