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Short-term toxicity to aquatic invertebrates

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Description of key information

With high probability acutely notharmful to aquatic invertebrates.

Key value for chemical safety assessment

Additional information

The substance belongs to the category of perylene as indicated by its chemical core structure. Based on this structure and the chemical and biological stability of perylenes under environmental conditions, data from structural analogue perylenes can be used to cover this endpoint required under REACh.

A study on the toxicity of the analogue substance CAS 81-33-4 to Daphnia magna has been conducted according to OECD guideline 202 following a static test system setup [BASF SE, 2012]. At test termination after 48 h no toxicity was observed up to the limit of solubility of the test substance (EC50 > 0.0065 mg/L; measured).

The acute toxicity of the test substance to aquatic invertebrates has been examined in a GLP guideline study according to EEC Directive 92/32/EEC. The test animals of the species Daphnia magna were exposed to the test substance for 48 h in a static test system set up. At test termination an EC50 > 100 mg/l was determined [BASF AG, 1998]. Similar results were obtained for Perylen Schwarz/Black I (EC 479-300-2) and Perylen Schwarz/Black II (EC 475-310-6) were toxicity to Daphnia magna was examined in 48 hour static limit tests according to OECD guideline 202, respectively. At test termination an EC50 of > 100 mg/l based on nominal test substance concentrations was determined, respectively (BASF AG 2005, 2006).

Overall, the available data illustrate the absence of adverse effects for members of the category up to a concentration of 100 mg/L. Therefore, all members of the category are assessed to be not toxic to aquatic invertebrates.