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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019

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:
yes (incl. QA statement)
Type of method:
sieving
Type of particle tested:
primary particle
Type of distribution:
mass based distribution

Test material

Constituent 1
Reference substance name:
Hydrogenated Cetyl Olive Oil Esters
Molecular formula:
not applicable
IUPAC Name:
Hydrogenated Cetyl Olive Oil Esters
Test material form:
solid

Results and discussion

Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
< 3 350 µm
Distribution:
ca. 1.6 %
No.:
#2
Size:
>= 3 350 - < 4 000 µm
Distribution:
ca. 82.5 %
No.:
#3
Size:
> 4 000 - < 5 600 µm
Distribution:
ca. 13.5 %
No.:
#4
Size:
>= 5 600 - < 8 000 µm
Distribution:
ca. 2.4 %

Applicant's summary and conclusion

Executive summary:

The particle size distribution was performed according to the OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius).

The test item Hydrogenated olive oil cetyl ester has a particle size of

Particle size inµm

Mass %

<3350

1.6

>=3350

82.5

>=4000

13.5

 5600 <8000

 2.4

which was determined by sieving.