1,1'-(1,1,2,2-tetramethylethylene)dibenzene

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:

2012-05-11 to 2012-05-11

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Remarks:

The study is regarded as reliable without restrictions because it was conducted in compliance with GLP regulation and is scientifically well documented and complete in any part.

Qualifier:

according to guideline

Guideline:

other: CIPAC MT 170 Dry Sieve Analysis of Water Dispersible Granules, CIPAC Handbook Volume F, 1995

Deviations:

no

Principles of method if other than guideline:

Sieve analysis consists of the quantitative separation of water dispersible granules into fractions of different particle size ranges by use of machine sieving method.

GLP compliance:

yes (incl. QA statement)

Type of method:

sieving

Type of particle tested:

primary particle

Type of distribution:

mass based distribution

No.:

#1

Size:

125 µm

Distribution:

0.2 %

No.:

#2

Size:

250 µm

Distribution:

3.1 %

No.:

#3

Size:

500 µm

Distribution:

11.8 %

No.:

#4

Size:

1 000 µm

Distribution:

80.8 %

No.:

#5

Size:

2 000 µm

Distribution:

4 %

The particle size distribution of the CCDFB-90 was found to be [500 μm, 2000 μm].

Conclusions:

1,1'-(1,1,2,2-tetramethylethylene)dibenzene showed a particle size distribution of [500 µm, 2000 µm]. None of the particles were smaller than 125 µm.

Executive summary:

The particle size distribution of 1,1'-(1,1,2,2-tetramethylethylene)dibenzene was assessed according to the CIPAC MT 170 guideline. Using the dry sieve analysis method the particle size distribution of the test substance was determined to be [500 µm, 2000 µm]. None of the particles were smaller than 125 µm.

Description of key information

1,1'-(1,1,2,2-tetramethylethylene)dibenzene showed a particle size distribution of [500 µm, 2000 µm].

Additional information

The particle size distribution of 1,1'-(1,1,2,2-tetramethylethylene)dibenzene was assessed according to the CIPAC MT 170 guideline. Using the dry sieve analysis method the particle size distribution of the test substance was determined to be [500 µm, 2000 µm]. None of the particles were smaller than 125 µm.