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Registration Dossier
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EC number: 201-901-3 | CAS number: 89-36-1
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Laser diffraction is the well experienced standard operating procedure for solids to determine particle size distribution
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:
- other: ISO 13320-1
- Principles of method if other than guideline:
- Laser diffraction particle sizing
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- 4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzene-1-sulfonic acid
- EC Number:
- 201-901-3
- Cas Number:
- 89-36-1
- Molecular formula:
- C10H10N2O4S
- IUPAC Name:
- 4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzene-1-sulfonic acid
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- 23.948 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D50
- Mean:
- 23.948 µm
- St. dev.:
- 3.1
Any other information on results incl. tables
Given standard deviation is based on the general experience with the method. The estimated value is a typical standard deviation:
D50: 13 % of D50 (minimum value 0.1 µm)
Applicant's summary and conclusion
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