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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 mammalian cells
Remarks:
Type of genotoxicity: gene mutation
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: OECD guideline under GLP compliance

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 476 (In Vitro Mammalian Cell Gene Mutation Test)
GLP compliance:
yes (incl. QA statement)
Type of assay:
mammalian cell gene mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
Imidazole
EC Number:
206-019-2
EC Name:
Imidazole
Cas Number:
288-32-4
Molecular formula:
C3 H4 N2
IUPAC Name:
1H-imidazole
Test material form:
other: Solid, colorless to yellowish

Method

Species / strain
Species / strain / cell type:
mouse lymphoma L5178Y cells
Metabolic activation:
with and without
Metabolic activation system:
S9
Test concentrations with justification for top dose:
700 μg/mL (approx. 10 mM) Imidazole was used as top concentration both with and without S9 mix at 4 hour exposure time and without S9 mix at 24 hour exposure time
Controls
Untreated negative controls:
yes
Positive controls:
yes
Positive control substance:
cyclophosphamide
methylmethanesulfonate

Results and discussion

Test results
Species / strain:
mouse lymphoma L5178Y cells
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
no cytotoxicity

Applicant's summary and conclusion