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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
3-ethyl-1-methyl-1H-Imidazolium salt with N-cyanocyanamide (1:1)
EC Number:
609-330-5
Cas Number:
370865-89-7
Molecular formula:
C6 H11 N2 .C2 N3
IUPAC Name:
3-ethyl-1-methyl-1H-Imidazolium salt with N-cyanocyanamide (1:1)
Specific details on test material used for the study:
- Name of the test material (as cited in study report): EMIM Dicyanamid
- Purity/composition: 97.4 g/100 g

Method

Species / strain
Species / strain / cell type:
S. typhimurium TA 1535, TA 1537, TA 98, TA 100 and E. coli WP2
Metabolic activation:
with and without
Metabolic activation system:
liver S9 mix from induced rats
Test concentrations with justification for top dose:
33 µg - 5200 µg/plate (dose levels for Standard Plate Test and Preincubation Test)
Vehicle / solvent:
Due to the good solubility of the test substance in ultrapure water, ultrapure water was used as vehicle.
Controls
Untreated negative controls:
yes
Negative solvent / vehicle controls:
yes
True negative controls:
yes
Positive controls:
yes
Positive control substance:
4-nitroquinoline-N-oxide
9-aminoacridine
other: 2-aminoanthracene; N-methyl-N'-nitro-N-nitrosoguanidine, 4-nitro-o-phenylenediamine
Details on test system and experimental conditions:
Standard Plate Test and Preincubation Test

Results and discussion

Test results
Key result
Species / strain:
other: S. typhimurium TA 1535, TA 1537, TA 98, TA 100 and E. coli WP2
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
other: No bacteriotoxic effect was observed under all test conditions.
Vehicle controls validity:
valid
Untreated negative controls validity:
valid
Positive controls validity:
valid
Additional information on results:
No precipitation of the test substance was found with and without S9 mix.

Applicant's summary and conclusion

Conclusions:
GHS criteria not met