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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
in vitro gene mutation study in bacteria
Remarks:
Type of genotoxicity: gene mutation
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Annex V (plate incorporation and pre-incubation tests)
GLP compliance:
yes
Type of assay:
bacterial reverse mutation assay

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:
C53H28Cl2N14Na8O26S8
IUPAC Name:
octasodium 5-[(4-chloro-6-{[4-({[4-chloro-6-({7-[2-(1,5-disulfonaphthalen-2-yl)diazen-1-yl]-8-hydroxy-3,6-disulfonaphthalen-1-yl}amino)-1,3,5-triazin-2-yl]amino}methyl)phenyl]amino}-1,3,5-triazin-2-yl)amino]-3-[2-(1,5-disulfonaphthalen-2-yl)diazen-1-yl]-4-hydroxynaphthalene-2,7-disulfonate
Constituent 2
Reference substance name:
604-270-6
EC Number:
604-270-6
IUPAC Name:
604-270-6

Method

Species / strain
Species / strain / cell type:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Metabolic activation system:
Aroclor-induced rat liver S9
Test concentrations with justification for top dose:
Concentration range in the main test (with metabolic activation): 200...6983 µg/plate
Concentration range in the main test (without metabolic activation): 200...6983 µg/plate
Vehicle / solvent:
solvent: Distilled water

Results and discussion

Test resultsopen allclose all
Species / strain:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Metabolic activation:
with
Genotoxicity:
not specified
Cytotoxicity / choice of top concentrations:
cytotoxicity
Remarks:
(>6983µg/plate)
Species / strain:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Metabolic activation:
without
Genotoxicity:
not specified
Cytotoxicity / choice of top concentrations:
cytotoxicity
Remarks:
(6983µg/plate)
Additional information on results:
Observations:
No significant, reproducibla increases in the number of revertant colonies in S. typhimurium in the presence or absence of S9.
Remarks on result:
other: other: main test
Remarks:
Migrated from field 'Test system'.

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information):
negative with metabolic activation
negative without metabolic activation