Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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:
2010

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: KP 533 (Particle size analysis - Laser diffraction method)
Qualifier:
equivalent or similar to guideline
Guideline:
other: ISO 13320-1
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Calcium 4-chloro-2-(5-hydroxy-3-methyl-1-(3-sulfonatophenyl)pyrazol-4-ylazo)-5-methylbenzenesulfonate
EC Number:
403-530-4
EC Name:
Calcium 4-chloro-2-(5-hydroxy-3-methyl-1-(3-sulfonatophenyl)pyrazol-4-ylazo)-5-methylbenzenesulfonate
Cas Number:
129423-54-7
Molecular formula:
C17H15ClN4O7S2.Ca
IUPAC Name:
calcium 4-chloro-5-methyl-2-{2-[3-methyl-5-oxo-1-(3-sulfonatophenyl)-4,5-dihydro-1H-pyrazol-4-yl]diazen-1-yl}benzene-1-sulfonate

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
0.682 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
0.333 µm
Percentile:
D90
Mean:
3.271 µm
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
0.15 µm
Distribution:
0.187 %
Remarks on result:
other: No. 20 in protocol pg 3
No.:
#2
Size:
0.584 µm
Distribution:
8.653 %
Remarks on result:
other: No. 30 in protocol pg 3 - the highest peak
No.:
#3
Size:
2.269 µm
Distribution:
1.715 %
Remarks on result:
other: No. 40 in protocol pg 3

Applicant's summary and conclusion