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EC number: 601-419-7 | CAS number: 1162-60-3
Table 1: Number of Introduced Daphnids and Incidence of Immobility
Test item; %SS prep. at 100 mg/L
( ) - Number of daphnids observed trapped at the surface of the test solutions. These organisms were reimmersed into the respective solutions before recording of mobility.
In a 48 h acute toxicity test conducted according to OECD guideline 202, Daphnia magna were exposed to an untreated control 1.0, 10 and 100% of saturated solutions of the test item prepared at a loading rate of 100 mg/L (5 daphnids per vessel, 4 replicates for control and 100% of SS, 2 replicates for 1.0 and 10% of SS). Measured concentration in 100% of SS was 1.95 mg/L at start and end of the test. No immobility was observed in the control or any of the test concentrations throughout the test. The 48h-EC50 was >2.0 mg/L, being considered the maximum soluble concentration of the test item in test medium at a loading rate of 100 mg/L. The study met all validity criteria and is considered to be reliable without restrictions.
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