2,2'-methylenebis(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol)

Particle size distribution (Granulometry)

Administrative data

Endpoint:

particle size distribution (granulometry)

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: GLP compliant

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2009

Report date:

2009

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

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

GLP compliance:

yes (incl. QA statement)

Remarks:

AllessaChemie GmbH, Frankfurt am Main, Germany

Type of distribution:

volumetric distribution

Test material

Test material information

Constituent 1

Reference substance name:

2,2'-methylenebis(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol)

EC Number:

403-800-1

EC Name:

2,2'-methylenebis(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol)

Cas Number:

103597-45-1

Molecular formula:

C41H50N6O2

IUPAC Name:

2-(2H-1,2,3-benzotriazol-2-yl)-6-{[3-(2H-1,2,3-benzotriazol-2-yl)-2-hydroxy-5-(2,4,4-trimethylpentan-2-yl)phenyl]methyl}-4-(2,4,4-trimethylpentan-2-yl)phenol

Details on test material:

-Trivial name: SONGSORB 3600 PW
-Batch No.: 1SP3691501
-Molecular Formula: C41H50O2N6
-Molecular Weight: 658.87 g/mol
-Appearance: white powder

Results and discussion

Particle size

Particle size 1

Percentile:

D50

Mean:

>= 99.17 - <= 100.63 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:

<= 4.74 µm

St. dev.:

0.035

Particle size 3

Percentile:

D50

Mean:

<= 99.9 µm

St. dev.:

0.728

Particle size 4

Percentile:

D99

Mean:

<= 411.61 µm

St. dev.:

1.245

Particle size distribution at different passages

Particle size distribution at different passages 1

No.:

#1

Size:

<= 40 µm

Distribution:

>= 29.18 - <= 29.31 %

Particle size distribution at different passages 2

No.:

#2

Size:

<= 63 µm

Distribution:

>= 37.64 - <= 37.9 %

Particle size distribution at different passages 3

No.:

#3

Size:

<= 100 µm

Distribution:

>= 49.87 - <= 50.19 %

Particle size distribution at different passages 4

No.:

#4

Size:

<= 250 µm

Distribution:

>= 84.41 - <= 84.45 %

Particle size distribution at different passages 5

No.:

#5

Size:

<= 500 µm

Distribution:

100 %

Any other information on results incl. tables

Dry dispersing system RODOS: Measurement starting from 0.5 % C.Opt. with approximately 2 - 4 g powder for each test at 1.5 bar. The measuring range of the optical system was set to lense R5 (0.5/4.5...875 µm).

Run	X10 [µm]	X50 [µm]	X99 [µm]
1	4.71	99.38	412.49
2	4.76	100.41	410.73
Average	4.74	99.90	411.61
Confidence interval	0.035	0.728	1.245

The average particle size and confidence interval of test item SONGSORB 3600 PW is:

X_10:  ≤  4.74 ± 0.035 µm

X_50:  ≤  99.90 ± 0.728 µm

X_99:  ≤  411.61 ± 1.245 µm

Applicant's summary and conclusion

Conclusions:

The average particle size and confidence interval of test item SONGSORB 3600 PW is:
X10:  ≤  4.74 ± 0.035 µm
X50:  ≤  99.90 ± 0.728 µm
X99:  ≤  411.61 ± 1.245 µm