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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
Reliability:
1 (reliable without restriction)

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
tetrasodium 4-[(E)-2-[2-(carbamoylamino)-4-[(2,6-difluoropyrimidin-4-yl)amino]phenyl]diazen-1-yl]benzene-1,3-disulfonate 4-[(E)-2-[2-(carbamoylamino)-4-[(4,6-difluoropyrimidin-2-yl)amino]phenyl]diazen-1-yl]benzene-1,3-disulfonate
EC Number:
700-936-6
Molecular formula:
C17H11F2N7Na2O7S2
IUPAC Name:
tetrasodium 4-[(E)-2-[2-(carbamoylamino)-4-[(2,6-difluoropyrimidin-4-yl)amino]phenyl]diazen-1-yl]benzene-1,3-disulfonate 4-[(E)-2-[2-(carbamoylamino)-4-[(4,6-difluoropyrimidin-2-yl)amino]phenyl]diazen-1-yl]benzene-1,3-disulfonate

Results and discussion

Mass median aerodynamic diameter:
309 µm
Geometric standard deviation:
8.83
Particle sizeopen allclose all
Percentile:
D50
Mean:
ca. 310 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D50
Mean:
309 µm
St. dev.:
8.83
Percentile:
D10
Mean:
11.17 µm
St. dev.:
0.21
Percentile:
D90
Mean:
1 057.67 µm
St. dev.:
33.52
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
< 10 µm
Distribution:
8.93 %
No.:
#2
Size:
> 10 - <= 100 µm
Distribution:
19.26
No.:
#3
Size:
> 100 µm
Distribution:
71.81 %

Applicant's summary and conclusion

Conclusions:
The test item Reactive Golden Yellow HF-RN 1331 has a median particle size L50 = 3091μm determined by laser diffraction measurement