Registration Dossier
Registration Dossier
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EC number: 264-719-3 | CAS number: 64173-96-2
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:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- 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:
- Sodium 3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulphonate
- EC Number:
- 264-719-3
- EC Name:
- Sodium 3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulphonate
- Cas Number:
- 64173-96-2
- Molecular formula:
- C10H6N2O4S.Na
- IUPAC Name:
- sodium 3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulphonate
- Test material form:
- solid
Constituent 1
Results and discussion
- Remarks on result:
- other: polymodal distribution with two maxima at 40 and 250 micrometer
Particle sizeopen allclose all
- Key result
- Percentile:
- D50
- Mean:
- ca. 226.6 µm
- Remarks on result:
- other: no SD indicated
- Key result
- Percentile:
- D10
- Mean:
- ca. 68.5 µm
- Remarks on result:
- other: no SD indicated
- Key result
- Percentile:
- D90
- Mean:
- ca. 388.1 µm
- Remarks on result:
- other: no SD indicated
Applicant's summary and conclusion
- Conclusions:
- The median particle size L50 fo the test item decuded from the particle size distributions was 226.6 micrometer.
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