Registration Dossier
Registration Dossier
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EC number: 413-610-0 | CAS number: 124172-53-8 LICHTSCHUTZMITTEL 1736
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Test procedure in accordance with generally accepted scientific standards and described in sufficient detail; however, no GLP-study
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 014
- Report date:
- 2014
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Deviations:
- not applicable
- Principles of method if other than guideline:
- The particle size distribution is analysed by laser scattering analysis. Laser light interacts with the particles causing diffraction, refraction and absorption, thus producing a characteristic pattern of scattered light. If the particle size is significantly higher than the wavelength of the laser light predominantly diffraction patterns are produced. The principles of measurement are based on the Mie scattering theory and Fourier transformation of light.
- GLP compliance:
- no
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- N,N'-1,6-hexanediylbis(N-(2,2,6,6-tetramethyl-piperidin-4-yl)formamide
- EC Number:
- 413-610-0
- EC Name:
- N,N'-1,6-hexanediylbis(N-(2,2,6,6-tetramethyl-piperidin-4-yl)formamide
- Cas Number:
- 124172-53-8
- Molecular formula:
- C26H50N4O2
- IUPAC Name:
- N-(2,2,6,6-tetramethylpiperidin-4-yl)-N-{6-[N-(2,2,6,6-tetramethylpiperidin-4-yl)formamido]hexyl}formamide
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- 26.56 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D10
- Mean:
- 3.561 µm
- Percentile:
- D50
- Mean:
- 26.56 µm
- Percentile:
- D90
- Mean:
- 101 µm
Any other information on results incl. tables
Obscuration: 4.89 %
Residual: 1.664 %
Specific surface area: 222.5 m2/kg
Span: 3.668
Most frequent appearance D: 116 µm
D100: 288.7 µm
Applicant's summary and conclusion
- Conclusions:
- D10 = 3.56 μm
D50 = 26.56 μm= mass median diameter (MMD)
D90 = 101.00 μm
D100 = 288.7 μm
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