Tetramethyl 2,2'-[1,4-phenylenebis[imino(1-acetyl-2-oxoethane-1,2-diyl)azo]]bisterephthalate

Particle size distribution (Granulometry)

Link to relevant study record(s)

Reference

Endpoint:

particle size distribution (granulometry)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2011

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

study well documented, meets generally accepted scientific principles, acceptable for assessment

Principles of method if other than guideline:

measurement by Laser scattering/diffraction.

GLP compliance:

no

Type of method:

Laser scattering/diffraction

Type of distribution:

volumetric distribution

Key result

Percentile:

D10

Mean:

0.61 µm

Remarks on result:

other: no data on St. dev.

Key result

Percentile:

D50

Mean:

2.6 µm

Remarks on result:

other: no data on St. dev.

Key result

Percentile:

D90

Mean:

9.7 µm

Remarks on result:

other: no data on St. dev.

No.:

#1

Size:

< 4 µm

Distribution:

63.5 %

No.:

#2

Size:

< 10 µm

Distribution:

89.4 %

No.:

#3

Size:

< 100 µm

Distribution:

93.8 %

Conclusions:

The particle size distribution of test substance was determined to be MMD= 2.6 µm.

Description of key information

D50= 2.6 µm

D10= 0.61 µm

D90= 9.7 µm

Additional information

Nanoform:

The determination was carried out by Laser scattering/diffraction.

In addition, the values [vol%] for the particle size fractions are as follows:

<4 µm= 64%

<10 µm= 89%

<100 µm= 94%