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Toxicity to aquatic algae and cyanobacteria

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Description of key information

The multi-constituent substance is acutely toxic for aquatic algae.

Key value for chemical safety assessment

Additional information

To determine the toxicity of the multi-constituent substance Tinuvin 292 to aquatic algae, a GLP study according to OECD Guideline 201 using Desmodesmus subspicatus as test organism was carried out. Based on growth rate an EC50 (72 h) of 1.68 mg/L (nominal) was determined [BASF SE 2010]. The NOEC (72 h) was 0.22 mg/L.