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Short-term toxicity to aquatic invertebrates

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The acute toxicity of Cyclohexane, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethyl-, homopolymer, caprolactam-blocked to Daphnia magna was studied under static conditions according to EU method C2. Daphnids were exposed to the test item at one concentration (highest soluble concentration) for 48 h. No effects were observed up to the water solubility limit (<1 mg/L) indicating that the test substance does not pose a significant hazard to aquatic invertebrates.

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