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
Study period:
2011
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: well performed test according to acknowledged rules but without GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report date:
2011

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: company guideline
Deviations:
not specified
Principles of method if other than guideline:
Apparatus: Malvern Mastersizer 2000, unit: Scirocco 2000
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
614-960-9
EC Number:
614-960-9
Cas Number:
69399-57-1
Molecular formula:
C9H7N3O5
IUPAC Name:
614-960-9
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
purity: 91.0 %

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
4.4 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
0.93 µm
St. dev.:
0.05
Percentile:
D50
Mean:
4.4 µm
St. dev.:
0.4
Percentile:
D90
Mean:
159 µm
St. dev.:
45

Applicant's summary and conclusion

Conclusions:
The mass median diameter of the test substance determined with the apparatus Malvern Mastersizer 2000, unit Scirocco 2000 was 4.4 µm.