Registration Dossier
Registration Dossier
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EC number: 219-706-7 | CAS number: 2503-56-2
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 7-12-2017 to 12-12-2017
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- GLP compliance:
- no
- Other quality assurance:
- other: ISO9001
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- aggregate
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- 5-methyl-s-triazolo[1,5-a]pyrimidin-7-ol
- EC Number:
- 219-706-7
- EC Name:
- 5-methyl-s-triazolo[1,5-a]pyrimidin-7-ol
- Cas Number:
- 2503-56-2
- Molecular formula:
- C6H6N4O
- IUPAC Name:
- 5-methyl-s-triazolo[1,5-a]pyrimidin-7-ol
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
- Mass median aerodynamic diameter:
- ca. 106.3 µm
- Geometric standard deviation:
- ca. 102
Particle size
- Key result
- Percentile:
- D90
- Mean:
- < 316 µm
- St. dev.:
- 102
Any other information on results incl. tables
| PA_NR | PRNM | PRNR | VMN | VMD | D90 | CV % | Date |
| PA075495 -001 | CH01210 | RI | 145 | 106 | 316 | 102% | 7/12/2017 |
VMN= volume mean - mean of all particles
VMD= volume median - 50% of the particles is < of > …..µm
D90= 90% of the particles is < …µm
CV= variation coefficient – calculated by dividing the standard deviation by the VMN
Applicant's summary and conclusion
- Conclusions:
- D90 is 316
D90= 90% of the particles is < …µm
- Executive summary:
PA_NR PRNM PRNR VMN VMD D90 CV % Date PA075495 -001 CH01210 RI 145 106 316 102% 7/12/2017 VMN= volume mean - mean of all particles
VMD= volume median - 50% of the particles is < of > …..µm
D90= 90% of the particles is < …µm
CV= variation coefficient – calculated by dividing the standard deviation by the VMN
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