Registration Dossier
Registration Dossier
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Reaction mass of 6-(2-ethyl-6-methylanilino)-5-(4-{4-[ethyl(3-sulfobenzyl) amino] phenylazo} phenylazo)-4-hydroxynaphthalene-2-sulfonic acid, sodium and/or disodium salt(s) and 6-(2-ethyl-6-methylanilino)-5-(4-{4-[ethyl(4-sulfobenzyl) amino] phenylazo} phenylazo)-4-hydroxynaphthalene-2-sulfonic acid, sodium and/or disodium salt(s)
EC number: 475-080-7 | CAS number: -
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:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
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:
- other: part 5.2 Laser scattering/diffraction method
- Version / remarks:
- ECB/TM/February 1996
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
Test material
- Reference substance name:
- Acid Navy RN-2682
- IUPAC Name:
- Acid Navy RN-2682
- Test material form:
- solid
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- < 11.4 µm
- Remarks on result:
- other: ultrasonication for 5 min.
- Percentile:
- D10
- Mean:
- < 3.7 µm
- Remarks on result:
- other: ultrasonication for 5 min.
- Percentile:
- D90
- Mean:
- < 31.3 µm
- Remarks on result:
- other: ultrasonication for 5 min.
Any other information on results incl. tables
The particle size distribution was found to range from ca. 0.5 to 70 µm.
Particle size distribution:
< 2.7 µm: 5 %
Applicant's summary and conclusion
- Conclusions:
- MMD is 11.4 µm.
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