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Long-term toxicity to aquatic invertebrates

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To assess the long-term toxicity of CAS 27614 -71 -7 to aquatic invertebrates, read across was performed to the structural analogue substances CAS 1328-53-6 and CAS 147-14-8.

The long-term toxicity of Phthalocyanines to Daphnia magna was investigated by a test on CAS 147-14-8 following OECD guideline 211. The semi-static test system was run for 21 days. Mortality and reproduction rate of Daphnia were recorded. A NOEC >1 mg/l was determined (Hoechst Marion Roussel 1999). In a second test following OECD guideline 211 the long-term toxicity of CAS 1328-53-6 was determined. D. magna was exposed to the substance for 21 days. Regarding the reproduction of the animals a NOEC >= 1 mg/l was determined (BASF AG 2000). Both tests were run without analytical monitoring.