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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Genetic toxicity: in vitro

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Administrative data

Endpoint:
in vitro gene mutation study in bacteria
Remarks:
Type of genotoxicity: gene mutation
Data waiving:
other justification
Justification for data waiving:
other:

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: EEC Directive 2000/32, 4.D.
GLP compliance:
yes
Type of assay:
bacterial reverse mutation assay

Test material

Method

Species / strain
Species / strain / cell type:
bacteria, other: Salmonella typhimurium TA 1535, TA 1537, TA 100 and TA 98. Escherichia coli WP2 uvrA
Metabolic activation system:
S9 rat liver induced with Phenobarbital/.beta.Naphtoflavone.
Test concentrations with justification for top dose:
Concentration range in the main test (with metabolic activation): 3 ... 5000 µg/plate
Concentration range in the main test (without metabolic activation): 33 ... 5000 µg/plate
Vehicle / solvent:
Solvent: Dimethylsulfoxide (DMSO)

Results and discussion

Test resultsopen allclose all
Species / strain:
other: as specified above
Metabolic activation:
with
Cytotoxicity / choice of top concentrations:
cytotoxicity
Remarks:
(> 5000 µg/plate)
Species / strain:
other: as specified above
Metabolic activation:
without
Cytotoxicity / choice of top concentrations:
cytotoxicity
Remarks:
(> 5000 µg/plate)
Additional information on results:
Observations:
No toxic effects, evident as a reduction in the number of
revertants, occurred in the test groups with and without
metabolic activation.

No substantial increase in revertant colony numbers of any
of the five tester strains was observed following the
treatment with the test item at any dose level, neither in
the presence nor in the absence of metabolic activation.

No tendency of higher mutation rates with increasing
concentrations in the range below the generally acknowledged
border of biological relevance.

The test item did not induce gene mutations by base pair
changes or frameshits in the genome of the strains used, and
therefore was considered to be non-mutagenic.
Remarks on result:
other: other: preliminary 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