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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 941-814-4 | CAS number: 157367-45-8
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- January 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Well documented guideline study
Cross-reference
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
- Report date:
- 2014
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
- Deviations:
- no
- Principles of method if other than guideline:
- Not relevant
- GLP compliance:
- no
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- 308 AQN
- IUPAC Name:
- 308 AQN
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- 2.2 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D10
- Mean:
- 0.7 µm
- St. dev.:
- 0
- Percentile:
- D50
- Mean:
- 2.2 µm
- St. dev.:
- 0.05
- Percentile:
- D90
- Mean:
- 12.5 µm
- St. dev.:
- 0.87
Any other information on results incl. tables
The particle size distribution showed a polymodal distribution with a shoulder and two distinctive
maxima. The shoulder was observed at approximately 50 μm. The first maximum was observed at
approximately 2 μm and second at approximately 200 μm.
Applicant's summary and conclusion
- Conclusions:
- The median particle size L50 of the test item deduced from the particle size distributions is 2.2 um.
The particle size L10 of the test item deduced from the particle size distributions is 0.7 um.
The particle size L90 of the test item deduced from the particle size distributions is 12.5 um. - Executive summary:
The purpose of this study was the determination of the particle size distribution by laser diffraction of the
test items. The study was performed according to the European Commission Regulation (EC) No.
440/2008 and under consideration of the following guideline: OECD 110 (1981): Particle Size Distribution.
The median particle size L50 of the test item deduced from the particle size distributions is 2.2 um.
The particle size L10 of the test item deduced from the particle size distributions is 0.7 um.
The particle size L90 of the test item deduced from the particle size distributions is 12.5 um.
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.
