2,2'-(1,4-phenylene)bis[4-[(4-methoxyphenyl)methylene]oxazol-5(4H)-one]

Particle size distribution (Granulometry)

Administrative data

Endpoint:

particle size distribution (granulometry)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2016

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: well performed study according to acknowledged standard

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2016

Report date:

2016

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: ISO 13320 -1

GLP compliance:

no

Type of method:

Laser scattering/diffraction

Type of distribution:

volumetric distribution

Test material

Test material information

Constituent 1

Reference substance name:

2,2'-(1,4-phenylene)bis[4-[(4-methoxyphenyl)methylene]oxazol-5(4H)-one]

EC Number:

257-055-0

EC Name:

2,2'-(1,4-phenylene)bis[4-[(4-methoxyphenyl)methylene]oxazol-5(4H)-one]

Cas Number:

51202-86-9

Molecular formula:

C28H20N2O6

IUPAC Name:

2,2'-(1,4-phenylene)bis[4-(4-methoxybenzylidene)-1,3-oxazol-5(4H)-one]

Details on test material:

Purity: 98.4 % (w/w)

Results and discussion

Particle size

Particle size 1

Percentile:

D50

Mean:

3.9 µm

Remarks on result:

other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.

Particle size 2

Percentile:

D10

Mean:

0.89 µm

St. dev.:

0.05

Particle size 3

Percentile:

D50

Mean:

3.9 µm

St. dev.:

0.5

Particle size 4

Percentile:

D90

Mean:

8.4 µm

St. dev.:

1.3

Applicant's summary and conclusion

Conclusions:

The mass median diameter is 3.9 µm.

Executive summary:

The volumetric particle size distribution of the substance was determined with the following equipment: Malvern Mastersizer 2000, unit: Scirocco 2000.

The mass median diameter D50 could be determined as 3.9 µm.