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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2022
Report date:
2022

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
GLP compliance:
no
Type of method:
Laser scattering/diffraction

Test material

1
Chemical structure
Reference substance name:
2,2,3,3,8,8,9,9-octafluorotricyclo[8.2.2.2⁴,⁷]hexadeca-1(12),4,6,10,13,15-hexaene
EC Number:
639-791-8
Cas Number:
3345-29-7
Molecular formula:
C16H8F8
IUPAC Name:
2,2,3,3,8,8,9,9-octafluorotricyclo[8.2.2.2⁴,⁷]hexadeca-1(12),4,6,10,13,15-hexaene

Results and discussion

Particle sizeopen allclose all
Percentile:
D90
Mean:
539 µm
St. dev.:
539
Percentile:
D50
Mean:
297 µm
St. dev.:
297
Percentile:
D10
Mean:
130 µm
St. dev.:
130
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
> 75 µm
Distribution:
95.78 %
No.:
#2
Size:
< 45 µm
Distribution:
1.61 %

Applicant's summary and conclusion

Conclusions:
From the experimental data obtained according to CIPAC method MT 187 and OECD guideline No.
110, it can be concluded that the test item sample presents the following particle size distribution:

- D10 130 μm
- D50 297 μm
- D90 539 μm

Volume < 45 μm: 1.61 %
Volume > 75 μm: 95.78%