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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: MSDS
Title:
Unnamed
Year:
2000
Report date:
2000

Materials and methods

Test guideline
Qualifier:
no guideline followed
Guideline:
other:
Principles of method if other than guideline:
Lowest mesh size and median mass diameter, as the OECD guideline for testing of chemicals, No. 110, Particle size distribution/Fiber length and diameter could not be used, since the particle distribution of the substance is too large.

Test material

Constituent 1
Chemical structure
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
Constituent 2
Reference substance name:
2,2'-methylenebis(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl) phenol)
IUPAC Name:
2,2'-methylenebis(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl) phenol)
Details on test material:
Our source does not specify these particular information

Results and discussion

Particle size
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
Size:
< 218 µm
Distribution:
ca. 50 %
Size:
> 218 µm
Distribution:
ca. 50 %

Applicant's summary and conclusion

Conclusions:
< 40 μm: <5%
< 218 μm: ~50%
>218 μm: ~50%