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EC number: 253-057-0
CAS number: 36483-57-5
Acute Toxicity Study in Daphnia Magna with FR -513 (static)
toxicity test was performed in Daphnia magna . The daphnia were exposed
to a concentration range of 0.1 to 100 mg/L of FR-513 (range finding
test) . All daphnia exposed to nominal conc. of 100 mg/l became
immobilised within 24 hours. The project was continued with the main
test exposing daphnia to blank-control and a nominal conc. of 10, 18,
32, 56 and 100 mg/l FR-513 for 48 hr. FR-513 did not induced acute
immobilisation at nominal conc. of 32 mg/l after 48 hr of exposure. The
48 hr EC50 was based on nominal concentrations was 64 mg/l (95%
confidence interval between 58 and 75 mg/l).
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