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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
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 6-diazo-5,6-dihydro-5-oxonaphthalene-1-sulphonate
EC Number:
220-189-5
EC Name:
Sodium 6-diazo-5,6-dihydro-5-oxonaphthalene-1-sulphonate
Cas Number:
2657-00-3
Molecular formula:
C10H6N2O4S.Na
IUPAC Name:
sodium 6-diazo-5,6-dihydro-5-oxonaphthalene-1-sulphonate
Test material form:
solid

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
ca. 143.4 µm
Remarks on result:
other: no SD indicated
Percentile:
D10
Mean:
ca. 40.41 µm
Remarks on result:
other: no SD indicated
Percentile:
D90
Mean:
ca. 333.9 µm
Remarks on result:
other: no SD indicated

Applicant's summary and conclusion

Conclusions:
The median particle size L50 fo the test item decuded from the particle size distributions was 143.4 micrometer.