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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

The inhibition of the degradation activity of activated sludge is not anticipated when introduced to biological treatment plants in appropriate low concentrations.

Key value for chemical safety assessment

Additional information

For 2,5 -dihydrofuran data on the toxicity to microorganisms is available from an Activated Sludge Respiration Inhibition Test (OCED 209. BASF SE 2014; 08G0110/13G212). After 3 h exposure of the test substance to activated sludge an EC20 of 160 mg/L was estimated. The inhibition of the degradation activity of activated sludge is not anticipated when introduced to biological treatment plants in appropriate low concentrations.