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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2013
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: reliable method (laser light scattering)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
Laser diffraction particle size measurement
GLP compliance:
not specified
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
4'-ethoxy-3-hydroxy-2-naphthanilide
EC Number:
225-200-7
EC Name:
4'-ethoxy-3-hydroxy-2-naphthanilide
Cas Number:
4711-68-6
Molecular formula:
C19H17NO3
IUPAC Name:
N-(4-ethoxyphenyl)-3-hydroxy-2-naphthamide

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
19.3 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
4.2 µm
St. dev.:
0.2
Percentile:
D50
Mean:
19.3 µm
St. dev.:
2.5
Percentile:
D90
Mean:
50 µm
St. dev.:
9

Any other information on results incl. tables

concentration: 0.0005%

vol.-specific surface area: 0.727 m2/g

Applicant's summary and conclusion

Conclusions:
The determined median diameter (D50) amounts to 19.3 µm.
Executive summary:

Particle Size Distribution was measured by Laser Diffraction using a Malvern Mastersizer 2000, unit: Scirocco 2000 apparatus.