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EC number: 306-060-7 | CAS number: 95873-69-1
Acute toxicity of Sodium [(6-hydroxy-4-methyl-2-oxo-2H-1-benzopyran-7-yl)oxy]acetate on Daphnia magna was assessed in an Acute immobilisation test, over an exposure period of 48 hours in a static test system.
Because no toxic response was observed during the preliminary range-finding test, a Limit Test was carried out using only one test concentration (100 mg/L) and one control groupin the definitive test. The test concentration was analytically determined at the start and at the end of the experiment. Measured concentration was 99.2 mg/L at the start and 101 mg/L at the end of the experiment. As the measured concentration deviated not more than 20 per cent from the nominal, biological results are based on the nominal concentration. Twenty animals, divided into four groups (glass beaker) of five animals each were used at the test concentration and for the control.
All validity criteria were met during this study.
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