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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1996
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1996

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
Deviations:
not specified
GLP compliance:
yes
Type of method:
sieving
Type of particle tested:
primary particle
Type of distribution:
mass based distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
N,N'-bis{6-chloro-4-[6-(4-vinylsulfonylphenylazo)-2,7-disulfonicacid 5-hydroxy-napht-4-ylamino]-1,3,5-triazin-2-yl}-N-(2-hydroxyethyl)-ethane-1,2-diamine, sodium salt
EC Number:
419-500-9
EC Name:
N,N'-bis{6-chloro-4-[6-(4-vinylsulfonylphenylazo)-2,7-disulfonicacid 5-hydroxy-napht-4-ylamino]-1,3,5-triazin-2-yl}-N-(2-hydroxyethyl)-ethane-1,2-diamine, sodium salt
Cas Number:
171599-85-2
Molecular formula:
C46H38Cl2N14O19S6
IUPAC Name:
tetrasodium 5-[(4-chloro-6-{[2-({4-chloro-6-[(7-{2-[4-(ethenesulfonyl)phenyl]diazen-1-yl}-8-hydroxy-3,6-disulfonatonaphthalen-1-yl)amino]-1,3,5-triazin-2-yl}(2-hydroxyethyl)amino)ethyl]amino}-1,3,5-triazin-2-yl)amino]-3-{2-[4-(ethenesulfonyl)phenyl]diazen-1-yl}-4-hydroxynaphthalene-2,7-disulfonate
Test material form:
solid: particulate/powder

Results and discussion

Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
< 10 µm
Distribution:
6.2 %
No.:
#2
Size:
< 57 µm
Distribution:
50 %

Applicant's summary and conclusion

Conclusions:
Particle Size Distribution:
-6.2 % are < 10 μm,
50 % are < 57 μm