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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
GLP compliance:
not specified
Type of method:
Laser scattering/diffraction
Type of particle tested:
agglomerate
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Piperazine-1-dithiocarboxylic acid
EC Number:
202-720-2
EC Name:
Piperazine-1-dithiocarboxylic acid
Cas Number:
99-00-3
Molecular formula:
C5H10N2S2
IUPAC Name:
piperazine-1-carbodithioic acid
Test material form:
solid: particulate/powder

Results and discussion

Mass median aerodynamic diameter:
ca. 64.6 µm
Geometric standard deviation:
21
Particle sizeopen allclose all
Key result
Percentile:
D10
Mean:
ca. 22.8 µm
St. dev.:
1.37
Remarks on result:
other: Unmilled
Key result
Percentile:
D50
Mean:
ca. 66.1 µm
St. dev.:
2.14
Remarks on result:
other: Unmilled
Key result
Percentile:
D90
Mean:
ca. 180 µm
St. dev.:
37.3
Remarks on result:
other: Unmilled
Key result
Percentile:
D10
Mean:
ca. 2.8 µm
St. dev.:
0.456
Remarks on result:
other: Milled
Key result
Percentile:
D50
Mean:
ca. 11.2 µm
St. dev.:
1.54
Remarks on result:
other: Milled
Key result
Percentile:
D90
Mean:
ca. 51.2 µm
St. dev.:
16.6
Remarks on result:
other: Milled

Applicant's summary and conclusion