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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Expected as not readily biodegradable.

Key value for chemical safety assessment

Additional information

The substance is a antraquinone derivavive dye. The substance is not expected to be ready biodegradable because of its chemical structure and its specific function. Commonly, dyes undergo a primary transformation, i.e. discolourization due to the interrupting the conjugation. Nevertheless, the degradation process involves more steps and take more time.

The QSAR based screening criterion for identifying substances for persistency (P and vP) confirmed that the substance is expected to be not readili biodegradable.