Benz[cd]indol-2(1H)-one

Particle size distribution (Granulometry)

Administrative data

Endpoint:

particle size distribution (granulometry)

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: No data of GLP. Examination was done during preparation of the examination of dust explosiveness. Therefore most propably only one run was made.Reliable laboratory.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1999

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)

Principles of method if other than guideline:

The coarse fraction of >500 µm was sieved of (distribution by weight, 2%). The fine coarse was examinated by laser diffraction.

GLP compliance:

no

Type of method:

Laser scattering/diffraction

Test material

Test material information

Constituent 1

Reference substance name:

Naphthostyril

IUPAC Name:

Naphthostyril

Results and discussion

Particle size

Particle size 1

Percentile:

D50

Mean:

ca. 200 µm

Remarks on result:

other: Median of particles <= 500 µm

Remarks:

St. dev. not reported.

Particle size 2

Percentile:

other: DT98

Mean:

ca. 200 µm

Remarks on result:

other: St. dev. not reported.

Particle size distribution at different passages

Particle size distribution at different passages 1

No.:

#1

Size:

> 500 µm

Distribution:

ca. 2 %

Particle size distribution at different passages 2

No.:

#2

Size:

<= 500 µm

Distribution:

ca. 98 %

Particle size distribution at different passages 3

No.:

#3

Size:

<= 20 µm

Distribution:

<= 3.9 %

Any other information on results incl. tables

The product shows a coarse fraction (>500 µm) of 2 %. The fine fraction (<= 500 µm) shows a median of 200 µm. 94 % of the fine fraction is bigger than 20 µm.