Registration Dossier
Registration Dossier
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 266-096-3 | CAS number: 66063-05-6
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:
- 2022-10-25 to 2022-10-25
- 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)
- Version / remarks:
- 2020
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Version / remarks:
- 1981
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC Handbook K Test MT 187
- Version / remarks:
- 2002
- Deviations:
- no
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
- Version / remarks:
- 1996
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- Laser scattering/diffraction
- Remarks:
- The particle size distribution is determined using laser diffraction.
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Key result
- Percentile:
- D10
- Mean:
- 3.2 µm
- Remarks on result:
- other: Average
- Key result
- Percentile:
- D50
- Mean:
- 10.4 µm
- Remarks on result:
- other: Average
- Key result
- Percentile:
- D90
- Mean:
- 22.3 µm
- Remarks on result:
- other: Average
- Percentile:
- D10
- Mean:
- 3.1 µm
- St. dev.:
- 0.1
- Remarks on result:
- other: Test series 1
- Percentile:
- D50
- Mean:
- 10.2 µm
- St. dev.:
- 0.1
- Remarks on result:
- other: Test series 1
- Percentile:
- D90
- Mean:
- 21.7 µm
- St. dev.:
- 0.2
- Remarks on result:
- other: Test series 1
- Percentile:
- D10
- Mean:
- 3.3 µm
- St. dev.:
- 0.1
- Remarks on result:
- other: Test series 2
- Percentile:
- D50
- Mean:
- 10.6 µm
- St. dev.:
- 0.1
- Remarks on result:
- other: Test series 2
- Percentile:
- D90
- Mean:
- 22.8 µm
- St. dev.:
- 0.2
- Remarks on result:
- other: Test series 2
- Conclusions:
- The particle size of the test item Pencycuron Technical was determined by laser diffraction measurement to be:
D10 = 3.2 µm
D50 = 10.4 µm
D90 = 22.3 µm - Executive summary:
According to ISO 13320 (2020), OECD Test Guideline 110 (1981) and CIPAC Handbook K Test MT 187 the particle size of the test item Pencycuron Technical was determined by laser diffraction measurement to be:
D10 = 3.2 µm
D50 = 10.4 µm
D90 = 22.3 µm
Reference
Description of key information
The particle size D50 of the test substance is 10.4 µm.
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
