Registration Dossier
Registration Dossier
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EC number: 234-961-4 | CAS number: 12045-63-5
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2007
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: In-house study performed according to OECD guidelines.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 007
- Report date:
- 2007
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- determination of fibre length and diameter distributions
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- Titanium diboride
- EC Number:
- 234-961-4
- EC Name:
- Titanium diboride
- Cas Number:
- 12045-63-5
- Molecular formula:
- B2Ti
- IUPAC Name:
- titanium diboride
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Titanium diboride Batch No. 703M1, sponsored by ESK Ceramics GmbH & Co. KG
Purity see section 1.4
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- 1.8 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- other: D6
- Mean:
- 0.1 µm
- St. dev.:
- 0.002
- Percentile:
- D50
- Mean:
- 1.8 µm
- St. dev.:
- 0.036
- Percentile:
- other: D97
- Mean:
- 5 µm
- St. dev.:
- 0.1
Applicant's summary and conclusion
- Conclusions:
- The medium particle size of a typical technical grade titanium diboride powder is appr. 1.8 µm, the D97 is appr. 5 µm.
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