Registration Dossier
Registration Dossier
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EC number: 202-185-5 | CAS number: 92-74-0
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2008
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: reliable method (laser light scattering)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- Principles of method if other than guideline:
- Laser diffraction particle size measurement
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- 2'-ethoxy-3-hydroxy-2-naphthanilide
- EC Number:
- 202-185-5
- EC Name:
- 2'-ethoxy-3-hydroxy-2-naphthanilide
- Cas Number:
- 92-74-0
- Molecular formula:
- C19H17NO3
- IUPAC Name:
- N-(2-ethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide
- Reference substance name:
- Napthol AS-PH
- IUPAC Name:
- Napthol AS-PH
Constituent 1
Constituent 2
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- ca. 12.5 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D50
- Mean:
- 12.425 µm
- Percentile:
- D10
- Mean:
- 1.902 µm
- Percentile:
- D90
- Mean:
- 69.406
Any other information on results incl. tables
- concentration: 0.0009%Vol - specific surface area: 1.5 m2/g
Applicant's summary and conclusion
- Conclusions:
- The determined median diameter (D50) amounts to 12.425 µm.
- Executive summary:
Particle Size Distribution was measured by Laser Diffraction using a Malvern Mastersizer 2000, unit: Scirocco 2000 apparatus.
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