Registration Dossier
Registration Dossier
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EC number: 204-699-5 | CAS number: 124-41-4
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:
- 2003
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Deviations:
- yes
- Remarks:
- particle size dry powder module
- Principles of method if other than guideline:
- Coulter LS Particle size distribution
Optical system
LS 100 dry powder module
time: 30 s
vacuum step 7 rota 8 - GLP compliance:
- no
- Type of method:
- Laser scattering/diffraction
- Remarks:
- Dry Powder Module
- Type of distribution:
- volumetric distribution
- Percentile:
- other: Average particle size
- Mean:
- 77.63 µm
- Remarks on result:
- other: Standard deviation in µm
- Remarks:
- 34.67 µm
- Percentile:
- other: D5
- Mean:
- 147.2 µm
- Remarks on result:
- other: Standard deviation not determined
- Percentile:
- D10
- Mean:
- 128.7 µm
- Remarks on result:
- other: Standard deviation not determined
- Percentile:
- D50
- Mean:
- 70.3 µm
- Remarks on result:
- other: Standard deviation not determined
- Percentile:
- D90
- Mean:
- 40.43 µm
- Remarks on result:
- other: Standard deviation not determined
- Percentile:
- D95
- Mean:
- 34.11 µm
- Remarks on result:
- other: Standard deviation not determined
Reference
< 2 micrometer: 0 Vol%
> 200 micrometer: 0 Vol%
Description of key information
D50: 70.3 µm
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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