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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:
5 June 2020
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Remarks:
Laser diffraction but no guideline followed

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2020
Report date:
2020

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
- Principle of test: laser diffraction/scattering equation
- Short description of test conditions: 'see any other information on materials and methods incl. tables'
- Parameters analysed / observed: volumetric distribution
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of particle tested:
other: non-aggregate
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2-bis[(hexadecanoyloxy)methyl]propane-1,3-diyl dihexadecanoate
Cas Number:
18641-58-2
Molecular formula:
C69H132O8
IUPAC Name:
2,2-bis[(hexadecanoyloxy)methyl]propane-1,3-diyl dihexadecanoate

Results and discussion

Particle sizeopen allclose all
Percentile:
D10
Mean:
146.9 µm
Remarks on result:
other: Standard Deviation not determined
Percentile:
D50
Mean:
301 µm
Remarks on result:
other: standard deviation not determined
Percentile:
D90
Mean:
488.4 µm
Remarks on result:
other: standard deviation not determined

Any other information on results incl. tables

Summarized data Values

MV (μm): 314.3

MN (μm): 114.9

MA (μm): 245.7

CS: 0.02442

SD (μm): 128.5

Peak (μm): 301.0

Frequency (%): 100 .00

Width (μm): 256.9 

Cumulative (%)

Particle Size (µm)

10

146.9

20

198.3

30

237.2

40

270.1

50

301.0

60

332.5

70

367.8

80

413.0

90

488.4

95

564.7

Applicant's summary and conclusion