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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14 Jul 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guidelineopen allclose all
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:
adopted in 1981
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
Version / remarks:
adopted in 1996
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
adopted in 2009
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Hess. Ministerium für Umwelt, Energie, Landwirtschaft und Verbraucherschutz, Wiesbaden, Germany
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
3,5-di-tert-butyl-4-hydroxybenzyl alcohol
EC Number:
201-815-6
EC Name:
3,5-di-tert-butyl-4-hydroxybenzyl alcohol
Cas Number:
88-26-6
Molecular formula:
C15H24O2
IUPAC Name:
2,6-Di-tert-butyl-4-(hydroxymethyl)phenol
Specific details on test material used for the study:
Storage conditions: Ambient temperature (< 40 °C), keep container tightly closed, protected from sunlight

Results and discussion

Particle sizeopen allclose all
Percentile:
D10
Mean:
9.88 µm
Remarks on result:
other: No St. dev. given in study report
Percentile:
D50
Mean:
81.4 µm
Remarks on result:
other: No St. dev. given in study report
Percentile:
D90
Mean:
330.4 µm
Remarks on result:
other: No St. dev. given in study report

Any other information on results incl. tables

Results
Test series 1
D10: 9.99 µm
D50: 82.2 µm
D90: 331.6 µm

Test series 2
D10: 9.77 µm
D50: 80.5 µm
D90: 329.1 µm

Average
D10: 9.88 µm
D50: 81.4 µm
D90: 330.4 µm

Conclusion: The test item has a median particle size D50 = 81 µm.

Applicant's summary and conclusion