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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 274-417-3 | CAS number: 70210-20-7
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:
- 24 October - 9 November 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187: Particle Size Analysis by Laser Diffraction
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: RR-24-001
- Expiration date of the lot/batch: July 01, 2022
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: ambient temperature (10°C to 30°C), dry, protected from light - Mass median aerodynamic diameter:
- 31.8 µm
- Percentile:
- D10
- Mean:
- 7.6 µm
- Remarks on result:
- other: st.dev. not provided
- Percentile:
- D90
- Mean:
- 102.4 µm
- Remarks on result:
- other: st.dev. not provided
- Conclusions:
- The median particle size D50, i.e. MMAD, of the test item deduced from the particle size distributions was 31.8 µm.
- Executive summary:
The median particle size D50, i.e. MMAD, of the test item deduced from the particle size distributions was 31.8 µm.
The particle size D10 of the test item deduced from the particle size distributions was 7.6 µm.
The particle size D90 of the test item deduced from the particle size distributions was 102.4 µm.
Reference
The test item consisted of spherical, dark violet, and slightly transparent particles. The particle size distribution showed a polymodal distribution with a small shoulder at approx. 1 µm. The maximum was observed at approximately 30 µm.
For spherical, non-porous particles of unit density D50 is the same as the Mass Median Aerodynamic Diameter (MMAD).
Description of key information
The median particle size D50, i.e. MMAD, of the test item deduced from the particle size distributions was 31.8 µm.
Additional information
The median particle size D50, i.e. MMAD, of the test item deduced from the particle size distributions was 31.8 µm.
The particle size D10 of the test item deduced from the particle size distributions was 7.6 µm.
The particle size D90 of the test item deduced from the particle size distributions was 102.4 µm.
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.
