Registration Dossier
Registration Dossier
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EC number: 439-600-6 | CAS number: -
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
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 000
- Report date:
- 2000
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- ISO 8692 (Water Quality - Fresh Water Algal Growth Inhibition Test with Scenedesmus subspicatus and Selenastrum capricornutum)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.3 (Algal Inhibition test)
- Deviations:
- no
Test material
Constituent 1
Test organisms
- Test organisms (species):
- Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum)
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 72 h
Test conditions
- Reference substance (positive control):
- yes
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC10
- Effect conc.:
- 0.07 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other:
- Basis for effect:
- cell number
- Remarks on result:
- other:
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 0.74 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other:
- Basis for effect:
- cell number
- Remarks on result:
- other:
- Duration:
- 72 h
- Dose descriptor:
- EC100
- Effect conc.:
- 13.6 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other:
- Basis for effect:
- cell number
- Remarks on result:
- other:
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 0.3 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other:
- Basis for effect:
- cell number
- Duration:
- 72 h
- Dose descriptor:
- EC10
- Effect conc.:
- 0.31 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other:
- Basis for effect:
- growth rate
- Remarks on result:
- other:
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 6.4 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other:
- Basis for effect:
- growth rate
- Remarks on result:
- other:
- Duration:
- 72 h
- Dose descriptor:
- EC100
- Effect conc.:
- 281 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other:
- Basis for effect:
- growth rate
- Remarks on result:
- other:
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 0.3 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other:
- Basis for effect:
- growth rate
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
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