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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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:
July 2010
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 471 (Bacterial Reverse Mutation Assay)
GLP compliance:
yes (incl. QA statement)
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 3,5,6-trichloropyridin-2-olate
EC Number:
253-506-0
EC Name:
Sodium 3,5,6-trichloropyridin-2-olate
Cas Number:
37439-34-2
Molecular formula:
C5HCl3NONa
IUPAC Name:
sodium 3,5,6-trichloropyridin-2-olate
Details on test material:
- Name of test material (as cited in study report): 2(1H)-pyridinone, 3,5,6-trichloro-, sodium salt
- Physical state: solid
- Analytical purity: 100%
- Lot/batch No.: 2010040701
- Storage condition of test material: Room temperature in the dark until 16th April 2010 then app. 4 C in the dark thereafter
- Other:

Method

Target gene:
uvrB-
uvrA-
Species / strain
Species / strain / cell type:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Details on mammalian cell type (if applicable):
- Type and identity of media: liver microsomal preparation (rat)
Metabolic activation:
with and without
Metabolic activation system:
rat liver homogenate metabolising system (10% liver S9 in standard co factors)
Test concentrations with justification for top dose:
Salmonella strains: 5, 15, 50, 150, 500, 1500, 5000 ug/plate
E. coli strain WP2 uvrA-: 15, 50, 150, 500, 1500, 5000 ug/plate
Controlsopen allclose all
Positive controls:
yes
Positive control substance:
N-ethyl-N-nitro-N-nitrosoguanidine
Positive controls:
yes
Positive control substance:
9-aminoacridine
Positive controls:
yes
Positive control substance:
4-nitroquinoline-N-oxide
Positive controls:
yes
Positive control substance:
other: 2-aminoanthracene
Positive controls:
yes
Positive control substance:
benzo(a)pyrene

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
Vehicle controls validity:
valid
Untreated negative controls validity:
valid
Positive controls validity:
valid
Remarks on result:
other: all strains/cell types tested
Remarks:
Migrated from field 'Test system'.

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information):
negative

The test material was considered to be non-mutagenic under the conditions of test.