Registration Dossier
Registration Dossier
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EC number: 271-487-7 | CAS number: 68564-88-5
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 020
- Report date:
- 2020
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- other: CIPAC MT 187
- Principles of method if other than guideline:
- The analyser provides a graph and the percentage of particles by range of sizes. The median and the mean values are calculated by the analyser. The wet dispersion method is used.
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- other: powder
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- 11-(heptylamino)undecanoic acid
- EC Number:
- 271-487-7
- EC Name:
- 11-(heptylamino)undecanoic acid
- Cas Number:
- 68564-88-5
- Molecular formula:
- C18H37NO2
- IUPAC Name:
- 11-(heptylamino)undecanoic acid
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
- Mass median aerodynamic diameter:
- > 0.523 - < 859 µm
Particle sizeopen allclose all
- Key result
- Percentile:
- D10
- Mean:
- 28.1 µm
- St. dev.:
- 0.955
- Key result
- Percentile:
- D50
- Mean:
- 132 µm
- St. dev.:
- 4.26
- Percentile:
- D90
- Mean:
- 392 µm
- St. dev.:
- 16.9
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- 28.1 µm
- Distribution:
- 10 %
- No.:
- #2
- Size:
- 132 µm
- Distribution:
- 50 %
- No.:
- #3
- Size:
- 392 µm
- Distribution:
- 90 %
Applicant's summary and conclusion
- Conclusions:
- The particle size distribution of the test item was found to range approximately 0.523 µm to 859 µm.
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