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EC number: 946-188-6
CAS number: -
A study was performed to assess the acute toxicity of the test item to rainbow trout (Oncorhynchus mykiss). The method followed was designed to be compatible with the OECD Guidelines for Testing of Chemicals (1992) No 203, "Fish, Acute Toxicity Test" referenced as Method C.1 of Commission Regulation (EC) No. 440/2008.
Following a preliminary range‑finding test, seven fish were exposed to an aqueous dispersion of the test item, at a single concentration of 100 mg/L for a period of 96 hours at a temperature of 14 ºC to 15 °C under semi‑static test conditions. The number of mortalities and any sub‑lethal effects of exposure in each test and control vessel were determined 1, 3 and 6 hours after the start of exposure and then daily throughout the test until termination after 96 hours.
Exposure of rainbow trout (Oncorhynchus mykiss) to the test item gave LC50 values based on the nominal test concentration of greater than 100 mg/L. The No Observed Effect Concentration (NOEC) was 100 mg/L.
The NOEC in rainbow trouts was at 100 mg/L, the highest tested concentration in a GLP study performed in accordance with current OECD and EU test guidelines.
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