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Particle size distribution (Granulometry)

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Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
10 Aug 2013 - 18 Apr 2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study
Qualifier:
according to
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
Deviations:
no
GLP compliance:
yes
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
No.:
#1
Size:
<= 2 µm
Distribution:
7.18 %
No.:
#2
Size:
> 2 - < 200 µm
Distribution:
92.82 %
No.:
#3
Size:
>= 200 µm
Distribution:
0 %

D10 = 2.515 µm

D50 = 13.68 µm

D90 = 37.15 µm

No information on standard deviation available in the study.

Description of key information

The substance  Reaction mass of 1,1'-(isopropylidene)bis[3,5-dibromo-4-(2,3-dibromo-2-methylpropoxy)benzene] and 1,3-dibromo-2-(2,3-dibromo-2-methylpropoxy)-5-{2-[3,5-dibromo-4-(2,3,3-tribromo-2-methylpropoxy)phenyl]propan-2-yl}benzenehas the following volumetric particle size distribution: D10 = 2.515 µm; D50 = 13.68 µm; D90 = 37.15 µm; MMAD = no information given (SEPA 110, OECD 110, laser diffraction analysis, dry method).

Additional information

Considering the definition of a nano-material under REACH, the substance Reaction mass of 1,1'-(isopropylidene)bis[3,5-dibromo-4-(2,3-dibromo-2-methylpropoxy)benzene] and 1,3-dibromo-2-(2,3-dibromo-2-methylpropoxy)-5-{2-[3,5-dibromo-4-(2,3,3-tribromo-2-methylpropoxy)phenyl]propan-2-yl}benzene cannot be defined as nano-material, under REACH.