Registration Dossier
Registration Dossier
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EC number: 815-855-2 | CAS number: 440667-78-7
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)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- GLP compliance:
- no
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- ethyl (2S)-3-[3,5-diamino-4-(4-methoxyphenoxy)phenyl]-2-acetamidopropanoate
- Cas Number:
- 440667-78-7
- Molecular formula:
- C20H25N3O5
- IUPAC Name:
- ethyl (2S)-3-[3,5-diamino-4-(4-methoxyphenoxy)phenyl]-2-acetamidopropanoate
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Key result
- Percentile:
- D99
- Mean:
- 1 534.67 µm
- St. dev.:
- 22
- Remarks on result:
- other: St. dev. relative % to mean value
- Key result
- Percentile:
- D95
- Mean:
- 433.67 µm
- St. dev.:
- 43
- Remarks on result:
- other: St. dev. relative % to mean value
- Key result
- Percentile:
- D90
- Mean:
- 223.5 µm
- St. dev.:
- 27
- Remarks on result:
- other: St. dev. relative % to mean value
- Key result
- Percentile:
- D75
- Mean:
- 136.83 µm
- St. dev.:
- 14
- Remarks on result:
- other: St. dev. relative % to mean value
- Key result
- Percentile:
- D50
- Mean:
- 86.88 µm
- St. dev.:
- 9
- Remarks on result:
- other: St. dev. relative % to mean value
- Key result
- Percentile:
- D10
- Mean:
- 32.2 µm
- St. dev.:
- 6
- Remarks on result:
- other: St. dev. relative % to mean value
Applicant's summary and conclusion
- Conclusions:
- 6 independent measurements were performed. The average size (D50) of the substance particles was determined to be 86.9 µm
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