Registration Dossier

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Microtrac S3500-Turbotrac (Laser difraction method)

Test material

Constituent 1
Chemical structure
Reference substance name:
1,7-bis(4-hydroxy-3-methoxyphenyl)heptane-3,5-dione
Cas Number:
36062-04-1
Molecular formula:
C21H24O6
IUPAC Name:
1,7-bis(4-hydroxy-3-methoxyphenyl)heptane-3,5-dione
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Results and discussion

Mass median aerodynamic diameter:
> 41.3 - <= 41.4 µm
Particle sizeopen allclose all
Percentile:
D50
Mean:
ca. 41.3 - <= 41.4 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D50
Mean:
> 41.3 - <= 41.4 µm
Particle size distribution at different passages
Size:
> 41.3 - <= 41.4 µm
Distribution:
> 0.01 - <= 0.1 %

Applicant's summary and conclusion