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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 605-404-6 | CAS number: 16535-55-0
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Version / remarks:
- 2009
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: • CIPAC MT 187: Particle Size Analysis by Laser Diffraction, Handbook K
- Version / remarks:
- 2007
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- (2,4-dioxo-1,3-benzoxazin-7-yl) ethyl carbonate
- EC Number:
- 605-404-6
- Cas Number:
- 16535-55-0
- Molecular formula:
- C11 H9 N O6
- IUPAC Name:
- (2,4-dioxo-1,3-benzoxazin-7-yl) ethyl carbonate
- Test material form:
- solid: particulate/powder
- Details on test material:
- Off-white crystalline powder
Constituent 1
Results and discussion
- Mass median aerodynamic diameter:
- 183 µm
- Geometric standard deviation:
- >= 1.591 - <= 1.636
Particle sizeopen allclose all
- Percentile:
- D10
- Mean:
- 78.6 µm
- St. dev.:
- 1.46
- Percentile:
- D50
- Mean:
- 149 µm
- St. dev.:
- 3.44
- Percentile:
- D90
- Mean:
- 264 µm
- St. dev.:
- 11.8
- Percentile:
- other: mode
- Mean:
- 155 µm
- St. dev.:
- 2.48
- Percentile:
- other: Volume weighted mean
- Mean:
- 161 µm
- St. dev.:
- 5.26
Applicant's summary and conclusion
- Conclusions:
- The particle size distribution of the test item was determined by means of Laser Diffraction Analysis using the medium volume (wet) module (MVM). PEG 300 was used as the dispersant in the analysis.
The D50 of the test item was determined to be 149 µm, the D10 was 78.6 µm and the D90 was 264 µm. The MMAD of the test item was calculated to be 183 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.
