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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Key value for chemical safety assessment

Additional information

The toxicity of 4 -hydroxyacetophenone on algae was tested in a static test according to the guideline TSCA 797.1050, using Selenastrum capricornutum as test organism. The 72 hour EC50 value based on growth rate was 11.8 mg/L (EnviroSystems, 1991).