Registration Dossier
Registration Dossier
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EC number: - | 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)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 021
- Report date:
- 2021
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
Test material
- Reference substance name:
- Tricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene, 5,11,13,15-tetramethyl-
- Cas Number:
- 205825-52-1
- Molecular formula:
- C20H24
- IUPAC Name:
- Tricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene, 5,11,13,15-tetramethyl-
- Test material form:
- solid: particulate/powder
Constituent 1
- Specific details on test material used for the study:
- 4,7,12,15-Tetramethyl [2.2] paracyclophane:
Purity ≥98.5 % w/w
Batch no. 350321
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D10
- Mean:
- 144 µm
- Remarks on result:
- other: St.dev. not available
- Percentile:
- D50
- Mean:
- 290 µm
- Remarks on result:
- other: Std.dev. not available
- Percentile:
- D90
- Mean:
- 508 µm
- Remarks on result:
- other: Std.dev. not available
Applicant's summary and conclusion
- Conclusions:
- From the experimental data obtained according to CIPAC method MT 187 and OECD guideline
No. 110, it can be concluded that the test item sample presents the following particle size
distribution:
D10 144 um
D50 290 um
D90 508 um
Volume < 45 um: 2.42 %
Volume > 75 um: 95.79%
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