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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:
supporting study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP and Guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1984

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: Safepharm Standard Test Method M26
Qualifier:
equivalent or similar to guideline
Guideline:
other: Method of Ames et. al.
GLP compliance:
yes
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
1,1'-binaphthyl-8,8'-dicarboxylic acid
EC Number:
249-922-7
EC Name:
1,1'-binaphthyl-8,8'-dicarboxylic acid
Cas Number:
29878-91-9
Molecular formula:
C22H14O4
IUPAC Name:
[1,1'-binaphthalene]-8,8'-dicarboxylic acid

Method

Species / strain
Species / strain / cell type:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Metabolic activation:
with and without
Metabolic activation system:
S-9 Liver microson mix
Test concentrations with justification for top dose:
20-12,500 µg/plate
Vehicle / solvent:
DMSO

Results and discussion

Test results
Species / strain:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
cytotoxicity
Remarks:
at dose levels of 2,500-12,500 µg/Plate toxicity was observed, resulting in a kill of the background lawn.
Vehicle controls validity:
valid
Remarks on result:
other: all strains/cell types tested
Remarks:
Migrated from field 'Test system'.

Applicant's summary and conclusion

Conclusions:
The test substance was found to be not mutagenic in the AMES-Test