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EC number: 261-118-8 | CAS number: 58096-47-2
- 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
Toxicity to aquatic algae and cyanobacteria
Administrative data
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 08/12/2017 to 15/01/2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- Deviations:
- not specified
- GLP compliance:
- no
- Remarks:
- Lab not yet GLP accredited for this end point
Test material
- Reference substance name:
- Decahydro-1,1,7-trimethyl-3a,7-methano-3aH-cyclopentacyclooct-3-yl formate
- EC Number:
- 261-118-8
- EC Name:
- Decahydro-1,1,7-trimethyl-3a,7-methano-3aH-cyclopentacyclooct-3-yl formate
- Cas Number:
- 58096-47-2
- Molecular formula:
- C16H26O2
- IUPAC Name:
- decahydro-1,1,7-trimethyl-3a,7-methano-3aH-cyclopentacyclooct-3-yl formate
- Test material form:
- liquid
Constituent 1
- Specific details on test material used for the study:
- CAS No: 58096-47-2
EC No: 261-118-8
Chemical Name: Decahydro-1,1,7-trimethyl-3a,7-methano-3aH-cyclopentacyclooct-3-yl formate
Trade Name: Clovanyl-3-Formate (CARYOLAN)
Molecular formula: C16H26O2
Molecular weight: 250.379
Sampling and analysis
- Analytical monitoring:
- yes
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- Preparation of stock solution: 100 mg test sample dissolved in 100 mg of dimethyl formamide and diluted to 100 ml in volumetric flask. (1000ppm)
Preparation of test solution: 0.7 ml pre-culture + 5 ml sample stock solution diluted to 50 ml with test media (Test volume = 50 ml)
Test organisms
- Test organisms (species):
- Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 72 h
Test conditions
- Hardness:
- Not reported
- Test temperature:
- 22 ± 2 ˚C
- pH:
- initial 6.8 and final 7.0
- Dissolved oxygen:
- Not reported
- Salinity:
- Not reported
- Conductivity:
- Not reported
- Nominal and measured concentrations:
- 100 mg/L test solution
- Details on test conditions:
- RPM of orbital shaker: 125 rpm
Temperature: 22 ± 2 ˚C
Duration: 72 hours (10.01.2018 to 13.01.2018)
pH: initial 6.8 and final 7.0 .
Pre-culture: Cell concentration 70.8 x 10 4 cells/ml in AAP media.
Vehicle used: Dimethyl formamide (100 ppm) - Reference substance (positive control):
- not specified
Results and discussion
Effect concentrations
- Key result
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- meas. (initial)
- Conc. based on:
- test mat.
- Basis for effect:
- cell number
- Details on results:
- EC50 value for the test substance was found to be >100 ppm.
Growth inhibition in sample + vehicle is negative than growth inhibition in vehicle alone.
As the sample is likely to have low volatility (considering high boiling point and low vapour pressure), this would indicate probably some kind of synergistic effect.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- EC50 value for the test substance was found to be >100 ppm.
- Executive summary:
Based on the cell counts and percentage growth inhibition of algae, the EC50 value of the test substance as determined by the OECD 201 method was found to be > 100 ppm. This indicates that the chemical is not likely to exhibit aquatic toxicity and hence has not be classified as such.
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