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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:
2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well performed investigation according to acknowledged standard

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according 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 method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Hydrogen hydroxy[2-hydroxy-3-[(2-hydroxy-3-nitrobenzylidene)amino]-5-nitrobenzenesulphonato(3-)]chromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1)
EC Number:
287-267-9
EC Name:
Hydrogen hydroxy[2-hydroxy-3-[(2-hydroxy-3-nitrobenzylidene)amino]-5-nitrobenzenesulphonato(3-)]chromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1)
Cas Number:
85455-32-9
Molecular formula:
C13H7CrN3O10S.C11H25NO.H
IUPAC Name:
hydrogen hydroxy[2-hydroxy-3-[(2-hydroxy-3-nitrobenzylidene)amino]-5-nitrobenzenesulphonato(3-)]chromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1)

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
14.8 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
3 µm
St. dev.:
0.1
Percentile:
D50
Mean:
14.8 µm
St. dev.:
1.9
Percentile:
D90
Mean:
74.9 µm
St. dev.:
17.4

Applicant's summary and conclusion

Conclusions:
The mass median diameter D50 of the volumetric particle size distribution is 14.8 µm
Executive summary:

The volumetric particle size distribution of the substance was determined according to ISO 13320 - 1 using a Malvern Mastersizer equipment with the unit Scirocco 2000. The mass median diameter D50 was found to be 14.8 µm.