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)
Rationale for reliability incl. deficiencies:
comparable to guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
GLP compliance:
no
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:
1-(1,3-benzodioxol-5-yl)-4,4-dimethyl-1-penten-3-one
EC Number:
604-446-2
Cas Number:
144850-45-3
Molecular formula:
C14H16O3
IUPAC Name:
1-(1,3-benzodioxol-5-yl)-4,4-dimethyl-1-penten-3-one
Test material form:
solid: particulate/powder

Results and discussion

Mass median aerodynamic diameter:
>= 52 µm
Geometric standard deviation:
ca. 0.99
Particle sizeopen allclose all
Key result
Percentile:
D10
Mean:
ca. 19.09 µm
St. dev.:
1.51
Key result
Percentile:
D50
Mean:
ca. 52.04 µm
St. dev.:
0.99
Key result
Percentile:
D90
Mean:
ca. 127.09 µm
St. dev.:
9

Applicant's summary and conclusion

Conclusions:
The particle size distribution is evaluated according to PSD method. This study reports a particle diameter mean of 52µm.
Executive summary:

The particle size distribution is evaluated according to PSD method. This study reports a particle diameter mean of 52µm.