Registration Dossier
Registration Dossier
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EC number: 944-399-8 | CAS number: -
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- See read across justification attached to section 13.
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 74 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- not specified
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 293 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- not specified
- Conclusions:
- 72-h NOEC: 74 mg/L
72-h EC50: 293 mg/L - Executive summary:
Based on the toxicity of the constituents, the effect concentration was calculated for the registered substance by concentration addition. For details see read across justification. The 72 -h NOEC is 74 mg/L; the 72 -h EC50 is 293 mg/L.
The results are considered relevant and reliable for the risk assessment.
Reference
Description of key information
EC50: 293 mg/L
NOEC: 74 mg/L
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 293 mg/L
- EC10 or NOEC for freshwater algae:
- 74 mg/L
Additional information
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