Registration Dossier
Registration Dossier
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EC number: 237-198-5 | CAS number: 13684-56-5
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2022-08-25 to 2022-09-27
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 022
- Report date:
- 2022
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Version / remarks:
- 2020
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC Handbook K Test MT 187
- Version / remarks:
- 2002
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
- Version / remarks:
- 1996
- GLP compliance:
- yes
- Type of method:
- Laser scattering/diffraction
- Remarks:
- Particle size distribution by laser light scattering (OECD 110)
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- Desmedipham
- EC Number:
- 237-198-5
- EC Name:
- Desmedipham
- Cas Number:
- 13684-56-5
- Molecular formula:
- C16 H16 N2 O4
- IUPAC Name:
- ethyl 3´-phenylcarbamoyloxycarbanilate
- Test material form:
- solid: particulate/powder
- Details on test material:
- The test material is Desmedipham.
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Key result
- Percentile:
- D10
- Mean:
- 7.7 µm
- Remarks on result:
- other: Average
- Key result
- Percentile:
- D50
- Mean:
- 188.6 µm
- Remarks on result:
- other: Average
- Key result
- Percentile:
- D90
- Mean:
- 445.2 µm
- Remarks on result:
- other: Average
- Percentile:
- D10
- Mean:
- 9.7 µm
- St. dev.:
- 0.6
- Remarks on result:
- other: Test series 1
- Percentile:
- D50
- Mean:
- 202.1 µm
- St. dev.:
- 2.3
- Remarks on result:
- other: Test series 1
- Percentile:
- D90
- Mean:
- 456.9 µm
- St. dev.:
- 1.1
- Remarks on result:
- other: Test series 1
- Percentile:
- D10
- Mean:
- 5.6 µm
- St. dev.:
- 1.1
- Remarks on result:
- other: Test series 2
- Percentile:
- D50
- Mean:
- 175.1 µm
- St. dev.:
- 6.2
- Remarks on result:
- other: Test series 2
- Percentile:
- D90
- Mean:
- 433.5 µm
- St. dev.:
- 1.5
- Remarks on result:
- other: Test series 2
Applicant's summary and conclusion
- Conclusions:
- The median particle size of the test item Desmedipham technical substance was determined by laser diffraction measurement to be 188.6 µm.
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