Registration Dossier
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EC number: 224-079-8 | CAS number: 4196-86-5
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:
- 12.02.2018 - 20.02.2018
- 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)
- Version / remarks:
- 1981
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Version / remarks:
- 2009
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- agglomerate
- Type of distribution:
- volumetric distribution
- Specific details on test material used for the study:
- Name: Pentaerythritol tetrabenzoate
Appearance: off-white solid
Composition: Pentaerythritol tetrabenzoate >96%
CAS No.: 4196-86-5
EINECS-No.: 224-079-8
Molecular formula: C33H28O8
Molecular weight: 552.576 g/mol
Purity: >96%
Homogeneity: homogeneous
Expiry date: Nov. 2018
Storage: Room Temperature (20 ± 5°C) - Mass median aerodynamic diameter:
- > 66.8 - <= 75.5 µm
- Geometric standard deviation:
- > 1.85 - <= 3.33
- Key result
- Percentile:
- D50
- Mean:
- 71.1 µm
- St. dev.:
- 4.35
- No.:
- #1
- Size:
- 6.3 µm
- Distribution:
- 10 %
- No.:
- #2
- Size:
- 71.1 µm
- Distribution:
- 50 %
- No.:
- #3
- Size:
- 316.1 µm
- Distribution:
- 90 %
- Conclusions:
- The fine fraction of Pentaerythritol tetrabenzoate has a median particle size of D50 = 71 µm.
- Executive summary:
The fine fraction of the test item Pentaerythritol tetrabenzoate has a median particle size of D50 = 71 µm, which was determined by laser diffraction measurement according to OECD Test Guideline 110 (1981), ISO 13320 (2009) and EPA OCSPP Guideline 830.7520 (1996).
Reference
Description of key information
The fine fraction of the test item Pentaerythritol tetrabenzoate has a median particle size of D50 = 71 µm, which was determined by laser diffraction measurement according to OECD Test Guideline 110 (1981), ISO 13320 (2009) and EPA OCSPP Guideline 830.7520 (1996).
Additional information
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