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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
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Annex V, B14
GLP compliance:
yes
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
4,6-bis(octylthiomethyl)-o-cresol
EC Number:
402-860-6
EC Name:
4,6-bis(octylthiomethyl)-o-cresol
Cas Number:
110553-27-0
Molecular formula:
C25H44OS2
IUPAC Name:
4,6-bis(octylthiomethyl)-o-cresol

Method

Species / strain
Species / strain / cell type:
bacteria, other: Salmonella Typhimurium, TA 98, TA 200, TA 1535 and TA 1537
Metabolic activation:
with and without
Metabolic activation system:
0.3 ml of S9 fraction of liver from rats (Tif: RAlf (SPF)) induced with Aroclor 1254 and 0.7 ml of a solution f co-factors.
Test concentrations with justification for top dose:
Concentration range in the main test (with metabolic activation): 20...5000 microg/plate
Concentration range in the main test (without metabolic activation): 20...5000 microg/plate
Vehicle / solvent:
solvent: acetone

Results and discussion

Test results
Species / strain:
other: Salmonella Typhimurium, TA 98, TA 200, TA 1535 and TA 1537
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
no cytotoxicity

Applicant's summary and conclusion

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