Registration Dossier
Registration Dossier
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EC number: 279-588-8 | CAS number: 80866-84-8
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- (Q)SAR
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Justification for type of information:
- QSAR prediction
- Guideline:
- other: REACH Guidance on (Q)SAR
- Principles of method if other than guideline:
- (Q)SAR
- Test organisms (species):
- other: Green algae
- Test type:
- other: (Q)SAR
- Water media type:
- freshwater
- Duration:
- 96 h
- Dose descriptor:
- EC50
- Effect conc.:
- 481 000 mg/L
- Dose descriptor:
- other: Chronic Value (ChV)
- Effect conc.:
- 246 000 mg/L
- Basis for effect:
- growth rate
- Validity criteria fulfilled:
- yes
- Remarks:
- Phenols: Maximum LogKow: 7.0 (Green Algae EC50) - 8.0 (Chronic Value)
- Conclusions:
- Estimated EC50 : 481.000 mg/L
Estimated Chronic Value : 246.000 mg/L
Intermediate substance is not estimated to be toxic to aquatic algae.
Reference
Description of key information
Short-term toxicity:
ECOSAR 1.11: Green Algae: EC50 (96h): 481.000 mg/L
Long-term toxicity:
Indicated results for chronic toxicity are "Chronic values" as obtained from ECOSAR 1.11
ECOSAR 1.11: Green Algae: ChV: 246.000 mg/L
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 481 000 mg/L
- EC10 or NOEC for freshwater algae:
- 246 000 mg/L
Additional information
Intermediate substance is not estimated to be toxic to aquatic algae.
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