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EC number: 700-235-5 | CAS number: 174899-82-2
- 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
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Study Plan dated: 24.Sep.2018; Experimantal Starting Date: 19.Mar.2019; Experimental Completion Date: 21.Mar.2019
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Version / remarks:
- 13. April 2004
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.2 (Acute Toxicity for Daphnia)
- Version / remarks:
- 30. May 2008
- Qualifier:
- according to guideline
- Guideline:
- other: OECD guidance document No.23, GUIDANCE DOCUMENT ON AQUATIC TOXICITY TESTING OF DIFFICULT SUBSTANCES AND MIXTURES
- Version / remarks:
- 06.Jul. 2018
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Landesamt für Umwelt; Kaiser-Friedrich-Straße 7, 55116 Mainz
Test material
- Reference substance name:
- 1-ethyl-3-methyl-1H-imidazol-3-ium; trifluoro[(trifluoromethanesulfonylazanidyl)sulfonyl]methane
- EC Number:
- 700-235-5
- Cas Number:
- 174899-82-2
- Molecular formula:
- C8H11F6N3O4S2
- IUPAC Name:
- 1-ethyl-3-methyl-1H-imidazol-3-ium; trifluoro[(trifluoromethanesulfonylazanidyl)sulfonyl]methane
- Test material form:
- liquid
- Details on test material:
- clear liquid, colorless
Constituent 1
- Specific details on test material used for the study:
- Source and lot/batch No.of test material: proionic GmbH, 25PI208_12
- Expiration date of the lot/batch: 01.05.2019
- Purity test date: EMIM+: 99.84.wt%; NTF2-: 99.95 wt%
- Storage condition of test material: room temperatur, in proper conditions
Sampling and analysis
- Analytical monitoring:
- yes
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- Species Daphnia magna
Authority STRAUS
Strain Berlin
Sex female
Age between 0 and 24 hours
Origin Umweltbundesamt Berlin
In-house breeding since 27. September 2007
Daphnia magna is bred in the LAUS GmbH throughout the year. The animals are kept for the use in toxicity tests. They multiply by parthenogenesis, thus being genetically identi-cal. The keeping is performed similar to the method described in the OECD guideline, fol-lowing SOP 115 002 01 („Zucht und Hälterung von Daphnia magna STRAUS“), version 12 from 02. Feb. 2015.
Vessels preserving glasses, nominal volume 2 L
Medium M4-Medium (recipe of ELENDT)
Food green algae (Desmodesmus subspicatus)
Medium renewal twice a week
Photo period 16/8 hours, using neon tubes
Temperature 20 2 °C
Study design
- Water media type:
- other: dilution water
- Limit test:
- yes
- Total exposure duration:
- 48 h
Test conditions
- Test temperature:
- 20.8 - 22.0 °C
- pH:
- Nominal Concentration in mg/L pH
0 h 48 h
Blank control 7.8 7.7
100 7.8 7.8 - Dissolved oxygen:
- Nominal Concentration in mg/L O2-Concentration in mg/L
0 h 48 h
Blank control 8.8 8.9
100 8.8 8.7 - Nominal and measured concentrations:
- Nominal
Concentration Calculated Concentration
Test Item test item in mg/L % of Nominal
mg/L t = 0 h t = 48 h mg/L mg/L
Blank control < LOQ < LOQ -- --
100 98.06 109.03 98 109 - Details on test conditions:
- Date of performance 19. – 21. March 2019
Treatments 100 mg/L (nominal concentration)
The concentrations to be tested are based on the result of a non-GLP pre-test.
Temperature 20.8 – 22.0 °C
Duration 48 hours
Observation times 24 and 48 hours
Medium renewal none
Test vessels glass beakers, nominal volume 50 mL, tall shape
Replicates (Treatments) 4 vessels, each containing 20 ± 5 mL test solution and 5 daphnia
Replicates (Blank control) 4 vessels, each containing 20 ± 5 mL dilution water and 5 daphnia - Reference substance (positive control):
- yes
- Remarks:
- Potassium dichromate K2Cr2O7 (CAS No. 7778-50-9)
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 110.1 mg/L
- Nominal / measured:
- nominal
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 110.1 mg/L
- Nominal / measured:
- nominal
- Duration:
- 48 h
- Dose descriptor:
- NOEC
- Effect conc.:
- >= 110.1 mg/L
- Nominal / measured:
- nominal
- Duration:
- 48 h
- Dose descriptor:
- LOEC
- Effect conc.:
- >= 110.1 mg/L
- Nominal / measured:
- nominal
Any other information on results incl. tables
None of the animals was immobilised in the blank control and the test solution. Therefore no statistical evaluation was performed
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Remarks:
- Immobilisation in the controls may not exceed 10% .Immobilisation in the controls was 0%.The concentration of dissolved oxygen at the end of the test must be at least 3mg/L.The lowest concentration of dissolved oxygen at the end of the test was 8.7mg/L.
- Executive summary:
One valid experiment was performed.
The study was performed as a limit test at 100 mg/L (nominal concentration). For each test concentration and the blank control, 20 Daphnia were exposed to the test item for 48 hours in a static test system. After 24 and 48 hours, the immobilised Daphnia were counted.
None of the animals was immobilised in the blank control and the test solution. Therefore no statistical evaluation was performed.
Potassium dichromate K2Cr2O7(CAS No. 7778-50-9) was used as positive control in a current reference study to assure that the test conditions are reliable.
At the beginning and at the end of the test, the content of the test item in the test solutions was determined using LC-MS-MS-determination. The concentration determined at the start of the test was 98 % of the nominal concentration. At the end of the test the determined concentration was 109 % of the nominal concentration. Therefore, the determination of the biological results was based on the nominal concentration (cf. Guidance Doc. No. 23 §176).
The following results were determined for the test item1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (species: Daphnia magna).48h-NOEC≥100 mg/L (nominal conc.)
48h-LOEC> 100mg/L (nominal conc.)
24h-EC50> 100 mg/L(nominal conc.)
48h-EC50> 100 mg/L(nominal conc.)
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