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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Administrative data

Link to relevant study record(s)

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).