Registration Dossier

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:
08/2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The study was conducted according to OECD guideline 110.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report Date:
2010

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
Deviations:
no
GLP compliance:
no
Type of distribution:
counted distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
56.6 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
18.4 µm
Remarks on result:
other: no standard deviation indicated
Percentile:
D90
Mean:
148 µm
Remarks on result:
other: no standard deviation indicated

Applicant's summary and conclusion

Conclusions:
The median particle size L50 of the test items deduced from the particle size distribution is 56.6 µm.
Executive summary:

The particle size distribution of Phenolphthalein was investigated in an OECD guideline 110 compliant study. The median particle size L50 of the test items deduced from the particle size distribution is 56.6 µm.