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Physical & Chemical properties

Particle size distribution (Granulometry)

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Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2011
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The reliability is rated 2 because the study is well documented and meets generally accepted scientific principles. The results were reviewed for reliability and assessed as valid.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report date:
2011

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: SAV. 038: Medianwert-Bestimmung (PartikelgrÖssen-Verteilung)
Principles of method if other than guideline:
Laser diffraction on particles placed in a suspension
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Bis and tris and tetra (4-{bis[4-(dimethylamino)phenyl]methylene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium) [12,21-dihydro-29H,31H-phthalocyanine-bis and tris and tetrasulfonato-k4N29,N30,N31,N32]cuprate
EC Number:
700-615-0
Molecular formula:
BIS: C82H74N14CuS2O6 TRIS: C107H103N17CuS3O9 TETRA: C132H132N20CuS4O12
IUPAC Name:
Bis and tris and tetra (4-{bis[4-(dimethylamino)phenyl]methylene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium) [12,21-dihydro-29H,31H-phthalocyanine-bis and tris and tetrasulfonato-k4N29,N30,N31,N32]cuprate
Details on test material:
- Name of test material (as cited in study report): Sepisol Fast Violet 3B
- Substance type: organocopper
- Appearance/Physical state: solid dark violet powder
- Lot/batch No.:028942
- Stability under test conditions:stable
- Storage condition of test material: at ambient temperature

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Remarks on result:
other: not calculated but MMAD is likely to be less than 100 µm(migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
Percentile:
D90
Mean:
223.5 µm
Percentile:
D50
Mean:
77.39 µm
Percentile:
D10
Mean:
11.1 µm
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 has been determined by laser diffraction. 90% of the particles size stands below 233.5 µm; 50% below 77.39 µm and 10% below 11.1 µm. MMAD is expected to be less than 100 µm.