Registration Dossier
Registration Dossier
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EC number: 274-977-9 | CAS number: 70880-03-4
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- volumetric distribution
- Mass median aerodynamic diameter:
- 55.5 µm
- Percentile:
- D10
- Mean:
- 26.1 µm
- St. dev.:
- 1.9
- Key result
- Percentile:
- D50
- Mean:
- 55.5 µm
- St. dev.:
- 3
- Percentile:
- D90
- Mean:
- 93 µm
- St. dev.:
- 4.5
- Conclusions:
- Particle size distribution of test substance, Reactive Violet 1, is characterized by the following:Median: 55.5 µmDiameter on Cumulative 90%: 93.0 µmDiameter on Cumulative 10%: 26.1 µm
- Executive summary:
The particle size distribution of the test substance, Reactive Violet 1 was determined. The laser diffraction method was used. The procedures used in the study were in accordance with:
Guidance Document on the Determination of Particle Size Distribution, Fibre Length and Diameter Distribution of Chemical Substances, EUR 20268 EN (2002). Standard ISO 13320: 2009 Particle size analysis – Laser diffraction methods, First edition 2009-10-01.
Particle size distribution of test substance, Reactive Violet 1, is characterized by the following:
Median: 55.5 µm
Diameter on Cumulative 90%: 93.0 µm
Diameter on Cumulative 10%: 26.1 µm
Reference
Table No. 1: Results of determination of particle size distribution
Determination | Median (µm) | Diameter on Cumulative 90% (µm) | Diameter on Cumulative 10% (µm) |
1 | 55.4 | 93.7 | 25.3 |
2 | 51.3 | 88.0 | 23.2 |
3 | 54.1 | 91.2 | 23.3 |
4 | 58.6 | 99.0 | 26.8 |
5 | 57.8 | 97.4 | 26.9 |
Average | 55.5 | 93.0 | 26.1 |
Standard deviation | 3.0 | 4.5 | 1.9 |
Description of key information
Particle size distribution of test substance, Reactive Violet 1, is characterized by the following:
Median: 55.5 µm
Diameter on Cumulative 90%: 93.0 µm
Diameter on Cumulative 10%: 26.1 µm
Additional information
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