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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: 3a: Documentation insufficient for assessment

Data source

Reference
Reference Type:
secondary source
Title:
Salmonella mutagenicity tests: III. Results from the testing of 255 chemicals, Environ. Mol. Mutagen. 9(SUPPL.9):1-110
Author:
Zeiger,E, Anderson,B, Haworth,S, Lawlor,T, Mortelmans,K and Speck,W
Year:
1987
Bibliographic source:
CCRIS

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
No further details
GLP compliance:
not specified
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
Thiophene
EC Number:
203-729-4
EC Name:
Thiophene
Cas Number:
110-02-1
Molecular formula:
C4H4S
IUPAC Name:
thiophene

Method

Target gene:
Histidine
Species / strainopen allclose all
Species / strain / cell type:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Species / strain / cell type:
S. typhimurium TA 97
Metabolic activation:
with and without
Metabolic activation system:
RAT and HAMSTER, LIVER, S-9, AROCLOR 1254
Vehicle / solvent:
- Vehicle(s)/solvent(s) used: DMSO
Details on test system and experimental conditions:
METHOD OF APPLICATION: preincubation

Results and discussion

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information):
negative

The bacterial reverse mutation assay (Ames test) for thiophene was negative in all strains tested.