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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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:
2009
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Company SOP: Pulverrinne_3bar_gs; air
Apparatus: Malvern Mastersizer 2000; unit Scirocco 2000
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
N-[4-(aminocarbonyl)phenyl]-4-nitrobenzamide
EC Number:
298-791-2
EC Name:
N-[4-(aminocarbonyl)phenyl]-4-nitrobenzamide
Cas Number:
93839-21-5
Molecular formula:
C14H11N3O4
IUPAC Name:
N-(4-carbamoylphenyl)-4-nitrobenzamide
Details on test material:
Purity: 98.01 %

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
6.2 µm
Remarks on result:
other: broad distribution; agglomerates at 300 µm(migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
Percentile:
D10
Mean:
1.1 µm
St. dev.:
0.05
Percentile:
D50
Mean:
6.2 µm
St. dev.:
0.8
Percentile:
D90
Mean:
279.1 µm
St. dev.:
79.1

Applicant's summary and conclusion

Conclusions:
The mass median diameter D50 of the test item is 6.2 µm determined with the Malvern Mastersizer 2000; unit Scirocco 2000