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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

With high probability acute not harmful to algae.

Key value for chemical safety assessment

Additional information

Acute toxicity of IBDU to the green alga Scenedesmus subspicatus was determined according to the German Industrial Standard Guideline DIN 38412, part 9, using five test concentrations ranging from 31.25 to 500 mg/l (nominal) and an untreated control. The ErC50 (72 h) for the endpoint growth rate was > 500 mg/l (nominal) (BASF AG 1990).