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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

According to OECD Guideline 301F (manometric respirometry) the substance shows no biodegradation

Key value for chemical safety assessment

Biodegradation in water:
under test conditions no biodegradation observed

Additional information

Test substance concentration, as recommended in the guideline was 100 mg/L but it is observed no biodegradation of the reference substance in the inhibition control (same concentration of the test substance). The substance is inhibitory to bacteria at such high test concentration.

It is therefore not possible to conclude on ready biodegradability, another guideline with lower test concentration, such as the CBT (OECD 301D), should be applied.