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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:
2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: well performed study according to acknowledged standard

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: ISO 13320 -1
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2'-(1,4-phenylene)bis[4-[(4-methoxyphenyl)methylene]oxazol-5(4H)-one]
EC Number:
257-055-0
EC Name:
2,2'-(1,4-phenylene)bis[4-[(4-methoxyphenyl)methylene]oxazol-5(4H)-one]
Cas Number:
51202-86-9
Molecular formula:
C28H20N2O6
IUPAC Name:
2,2'-(1,4-phenylene)bis[4-[(4-methoxyphenyl)methylene]oxazol-5(4H)-one]
Details on test material:
Purity: 98.4 % (w/w)

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
3.9 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
0.89 µm
St. dev.:
0.05
Percentile:
D50
Mean:
3.9 µm
St. dev.:
0.5
Percentile:
D90
Mean:
8.4 µm
St. dev.:
1.3

Applicant's summary and conclusion

Conclusions:
The mass median diameter is 3.9 µm.
Executive summary:

The volumetric particle size distribution of the substance was determined with the following equipment: Malvern Mastersizer 2000, unit: Scirocco 2000.

The mass median diameter D50 could be determined as 3.9 µm.