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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

Acutely harmful for aquatic invertebrates.

Key value for chemical safety assessment

Additional information

The toxicity of 4 -hydroxyacetophenone on aquatic invertebrates was tested in a static test according to the guideline TSCA 797.1300, using Daphnia magna as test organism. The 48 hour-EC50 value was 50 mg/L (EnviroSystems, 1991).