Registration Dossier
Registration Dossier
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EC number: 429-300-3 | CAS number: 155601-30-2 PYRAZOL P5; PYRAZOLE DHE
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:
- other: GLP Lab and determination with two systems
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
Materials and methods
- Principles of method if other than guideline:
- Helios laser particle size detector and Rodos diffraction with dry dispersing system
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- certified Lab using two methods
- Type of distribution:
- counted distribution
Test material
- Reference substance name:
- 1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate
- EC Number:
- 429-300-3
- EC Name:
- 1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate
- Cas Number:
- 155601-30-2
- Molecular formula:
- C5H12N4O5S
- IUPAC Name:
- 2-(4,5-diamino-1H-pyrazol-1-yl)ethan-1-ol; sulfuric acid
- Details on test material:
- Charge GST7-18099
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- >= 250 - < 260 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D10
- Mean:
- 42.48 µm
- Percentile:
- D50
- Mean:
- 255.44 µm
- Percentile:
- D90
- Mean:
- 502.1 µm
Any other information on results incl. tables
Results
Focus-range 500 mm |
1. Measurement |
2. Measurement |
Average |
X10 |
42.58 µm |
42.37 µm |
42.48 µm |
X50 |
265.19 µm |
245.68 µm |
255.44 µm |
X90 |
504.65 µm |
499.56 µm |
502.11 µm |
Applicant's summary and conclusion
- Conclusions:
- The particle size was determinated between 42.37 and 504.65 µm
- Executive summary:
The Particle Size Distribution of the test substance Pyrazole DHE was measured 2 times by Helios laser diffraction with dry dispersing system Rodos. The average of 2 measurements are:
X10: 42.48 µm
X50: 255.44 µm
X90 502.1 µm
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