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Short-term toxicity to aquatic invertebrates

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The acute toxicity to Daphnia magna was investigated according ot the OECD guideline 202. Due to rapid hydrolysis of the test item in the test medium, the results were expressed in terms of concentration of hydrolysis product (C4H11PSO3). Based on measured concentrations a 48-hour EC50 value of 5.2 mg/L hydrolysis product and a NOEC of 1.8 mg/L hydrolysis product were determined.

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