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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:
2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well performed study according to accepted standard

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: ISO 13320-1
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
2-hydroxy-1-naphthaldehyde
EC Number:
211-902-0
EC Name:
2-hydroxy-1-naphthaldehyde
Cas Number:
708-06-5
Molecular formula:
C11H8O2
IUPAC Name:
2-hydroxynaphthalene-1-carbaldehyde

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
22.6 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
3.3 µm
St. dev.:
0.1
Percentile:
D50
Mean:
22.6 µm
St. dev.:
2.9
Percentile:
D90
Mean:
211 µm
St. dev.:
55

Applicant's summary and conclusion

Conclusions:
The mass median diameter D50 for the volumetric particle size distribution of the substance is 22.6 µm.
Executive summary:

The volumetric particle size distribution of the substance was determined according to ISO 13320 -1 with the apparatus: Malvern Mastersizer 2000, unit: Scirocco 2000. The mass median diameter D50 was found to be 22.6 µm.