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EC number: 280-349-5 | CAS number: 83261-15-8
- 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
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Non-GLP guideline study according to the German National Standard (DIN).
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
- Report date:
- 1989
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.2 (Acute Toxicity for Daphnia)
- GLP compliance:
- no
Test material
- Reference substance name:
- Isobutyl (S)-2-chloropropionate
- EC Number:
- 280-349-5
- EC Name:
- Isobutyl (S)-2-chloropropionate
- Cas Number:
- 83261-15-8
- Molecular formula:
- C7H13ClO2
- IUPAC Name:
- isobutyl (S)-2-chloropropanoate
- Reference substance name:
- Isobutyl-2-chloropropionate
- IUPAC Name:
- Isobutyl-2-chloropropionate
- Details on test material:
- - Name of test material (as cited in study report): L-Chlorpropionsaeureisobutylester
- no further details on test substance characteristics are given
Constituent 1
Constituent 2
Sampling and analysis
- Analytical monitoring:
- no
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- PREPARATION AND APPLICATION OF TEST SOLUTION
- Concentration of the stock solution: 200 mg/l nominal and 100 mg/L Tween80 (Merck).
- Eluate: The stocksolution was stirred for 60 min at 20 ± 2 °C
- Differential loading:
- Chemical name of vehicle (organic solvent, emulsifier or dispersant): Tween 80 (dispersant)
- Concentration of vehicle in test medium (stock solution and final test solution): stock solution: 100 mg/L
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- TEST ORGANISM
- Common name: Daphnia magna STRAUSS
- Source: Daphnia magna Straus was originally supplied from "Institut National de Recherche Chimique appliquee, France", and has been breeded from 1978 in the Laboratories of BASF.
- Age at study initiation: 2 - 24 hours old
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 48 h
Test conditions
- Hardness:
- 2.7 ± 0.5 mmol/L
- Test temperature:
- 19 - 21°C
- pH:
- 8.0 ± 0.5
- Dissolved oxygen:
- 7.5 - 9.1 mg/L
- Nominal and measured concentrations:
- Nominal: 6.25, 12.5, 25, 50, 100 and 200 mg/L
- Details on test conditions:
- TEST SYSTEM
- Test vessel:
- Type: open
- Material, size, headspace, fill volume: 20 ml glass tubes with flat bottom, 10 ml test volume
- Aeration: none
- No. of organisms per vessel: 5
- No. of vessels per concentration (replicates): 4
- No. of vessels per control (replicates): 4
- No. of vessels per vehicle control (replicates): 4
TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water: according to guideline
Total hardness: 2.20 - 3.20 mmol/L
Alkalinity up to pH 4.3: 0.8 - 1.0 mmol/L
Ratio Ca/Mg ions: about 4:1
pH value: 7.5 - 8.5
Conductivity: 600 - 700 µS/cm
OTHER TEST CONDITIONS
- Photoperiod: 16:8 hours, diffuse light (about 2-7 microeinstein/m*m*s (400-750 nm))
EFFECT PARAMETERS MEASURED
Observations: mobile daphnids after 24 and 48 h
Measurements: Temperature, pH and oxygen content after 0 and 48 h
TEST CONCENTRATIONS
Nominal test concentrations: 6.25, 12.5, 25, 50, 100 and 200 mg/L. A control was tested in parallel.
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 48 h
- Dose descriptor:
- EC0
- Effect conc.:
- 25 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 73 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Duration:
- 48 h
- Dose descriptor:
- EC100
- Effect conc.:
- 200 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Details on results:
- Effect concentrations after 24 h:
EC0 = 50 mg/L
EC50 = 87 mg/L
EC100 = 200 mg/L
Applicant's summary and conclusion
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.