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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:
1 March 1999
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Non-GLP Malvern light Scattering technique utilised. Considered suitable for assessment purposes. A copy of the relevant trace is included as supporting information.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Laser Diffraction Method
Deviations:
not specified
Principles of method if other than guideline:
Laser diffraction using a Malvern 2600 Particle Sizer
GLP compliance:
yes
Type of distribution:
counted distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Octasodium 2-(8-(4-chloro-6-(3-((4-chloro-6-(3,6-disulfonato-2-(1,5-disulfonatonaphthalen-2-ylazo)-1-hydroxynaphthalen-8-ylamino)-1,3,5-triazin-2-yl)aminomethyl)phenylamino)-1,3,5-triazin-2-ylamino)-3,6-disulfonato-1-hydroxynaphthalen-2-ylazo)naphthalene-1,5-disulfonate
EC Number:
413-550-5
EC Name:
Octasodium 2-(8-(4-chloro-6-(3-((4-chloro-6-(3,6-disulfonato-2-(1,5-disulfonatonaphthalen-2-ylazo)-1-hydroxynaphthalen-8-ylamino)-1,3,5-triazin-2-yl)aminomethyl)phenylamino)-1,3,5-triazin-2-ylamino)-3,6-disulfonato-1-hydroxynaphthalen-2-ylazo)naphthalene-1,5-disulfonate
Cas Number:
142068-96-0
Molecular formula:
Hill formula: C53H28Cl2N14Na8O26S8
IUPAC Name:
octasodium 5-[(4-chloro-6-{[4-({[4-chloro-6-({7-[2-(1,5-disulfonatonaphthalen-2-yl)diazen-1-yl]-8-hydroxy-3,6-disulfonatonaphthalen-1-yl}amino)-1,3,5-triazin-2-yl]amino}methyl)phenyl]amino}-1,3,5-triazin-2-yl)amino]-3-[2-(1,5-disulfonatonaphthalen-2-yl)diazen-1-yl]-4-hydroxynaphthalene-2,7-disulfonate
Details on test material:
- Name of test material (as cited in study report): H112339
- Lot/batch No.: 098764

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
> 100 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
other: D0.3
Mean:
10.4 µm
Percentile:
D10
Mean:
45.8 µm
Percentile:
other: D34
Mean:
96 µm
Percentile:
D50
Mean:
> 100 µm
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
< 10.4 µm
Distribution:
0.3 %
No.:
#2
Size:
< 45.8 µm
Distribution:
9.9 %
No.:
#3
Size:
< 96 µm
Distribution:
33.9 %

Any other information on results incl. tables

Particle Size Distribution:
0.3% <10.4 µm
9.9% <45.8 µm

33.9% <96 µm -------------------------------------------------------------
Mass Median Diameter: > 100 µm

Applicant's summary and conclusion

Conclusions:
The substance is not considered to contain respirable or inhalable particulate matter of sufficient size to cause concern. Inhalation toxicity is not considered to pose a hazard for the material on this basis.
Executive summary:

The substance is not considered to contain respirable or inhalable particulate matter of sufficient size to cause concern. Inhalation toxicity is not considered to pose a hazard for the material on this basis.