Registration Dossier
Registration Dossier
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EC number: 202-086-7 | CAS number: 91-64-5
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2012
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 2926:2005
- Principles of method if other than guideline:
- Aluminium oxide used for the production of primary aluminium - Particle size analysis for the range 45μm to 150μm - Method using electroformed sieves
- GLP compliance:
- no
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- Coumarin
- EC Number:
- 202-086-7
- EC Name:
- Coumarin
- Cas Number:
- 91-64-5
- Molecular formula:
- C9H6O2
- IUPAC Name:
- 2H-chromen-2-one
- Test material form:
- solid: crystalline
Constituent 1
Results and discussion
Particle size
- Percentile:
- D50
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- > 2 mm
- Distribution:
- ca. 4.34 %
- No.:
- #2
- Size:
- >= 1.7 - < 2 mm
- Distribution:
- ca. 2.38 %
- No.:
- #3
- Size:
- >= 1.18 - < 1.7 mm
- Distribution:
- ca. 35.08 %
- No.:
- #4
- Size:
- >= 0.85 - < 1.18 mm
- Distribution:
- ca. 19.64 %
- No.:
- #5
- Size:
- >= 425 - < 850 µm
- Distribution:
- ca. 25.76 %
- No.:
- #6
- Size:
- >= 250 - < 425 µm
- Distribution:
- ca. 6.92 %
- No.:
- #7
- Size:
- < 250 µm
- Distribution:
- ca. 5.68 %
Applicant's summary and conclusion
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.
