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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Study period:
1980
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
publication
Title:
Screening of tobacco smoke constituents for mutagenicity using the Ames Test
Author:
Florin I
Year:
1980
Bibliographic source:
Toxicology, 18(3), 219-232

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 471 (Bacterial Reverse Mutation Assay)
GLP compliance:
not specified
Type of assay:
bacterial gene mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
Coumarin
EC Number:
202-086-7
EC Name:
Coumarin
Cas Number:
91-64-5
Molecular formula:
C9H6O2
IUPAC Name:
2H-chromen-2-one
Test material form:
solid: crystalline

Method

Species / strain
Species / strain / cell type:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Metabolic activation:
with and without
Test concentrations with justification for top dose:
3 umol/plate
Controls
Untreated negative controls:
no
Negative solvent / vehicle controls:
yes
True negative controls:
no
Positive controls:
yes
Positive control substance:
N-ethyl-N-nitro-N-nitrosoguanidine
other: 2-aminoanthracene

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:
no cytotoxicity
Vehicle controls validity:
valid
Remarks on result:
other: strain/cell type:
Remarks:
Migrated from field 'Test system'.

Any other information on results incl. tables

 The positive controls were N-methyl-N'-nitro-N-nitrosoguanidin (without activation) and 2-aminoanthracene (with activiation)

Applicant's summary and conclusion