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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Not readily biodegradable (according OECD criteria). 

Key value for chemical safety assessment

Biodegradation in water:
under test conditions no biodegradation observed

Additional information

The biodegradability of 'zinc phthalocyanine sulfonate' was tested in a GLP guideline study conducted in compliance with OECD 301 B (Ready Biodgradability: CO2 Evolution Test). Based on the CO2 evolution < 10% biodegradation of the substance was observed after 28 days by domestic activated sludge from a municipal sewage treatment plant [BASF SE, 2012].

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