Registration Dossier
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EC number: 700-579-6 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2010
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- other: SAV. 038: Medianwert-Bestimmung (PartikelgrÖssen-Verteilung)
- GLP compliance:
- no
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- tetrakis(4-{[4-(diethylamino)phenyl][4-(ethylamino)naphthalen-1-yl]methylidene}-N,N-diethylcyclohexa-2,5-dien-1-iminium) 2-(dodecan-5-yl)-4-(4-sulfonatophenoxy)benzene-1-sulfonate 2-(dodecan-5-yl)-4-[3-(dodecan-5-yl)-4-sulfonatophenoxy]benzene-1-sulfonate
- EC Number:
- 700-579-6
- Molecular formula:
- C90H114O7S2N6 (MW = 1454) and C102H138O7S2N6 (MW = 1622)
- IUPAC Name:
- tetrakis(4-{[4-(diethylamino)phenyl][4-(ethylamino)naphthalen-1-yl]methylidene}-N,N-diethylcyclohexa-2,5-dien-1-iminium) 2-(dodecan-5-yl)-4-(4-sulfonatophenoxy)benzene-1-sulfonate 2-(dodecan-5-yl)-4-[3-(dodecan-5-yl)-4-sulfonatophenoxy]benzene-1-sulfonate
- Test material form:
- solid: particulate/powder
Constituent 1
- Specific details on test material used for the study:
- - Batch N° 900501
Results and discussion
- Mass median aerodynamic diameter:
- < 100 µm
- Remarks on result:
- other: the MMDA is not calculated but is likely to be < 100 µm
Particle sizeopen allclose all
- Key result
- Percentile:
- D90
- Mean:
- 268.5 µm
- Remarks on result:
- other: St. dev not determined
- Key result
- Percentile:
- D50
- Mean:
- 69 µm
- Remarks on result:
- other: St. dev.not determined
- Key result
- Percentile:
- D10
- Mean:
- 8.7 µm
- Remarks on result:
- other: St. dev. not determined
Particle size distribution at different passages
- Remarks on result:
- other: not determined in this assay
Applicant's summary and conclusion
- Conclusions:
- The particles size distribution was determined by laser diffraction. 90% of the particles size were found to be below 268,5 µm; 50% below 69 µm and 10% below 8.7 µm. Therefore, MMAD is expected to be less than 100 µm.
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