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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

Acutely harmful to aquatic algae

Key value for chemical safety assessment

Additional information

The growth of the algae Scenedesmus subspicatus (new name: Desmodesmus subspicatus) in presence of 3-methyl-2-butenal was tested in a test system set up according to German standard DIN 38412, part L9. The test was terminated after 72 hours and an EC50 of 22.4 mg/l was determined (BASF AG, 1991).