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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: ISO method, not GLP compliance

Data source

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

Materials and methods

Test guideline
Guideline:
other: ISO 13320:2009(E) Particle size analysis-Laser diffration methods
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate
EC Number:
429-300-3
EC Name:
1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate
Cas Number:
155601-30-2
Molecular formula:
C5H12N4O5S
IUPAC Name:
1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate

Results and discussion

Particle size
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
45.707 µm
Distribution:
10 %
No.:
#2
Size:
88.733 µm
Distribution:
50 %
No.:
#3
Size:
165.753 µm
Distribution:
90 %

Any other information on results incl. tables

Calculations from 3.991 µm to 399.052 µm

D(4,3): 98.155 µm

D(3,2): 69.144 µm

Applicant's summary and conclusion