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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
18.03.2015
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:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
GLP compliance:
no
Type of method:
Laser scattering/diffraction

Test material

Constituent 1
Chemical structure
Reference substance name:
(1r,4r)-4-(2,3-difluoro-4-propoxyphenyl)-4'-propyl-1,1'-bi(cyclohexane)
EC Number:
610-336-5
Cas Number:
473257-14-6
Molecular formula:
C24H36F2O
IUPAC Name:
(1r,4r)-4-(2,3-difluoro-4-propoxyphenyl)-4'-propyl-1,1'-bi(cyclohexane)

Results and discussion

Particle sizeopen allclose all
Key result
Percentile:
D50
Mean:
74 µm
Remarks on result:
other: no SD indicated
Key result
Percentile:
D10
Mean:
14 µm
Remarks on result:
other: no SD indicated
Key result
Percentile:
D90
Mean:
254 µm
Remarks on result:
other: no SD indicated

Applicant's summary and conclusion

Executive summary:

The median particle size of the test substance is 74µm.