Registration Dossier
Registration Dossier
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EC number: 217-533-1 | CAS number: 1879-09-0
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Key value determined to Japanese test guideline.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 6 mg/L
- EC10 or NOEC for freshwater algae:
- 0.38 mg/L
Additional information
50% growth inhibition concentration ErC50 (0-48): 5.4 mg/L (95% confidence limit: 5.0-5.9 mg/L)
Maximum no effect concentration NOEC (Rate 0-48): 0.40 mg/L
50% growth inhibition concentration ErC50 (0-72): 6.0 mg/L (95% confidence limit: 5.3-6.6 mg/L)
Maximum no effect concentration NOEC (Rate 0-72): 0.38 mg/L
On the basis of the results noted in the study, classification under the CLP Regulation (EC No 1272/2008 is as follows:
Chronic aquatic toxicity, Category 2; H411: Toxic to aquatic life with long lasting effects.
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