Registration Dossier
Registration Dossier
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EC number: 207-630-7 | CAS number: 486-25-9
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: Guideline study with sufficient documentation.
Data source
Reference
- Reference Type:
- publication
- Title:
- Toxicity of fluoranthene and its biodegradation metabolites to aquatic organisms
- Author:
- Ester Sepic, Mihael Bricelj, Hermina Leskovsek
- Year:
- 2 003
- Bibliographic source:
- Chemosphere 52 (2003) 1125–1133
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- ISO 8692 (Water Quality - Fresh Water Algal Growth Inhibition Test with Scenedesmus subspicatus and Selenastrum capricornutum)
- Version / remarks:
- 1989
- Deviations:
- yes
- Remarks:
- Modified ISO standard (Volenveider, 1974; ISO, 1989).
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Fluoren-9-one
- EC Number:
- 207-630-7
- EC Name:
- Fluoren-9-one
- Cas Number:
- 486-25-9
- Molecular formula:
- C13H8O
- IUPAC Name:
- 9H-fluoren-9-one
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
Test organisms
- Test organisms (species):
- Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)
- Details on test organisms:
- S. subspicatus from the National Institute of Biology (NIB, Ljubljana, Slovenia).
Study design
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 7 d
Results and discussion
Effect concentrations
- Duration:
- 7 d
- Dose descriptor:
- EC50
- Effect conc.:
- 7.1 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Remarks:
- regression method
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
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.
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