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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2015-12-08 to 2016-03-07
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
Version / remarks:
adpopted 1981
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
adopted 2009
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
mass based distribution
Mass median aerodynamic diameter:
50.1 µm
Key result
Percentile:
D10
Mean:
8.1 µm
Remarks on result:
other: standard deviation not specified
Key result
Percentile:
D50
Mean:
50.1 µm
Remarks on result:
other: standard deviation not specified
Key result
Percentile:
D90
Mean:
125.5 µm
Remarks on result:
other: standard deviation not specified

Two  test  series  of 3  measurements  each  were  performed  with  the fine  fraction  of the  test item.

Test series 1:

D10:  8.0 µm

D50: 49.2 µm (Median diameter)

D90: 123.5 µm

Test series 2:

D10:  8.2 µm

D50:  51.1 µm  (Median diameter)

D90:  127.4 µm

Average

D10:  8.1 µm

D50:  50.1 µm  (Median diameter)

D90:  125.5 µm

Conclusions:
In the present study the particle size distribution of the test substance was determined using laser diffraction. The powder is brought via a powder dispersing cell into the laser light beam and the diffraction pattern is determined. From the diffraction pattern the particle size distribution was calculated. The test item has a median particle size D50 = 50.1 µm.

Description of key information

In the present study the particle size distribution of the test substance was determined using laser diffraction. The test item has a median particle size D50 = 50.1 µm.

Additional information

In a study according to OECD guideline 110, (1981) the particle size distribution of 2,4 -Bismaleimidotoluene was determined using laser diffraction. The powder is brought via a powder dispersing cell into the laser light beam and the diffraction pattern is determined. Two  test  series  of 3  measurements  each  were  performed  with  the fine  fraction  of the test item. From the diffraction pattern the particle size distribution was calculated. The test item has a median particle size D50 = 50.1 µm.