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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:
July 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Principles of method if other than guideline:
PSD Method :
Reference: MS-EAU-SS US
GLP compliance:
yes
Type of method:
other: PSD Method
Type of particle tested:
other: powder
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[2,4-bis(tert-pentyl)phenoxy]-N-(3,5-dichloro-4-ethyl-2-hydroxyphenyl)butyramide
EC Number:
300-634-0
EC Name:
2-[2,4-bis(tert-pentyl)phenoxy]-N-(3,5-dichloro-4-ethyl-2-hydroxyphenyl)butyramide
Cas Number:
93951-12-3
Molecular formula:
C28H39Cl2NO3
IUPAC Name:
2-[2,4-bis(tert-pentyl)phenoxy]-N-(3,5-dichloro-4-ethyl-2-hydroxyphenyl)butyramide
Test material form:
solid
Details on test material:
Batch 44029
colour : White to off-white
retest date : 01/06/2019

Results and discussion

Particle sizeopen allclose all
Key result
Percentile:
D10
Mean:
27.6 µm
St. dev.:
0.596
Key result
Percentile:
D50
Mean:
113 µm
St. dev.:
2.81
Key result
Percentile:
D90
Mean:
349 µm
St. dev.:
15
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
5.21 µm
Distribution:
2.42 %
No.:
#1
Size:
21.2 µm
Distribution:
7.49 %
No.:
#1
Size:
111 µm
Distribution:
48.98 %
No.:
#1
Size:
240 µm
Distribution:
79.92 %
No.:
#2
Size:
5.21 µm
Distribution:
2.51 %
No.:
#2
Size:
21.2 µm
Distribution:
7.61 %
No.:
#2
Size:
111 µm
Distribution:
49.37 %
No.:
#2
Size:
240 µm
Distribution:
80.81 %
No.:
#3
Size:
5.21 µm
Distribution:
2.26 %
No.:
#3
Size:
21.2 µm
Distribution:
7.47 %
No.:
#3
Size:
111 µm
Distribution:
51.24 %
No.:
#3
Size:
240 µm
Distribution:
82.05 %
No.:
#4
Size:
5.21 µm
Distribution:
2.27 %
No.:
#4
Size:
21.2 µm
Distribution:
7.44 %
No.:
#4
Size:
111 µm
Distribution:
50.66 %
No.:
#4
Size:
240 µm
Distribution:
81.15 %
No.:
#5
Size:
5.21 µm
Distribution:
2.34 %
No.:
#5
Size:
21.2 µm
Distribution:
7.2 %
No.:
#5
Size:
111 µm
Distribution:
48.83 %
No.:
#5
Size:
240 µm
Distribution:
80.33 %
No.:
#6
Size:
5.21 µm
Distribution:
2.33 %
No.:
#6
Size:
21.2 µm
Distribution:
7.12 %
No.:
#6
Size:
111 µm
Distribution:
48.3 %
No.:
#6
Size:
240 µm
Distribution:
79.15 %

Any other information on results incl. tables

1# Dv(100) 952µm

2# Dv(100) 971µm

3# Dv(100) 775µm

4# Dv(100) 858µm

5# Dv(100) 1250µm

6# Dv(100) 1110µm

Applicant's summary and conclusion

Conclusions:
results (means):
D(10) = 27.6 µm
D(50) = 113 µm
D(90) = 349 µm

Standard deviation :
D(10) = 0.596 µm
D(50) = 2.81 µm
D(90) = 15.0 µm