Registration Dossier
Registration Dossier
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EC number: 700-924-0 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- disodium 4-hydroxy-3-[(E)-2-[4-({4-[(E)-2-(1-hydroxy-4-sulfonaphthalen-2-yl)diazen-1-yl]-3-methoxyphenyl}(phenyl)methyl)-2-methoxyphenyl]diazen-1-yl]naphthalene-1-sulfonate
- EC Number:
- 700-924-0
- Molecular formula:
- C41H30N4Na2O10S2
- IUPAC Name:
- disodium 4-hydroxy-3-[(E)-2-[4-({4-[(E)-2-(1-hydroxy-4-sulfonaphthalen-2-yl)diazen-1-yl]-3-methoxyphenyl}(phenyl)methyl)-2-methoxyphenyl]diazen-1-yl]naphthalene-1-sulfonate
Constituent 1
Results and discussion
- Mass median aerodynamic diameter:
- 419
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- 419 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D10
- Mean:
- 9.9 µm
- St. dev.:
- 0.047
- Percentile:
- D90
- Mean:
- 1 194
- St. dev.:
- 4.78
- Percentile:
- D50
- Mean:
- 419 µm
- St. dev.:
- 5.39
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- >= 0 - < 0.258 µm
- Distribution:
- 0 %
- No.:
- #2
- Size:
- > 0.258 - < 6.661 µm
- Distribution:
- 5.91 %
- No.:
- #3
- Size:
- >= 6.661 - <= 171.912 µm
- Distribution:
- 23.32 %
- No.:
- #4
- Size:
- > 171 - 2 500 µm
- Distribution:
- 66.55 %
Applicant's summary and conclusion
- Conclusions:
- The test item Acid Red RN 2949 has a median particle size L50 = 419μm, which was determined by laser diffraction measurement.
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