Registration Dossier
Registration Dossier
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EC number: 219-376-4 | CAS number: 2426-08-6
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
The 96h-LC50 value is 65 mg/L in species Oncorhynchus mykiss.
Key value for chemical safety assessment
Additional information
The short-term toxicity to freshwater fish was determined in a study, where groups of 10 animals (O. mykiss) were exposed for 96 hours to nominal test concentrations of 0 (control), 10, 20, 50, 100 and 200 mg/L. The test concentrations were not analytically verified. The study was semi-static with a 24-hour renewal of test media. Fish were assessed on mortality every 24 hours. No mortality occurred up to a test concentration of 20 mg/L. At the test concentration of 50 mg/L 1 fish was dead after 96 hours exposure, whereas all fish were dead at the two highest concentrations of 100 and 200 mg/L. At 200 mg/L, all 10 fish were dead after the first 24 hours. Based on these results, the 96-h LC50 was estimated to be 65 mg/L.
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