Registration Dossier
Registration Dossier
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EC number: 214-416-7 | CAS number: 1126-09-6
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 1995
- Reliability:
- 2 (reliable with restrictions)
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- ISO 8692 (Water Quality - Fresh Water Algal Growth Inhibition Test with Scenedesmus subspicatus and Selenastrum capricornutum)
- Deviations:
- not specified
- GLP compliance:
- no
- Analytical monitoring:
- not specified
- Vehicle:
- not specified
- Test organisms (species):
- Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)
- Test type:
- not specified
- Water media type:
- freshwater
- Total exposure duration:
- 72 h
- Duration:
- 72 h
- Dose descriptor:
- IC50
- Effect conc.:
- 85 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- not specified
- Basis for effect:
- growth rate
- Conclusions:
- ICr50: 85 mg/L
The intermediate is not estimated to be toxic to algae.
Reference
Description of key information
Algae: IC50 (72 h): 85 mg/L
Key value for chemical safety assessment
Additional information
Lowest NOEC could be estimated to around mg/L (ChV/√2) as indicated in Practical Guide 5 - How to use and report (Q)SARs 3.0 (March 2016)
Intermediate substance is estimated to be / very toxic to aquatic algae. / very toxic to aquatic algae with long lasting effects. / toxic to aquatic algae with long lasting effects. / harmful to aquatic algae with long lasting effects. / is not estimated to be toxic to aquatic algae.
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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