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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
2007
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Pulverrinne_vib55_3bar_gs; air
Deviations:
not specified
Principles of method if other than guideline:
Pulverrinne_vib55_3bar_gs; air
Appartus: Malvern Mastersizer 2000, unit: Scirocco 2000
GLP compliance:
not specified
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
EC Number:
247-820-7
EC Name:
N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
Cas Number:
26576-46-5
Molecular formula:
C11H11N3O3
IUPAC Name:
3-oxo-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)butanamide

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
17 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
3.1 µm
St. dev.:
0.1
Percentile:
D50
Mean:
17.7 µm
St. dev.:
2.3
Percentile:
D90
Mean:
92.4 µm
St. dev.:
21.7

Any other information on results incl. tables

Bimodal: 1st peak at 12 µm, 2nd peak at 69 µm

Applicant's summary and conclusion

Executive summary:

The median value of the substance powder is 17,7 µm