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Diss Factsheets
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EC number: 217-204-2 | CAS number: 1774-47-6
- 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
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_ecotoxicological-information.png)
Short-term toxicity to fish
Administrative data
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Well documented study according to international accepted guidelines and GLP compliant.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- other: Japanese MAFF 2-7-1-1, Acute Fish Toxicity in Data Requirements for Supplying the Registration of Agricultural Chemical Pesticides
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 203 (Fish, Acute Toxicity Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Trimethyloxosulphonium iodide
- EC Number:
- 217-204-2
- EC Name:
- Trimethyloxosulphonium iodide
- Cas Number:
- 1774-47-6
- Molecular formula:
- C3H9OS.I
- IUPAC Name:
- trimethyl(oxo)-λ⁶-sulfanylium iodide
- Test material form:
- solid: crystalline
- Details on test material:
- Name of test substance: Trimethylsulfoxonium iodide
CAS number: 1774-47-6
Purity: 99,5 %
Observed odour: Odourless
Quated solubility in water: Soluble
Observed appearance: Pale yellow crystalline powder
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- Test volume: 20 litres
Number of replicates: 1 replicate at each control and test concentration.
Test concentration: The test concentration was prepared by weighing 2.0 g of test substance and directly adding to 20 litres of dilution media to produce a test concentration of 100 mg/l.
The test solution was clear and colourless.
Test organisms
- Test organisms (species):
- Cyprinus carpio
- Details on test organisms:
- Mean length: 50.6 mm
Mean weight: 1.50 g
Seven carp were placed in each of the control and test vessels.
Study design
- Test type:
- semi-static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 96 h
Test conditions
- Hardness:
- The measured hardness of a sample of dilution water was 183 mg CaCo3/l.
- Test temperature:
- Range of test temperature values: 20.7 to 22.0 °C
- pH:
- Range of test pH values: 7.9 to 8.5
- Dissolved oxygen:
- Range of test dissolved oxygen values: 80 to 91 % ASV
- Nominal and measured concentrations:
- Concentrations: 0 and 100 mg/l
- Details on test conditions:
- The test vessels were maintained at 22.0 ± 2.0 °C with a photo period of 16 hours light and 8 hours dark.
- Reference substance (positive control):
- yes
- Remarks:
- Copper (II) Suplhate
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- > 100 mg/L
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Duration:
- 96 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 100 mg/L
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- In this Cyprinus carpio, Acute Toxicity Test for Trimethylsulfoxonium Iodide (CAS No. 1774-47-6) the results indicated that the test item is not hazardous to the aquatic environment.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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