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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Not readily or inherently biodegradable

Key value for chemical safety assessment

Biodegradation in water:
under test conditions no biodegradation observed

Additional information

Reactive Blue FC 75311 displays a low ready biodegradability in that it achieved 0% biodegradation in a 28-day study closed bottle test and was not inherently biodegradable, achieving 0% biodegradation in a modified Zahn-Wellens test. This indicates that the substance is unlikely to achieve a half life of less than 40 or 60 days within fresh water attributed to ready biodegradation alone.