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: 911-553-0 | CAS number: -
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:
- 25.10.2017 - 10.11.2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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:
- EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- volumetric distribution
- Mass median aerodynamic diameter:
- 43.6 µm
- Geometric standard deviation:
- 0.64
- Key result
- Percentile:
- D50
- Mean:
- 43 µm
- St. dev.:
- 0.64
- Key result
- Percentile:
- D10
- Mean:
- 7.6 µm
- St. dev.:
- 0
- Key result
- Percentile:
- D90
- Mean:
- 169 µm
- St. dev.:
- 2.3
- Conclusions:
- The test item N-(hydroxymethyl) stearamide has a median particle size D(50) = 43 µm and a MMAD of 43,6 µm.
- Executive summary:
The test item N-(hydroxymethyl) stearamide has a median particle size D(50) = 43 µm, which was determined by laser diffraction measurement and a MMAD of 43,6 µm.
Reference
Description of key information
The particle size distribution is measured in an OECD 110 guideline study. The test item has a median particle size D(50) = 43 µm and a MMAD of 43.6 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.
