Registration Dossier
Registration Dossier
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EC number: 254-935-6 | CAS number: 40470-68-6
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Version / remarks:
- ISO 13320:2009 “Perticle size analysis - Laser diffraction methods”
- Deviations:
- not specified
- GLP compliance:
- yes
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- volumetric distribution
- Key result
- Percentile:
- D50
- Mean:
- ca. 103.6 µm
- Remarks on result:
- other: no data on St. dev.
- Key result
- Percentile:
- D10
- Mean:
- ca. 44.13 µm
- Remarks on result:
- other: no data on St. dev.
- Key result
- Percentile:
- D25
- Mean:
- ca. 69.7 µm
- Remarks on result:
- other: no data on St. dev.
- Key result
- Percentile:
- D75
- Mean:
- ca. 139.4 µm
- Remarks on result:
- other: no data on St. dev.
- Key result
- Percentile:
- D90
- Mean:
- ca. 168.52 µm
- Remarks on result:
- other: no data on St. dev.
- Conclusions:
- The particle size of test substance was determined to be D10=44.13µm, D25=69.7µm, D50=103.60µm, D75=139.40µm, D90=168.52µm.
- Executive summary:
In this study, conducted to nationally recognised standards (ISO 13320 : 2009) with GLP certificaiton, the mean particle size of the test material (EC 254-935-6) was determined to be 103.60 µm (D50).
Reference
Average particle size
| Symbol | Result | |
| Average particle size in surface area | D(3,2) | 69.18 µm |
| Average particle size in volume | D(4,3) | 94.57 µm |
Description of key information
Study carried out according to national testing standards and with GLP compliance.
Additional information
MMD= 103.60µm. The measurement was carried out by laser diffraction according to ISO 13320 : 2009.
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