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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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Test was conducted according to ECHA Guidance R. 7a.

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: ECHA Guidance on information requirements and chemical safety assessment, Chapter R.7a: Endpoint specific guidance R./.1.14 Granulometry, page 120-131. (11/2012)
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
2-hydroxy-1-{1-[4-(2-hydroxy-2-methylpropanoyl)phenyl]-1,3,3-trimethyl-2,3-dihydro-1H-inden-5-yl}-2-methylpropan-1-one
EC Number:
696-038-6
Cas Number:
135452-43-6
Molecular formula:
C26H32O4
IUPAC Name:
2-hydroxy-1-{1-[4-(2-hydroxy-2-methylpropanoyl)phenyl]-1,3,3-trimethyl-2,3-dihydro-1H-inden-5-yl}-2-methylpropan-1-one
Constituent 2
Reference substance name:
1-Propanone, 1-[2,3-dihydro-1-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1,3,3-trimethyl-1H-inden-5-yl]-2-hydroxy-2-methyl-
IUPAC Name:
1-Propanone, 1-[2,3-dihydro-1-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1,3,3-trimethyl-1H-inden-5-yl]-2-hydroxy-2-methyl-
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
41.73 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
13.58 µm
Percentile:
D50
Mean:
41.73 µm
Percentile:
D90
Mean:
69.72 µm
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
0.2 - 0.5 µm
Distribution:
0.03 %
No.:
#2
Size:
0.5 - 1 µm
Distribution:
1.05 %
No.:
#3
Size:
1 - 2 µm
Distribution:
0.8 %
No.:
#4
Size:
2 - 5 µm
Distribution:
1.23 %
No.:
#5
Size:
5 - 10 µm
Distribution:
3.66 %
No.:
#6
Size:
10 - 15 µm
Distribution:
4.53 %
No.:
#7
Size:
15 - 20 µm
Distribution:
5.59 %
No.:
#8
Size:
20 - 37 µm
Distribution:
25.56 %
No.:
#9
Size:
37 - 44 µm
Distribution:
11.22 %
No.:
#10
Size:
44 - 60 µm
Distribution:
26.3 %

Any other information on results incl. tables

#11: 60 -74 µm: 12.71%

#12: 74 -149 µm: 7.27%

#13: 149 -200 µm: 0.03%

Applicant's summary and conclusion

Conclusions:
Mass median diameter of the test substance: 41.73 µm

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