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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:
2013
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: well performed study according to internal guidelines

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: ISO 13320 -1
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:
3-nitro-p-toluic acid
EC Number:
202-549-3
EC Name:
3-nitro-p-toluic acid
Cas Number:
96-98-0
Molecular formula:
C8H7NO4
IUPAC Name:
4-methyl-3-nitrobenzoic acid
Details on test material:
Purity: 98.0 %

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
17.7 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
4 µm
St. dev.:
0.2
Percentile:
D50
Mean:
17.7 µm
St. dev.:
2.3
Percentile:
D90
Mean:
158.2 µm
St. dev.:
40.7

Applicant's summary and conclusion

Conclusions:
D50 = 17.7 µm
Executive summary:

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

The mass median diameter was found to be 17.7 µm.

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