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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Key study: OECD 301F, EU Method C.4-D. GLP study. The substance is not readily biodegradable under the test conditions.

Key value for chemical safety assessment

Biodegradation in water:
under test conditions no biodegradation observed

Additional information

Key study: The determination of the ready biodegradability of the substance in an aerobic aqueous medium with manometric respirometry method was carried out according to OECD 301F and EU C.4-D Method (GLP study). After correction, for oxygen uptake for interference by nitrification and by the blank inoculum control, the biodegradation of test item on 28th test day was 0.0%. The substance is therefore, not readily biodegradable under test conditions. In the toxicity test, less than 25% of biodegradation (based on ThOD) occurred in 28 days and the test item can be assumed to be inhibitory.