Registration Dossier
Registration Dossier
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EC number: 401-670-0 | CAS number: 79456-26-1 ACTF; P-007
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
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: GLP status not available
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
Materials and methods
Test guideline
- Guideline:
- other: 87/302/EEC
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 3-chloro-5-trifluoromethyl-2-pyridylamine
- EC Number:
- 401-670-0
- EC Name:
- 3-chloro-5-trifluoromethyl-2-pyridylamine
- Cas Number:
- 79456-26-1
- Molecular formula:
- C6H4ClF3N2
- IUPAC Name:
- 3-chloro-5-(trifluoromethyl)pyridin-2-amine
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test organisms
- Test organisms (species):
- Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)
Study design
- Test type:
- not specified
- Water media type:
- freshwater
Test conditions
- Hardness:
- 24 mg CaCO3/l
- Details on test conditions:
- Magnetic stirring
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 14 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 24.6 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 10 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- act. ingr.
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 10 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
Applicant's summary and conclusion
- Conclusions:
- 72-h EC50, Scenedesmus subspicatus: 14 mg/l based on biomass
- Executive summary:
72-h EC50, Scenedesmus subspicatus: 14 mg/l based on biomass
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