Registration Dossier
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EC number: 671-177-5 | CAS number: 143314-16-3
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data

Genetic toxicity: in vitro
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:
- Experimental Starting date: 2015-04-07; experimental completion date: 2015-04-15
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 471 (Bacterial Reverse Mutation Assay)
- Version / remarks:
- resp. EU Method B.13/14 (Mutagenicity - Reverse Mutation Test Using Bacteria)
- Deviations:
- yes
- Remarks:
- The syntax of the test item name was changed, this can be seen as uncritical
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Landesamt für Umwelt, Wasserwirtschaft und Gewerbeaufsicht; Kaiser-Freidrich-Straße 7, D-55116 Mainz
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- 17PI120_1
- IUPAC Name:
- 17PI120_1
- Test material form:
- other: viscous liquid
- Details on test material:
- Stabilized EMIM BF4:
Appearance: lightly yellow clear viscous liquid
Purity: 93.36% (EMIM+, HPLC); 86.68% (BF4-, titration); 4.89% (Stabilizer, HPLC)
Constituent 1
Method
Species / strain
- Species / strain / cell type:
- other: 9005=S. typhimurium TA 1535, TA 97a, TA 98, TA 100 and TA 102
- Additional strain / cell type characteristics:
- other: lipopolysaccharide side chain deficiency
- Metabolic activation:
- with and without
- Test concentrations with justification for top dose:
- 1. Experiment:
5 concentrations of the test item ranging from 50 µg/plate to 5000 µg/plate using the plate incorporation method
2. Experiment
7 concentrations of the test item ranging from 78 µg/plate to 5000 µg/plate using the pre-incubation method - Vehicle / solvent:
- dimethyl sulfoxide (DMSO) was used as vehicle
Controls
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- True negative controls:
- yes
- Positive controls:
- yes
- Positive control substance:
- sodium azide
- benzo(a)pyrene
- other: 2-Amino-anthracene; 4-Nitro-1,2-phenylene Diamine
- Details on test system and experimental conditions:
- Specification:
Species Salmonella typhimurium LT2
Strains TA97a, TA98, TA100, TA102 and TA1535
Origin and culture:
Salmonella typhimurium (all strains used) were obtained from TRINOVA BioChem (batch of the bacteria strains: TA97a: 4904D, TA98: 4903D, TA100: 4902D, TA102: 4872D, TA1535: 4908D) and were stored as lyophilisates in the fridge at 2-8 °C.
One day before the start of each experiment, one lyophilisat per strain to be used was taken from the fridge to inoculate a culture vessel containing nutrient broth. After incubation overnight at 37 ± 1 °C, the cultures were used in the experiment. During the test, the cultures were stored at room temperature as to prevent changes in the titre. - Evaluation criteria:
- The colonies were counted visually, the numbers were recorded. A spreadsheet software (Microsoft Excel®) was used to calculate mean values and standard deviations of each treatment, solvent control and positive control.
The increase factor f(I) of revertant induction (mean revertants divided by mean spontaneous revertants) and the absolute number of revertants (“Rev. abs.”, mean revertants less mean spontaneous revertants) were also calculated.
A test item is considered to have mutagenic potential, if a significant, reproducible increase of revertant colonies per plate (increase factor 2) in at least one strain can be observed. A concentration-related in-crease over the range tested can also be taken as a sign of mutagenic activity.
Note: All calculations are performed with unrounded values. Therefore, re-calculation with rounded values may lead to slightly different results.
Results and discussion
Test results
- Species / strain:
- other: 4116=S. typhimurium TA 1535, TA 97a, TA 98 and TA 100
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- not specified
- 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 with metabolic activation and negative without metabolic activation
The test item stabilized EMIM BF4 is considered as “not mutagenic under the conditions of the test”. - Executive summary:
Two valid experiments were performed.
First Experiment:
Five concentrations of the test item, dissolved in dimethyl sulfoxide (ranging from 50 µg/plate to 5000 µg/plate) were used. 5 genetically changed strains ofSalmonella typhimurium(TA97a, TA98, TA100, TA102 (genetically manipulated) and TA1535) were exposed to the test item both in the presence and in the absence of a metabolic activation system (S9-mix, rat liver S9-mix induced by Aroclor 1254) for 48 h at 37 ± 1°C, using the plate incorporation method.
None of the concentrations caused a significant increase in the number of revertant colonies in the tested strains. The test item did not show any mutagenic effects in the first experiment.
The test item showed no precipitates on the plates in all tested concentrations
No signs of toxicity towards the bacteria could be observed.
The sterility control and the determination of the titre did not show any inconsistencies. The determined values for the spontaneous revertants of the negative controls were in the normal range. All positive controls showed mutagenic effects with and without metabolic activation.
Second Experiment:
To verify the results of the first experiment, a second experiment was performed, using 7 concentrations of the test item (ranging from 78 µg/plate to 5000 µg/plate) and a modification in study performance (pre-incubation method at 37 ± 1°C).
The test item did not show mutagenic effects in the second experiment, either.
The test item showed no precipitates on the plates in all tested concentrations.
No signs of toxicity towards the bacteria could be observed.
The sterility control and the determination of the titre did not show any inconsistencies. The determined values for the spontaneous revertants of the negative controls were in the normal range. All positive controls showed mutagenic effects with and without metabolic activation.
Under the conditions of the test, the test item did not show mutagenic effects towardsSalmonella typhimurium,strainsTA97a, TA98, TA100, TA102 and TA1535.
Therefore, no concentration-effect relationship could be determined.
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