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EC number: 417-790-1
CAS number: 78418-01-6
Two acute studies (on fish and daphnia) and
one on algae were available for this substance.
First, in the 96 -hour acute toxicity study
on zebrafish (Brachydanio rerio), conducted under GLP and
following OECD guideline, the LC50(96h) were comprised between 10 to 16
Then, in the 48 -hour acute toxicity study
on Daphnia magna, conducted under GLP and following OECD
guideline, the EC50(48h) = 26.1 mg/L.
Finally, the 72 -hour acute toxicity study
on green algae (Scenedesmus subscpicatus), conducted under GLP
and following OECD guideline, the EC50(72h) = 160 mg/L
Therefore, based on the results of these
studies, the most sensitive species is zebrafish.
The LC50 is calculated by regression analysis
(assuming LC0 of 10 mg/L and LC100 of 16 mg/L). This gives a LC50 of 13
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