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EC number: 695-938-6 | CAS number: 678966-16-0
- 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
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Genetic toxicity: in vitro
Administrative data
- Endpoint:
- in vitro gene mutation study in bacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 020
- Report date:
- 2020
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.13/14 (Mutagenicity - Reverse Mutation Test Using Bacteria)
- 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
- Reference substance name:
- Lithium bis[ethanedioato(2-)-κO1,κO2]difluorophosphate(1-)
- EC Number:
- 695-938-6
- Cas Number:
- 678966-16-0
- Molecular formula:
- F2C4PLiO8
- IUPAC Name:
- Lithium bis[ethanedioato(2-)-κO1,κO2]difluorophosphate(1-)
- Test material form:
- solid: particulate/powder
Constituent 1
Method
- Target gene:
- TA98, TA100, TA102, TA1535 and TA1537
Species / strain
- Species / strain / cell type:
- S. typhimurium TA 1535, TA 1537, TA 98, TA 100 and TA 102
- Metabolic activation:
- with and without
- Metabolic activation system:
- S9-mix
- Test concentrations with justification for top dose:
- 5000 µg/plate
- Vehicle / solvent:
- H2O
Controls
- Negative solvent / vehicle controls:
- yes
- Remarks:
- Dimethylsulfoxide (DMSO), CAS No. 67- 68- 5, for the positive controls 4-Nitro-1,2-phenylene diamine, benzo-a-pyrene and 2-amino-anthracene Demineralized water, prepared by LAUS GmbH, from an ion-exchanger
- Positive controls:
- yes
- Positive control substance:
- sodium azide
- benzo(a)pyrene
- other: 4-Nitro-1,2-phenylene diamine, 2-Amino-Anthracene
- Details on test system and experimental conditions:
- 7.1 Culture of Bacteria
On the day before the start of each experiment, a nutrient broth (Oxoid nutrient broth no. 2) was inoculated with one lyophilizate per strain at 4:00 pm.
These overnight cultures were placed in the heating chamber at 37 ± 1 °C for 16 hours.
For the last two hours the overnight cultures were shaken on an orbital shaker (150 rpm) at 37 ± 1 °C.
Afterwards, the overnight cultures were ready for usage in the experiment.
During the test, the overnight cultures were stored at room temperature (20 ± 5 °C) as to prevent changes in the titre.
7.2 Conduct of Experiment
7.2.1 Preparations
Different media and solutions were prepared preliminary (exact production dates are doc-umented in the raw data).
On the day of the test, the bacteria cultures were checked for growth visually. The incuba-tion chambers were heated to 37 ± 1 °C. The water bath was turned to 43 ± 1 °C. The table surface was disinfected.
The S9 mix was freshly prepared and stored at 0 °C. - Evaluation criteria:
- The colonies were counted visually and the numbers were recorded. A validated spread-sheet software (Microsoft Excel®) was used to calculate mean values and standard devia-tions of each treatment, solvent control and positive control.
The mean values and standard deviations of each threefold determination was calculated as well as the increase factor f(l) of revertant induction (mean revertants divided by mean spontaneous revertants) of the test item solutions and the positive controls. Additionally, the absolute number of revertants (Rev. Abs.) (mean revertants minus mean spontaneous revertants) was given.
Five different analyzable and non-toxic concentrations should be used for the evaluation of the mutagenic potential of the test item.
A substance is considered to be mutagenic, if a reproducible increase with or without met-abolic activation of revertant colonies per plate exceeding an increase factor of 2 for the bacteria strains TA98, TA100, TA102, TA1535 and TA1537 compared to vehicle controls in at least one strain can be observed.
A concentration-related increase over the range tested is also taken as a sign of mutagen-ic activity.
A substance is not mutagenic if it does not meet these criteria.
If the criteria listed above are not clearly met, the results will be assessed as equivocal and will be discussed.
Tables of results and, if applicable, graphs of the values are included in this final report. It is stated, at which concentration (mg or µg/plate) mutagenicity could be observed. The lowest concentration which showed mutagenicity is decisive of the assessment of the test item.
Results and discussion
Test resultsopen allclose all
- Key result
- Species / strain:
- S. typhimurium TA 1537
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Key result
- Species / strain:
- S. typhimurium TA 98
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Key result
- Species / strain:
- S. typhimurium TA 100
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Key result
- Species / strain:
- S. typhimurium TA 102
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Key result
- Species / strain:
- S. typhimurium TA 1535
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
Applicant's summary and conclusion
- Conclusions:
- Based on the results of this study it is concluded that Lithium difluorobis(oxalate)phosphate is not mutagenic in the Salmonella typhimurium test strains TA98, TA100, TA102, TA1535 and TA1537 in the absence and presence of metabolic activation under the experimental conditions in the present study.
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