Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 228-779-4 | CAS number: 6358-57-2
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:
- September 04th, 2017
- 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:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Version / remarks:
- 1981
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187: Particle Size Analysis by Laser Diffraction
- Version / remarks:
- 2009
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Percentile:
- D10
- Mean:
- 6.7 µm
- Remarks on result:
- other: average of two measurements
- Percentile:
- D50
- Mean:
- 52.1 µm
- Remarks on result:
- other: average of two measurements
- Percentile:
- D90
- Mean:
- 178.5 µm
- Remarks on result:
- other: average of two measurements
- Conclusions:
- D50: 52.1 µm
- Executive summary:
The particle size distribution was determined by laser diffraction measurement. The analysis has been performed according to the testing procedures described in the following guidelines: OECD 110, CIPAC MT 187 and ISO 13320.
Conclusion
The median particle size D50 of the test item resulted to be 52.1 µm
Reference
Test series 1
D10: 6.7 µm
D50: 51.9 µm
D90: 178.0 µm
Test series 2
D10: 6.7 µm
D50: 52.3 µm
D90: 178.9 µm
Description of key information
D50: 52.1 µm
Additional information
OECD 110, CIPAC MT 187, ISO 13320 - laser diffraction measurement
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
