Registration Dossier
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EC number: 283-381-8 | CAS number: 84604-96-6
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)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Version / remarks:
- ISO 13320 -1 (2009)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Deviations:
- not specified
- GLP compliance:
- yes (incl. QA statement)
- Other quality assurance:
- other: QA unit
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- other: wet small volume dispersion system used, several solvents tried to maximise dispersability
- Remarks:
- Silicone oil was selected as most suitable dispersant with minimum solubility
- Type of distribution:
- counted distribution
Test material
- Reference substance name:
- Bis[bis(3,5,5-trimethylhexyl)dithiocarbamate-S,S']zinc
- EC Number:
- 283-381-8
- EC Name:
- Bis[bis(3,5,5-trimethylhexyl)dithiocarbamate-S,S']zinc
- Cas Number:
- 84604-96-6
- Molecular formula:
- C38H76N2S4Zn
- IUPAC Name:
- bis({[bis(3,5,5-trimethylhexyl)carbamothioyl]sulfanyl})zinc
- Test material form:
- solid: particulate/powder
Constituent 1
- Specific details on test material used for the study:
- BN 204873134010
Expiry - Aug 2015
White fine powder
Visual assessment
sample observed to be a fine white powder with clusters
At 400 x magnification under microscope, sample was made up of crystalline particles
Results and discussion
- Mass median aerodynamic diameter:
- ca. 25.55 µm
- Geometric standard deviation:
- ca. 2.2
Particle sizeopen allclose all
- Key result
- Percentile:
- D50
- Mean:
- < 25.55 µm
- St. dev.:
- 0.111
- Remarks on result:
- other: Std deviation of population
- Key result
- Percentile:
- D90
- Mean:
- < 51.78 µm
- St. dev.:
- 0.31
- Remarks on result:
- other: std devation of population
- Key result
- Percentile:
- D10
- Mean:
- < 7.43 µm
- St. dev.:
- 0.11
- Remarks on result:
- other: standard deviation of the population
Applicant's summary and conclusion
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