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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Biodegradation in water: screening tests: 83% (oxygen consumption); OECD 301C.

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable

Additional information

Key data: Biodegradation of 83% (oxygen consumption) within 28 days was determined in a reliable study conducted according to an appropriate test protocol (OECD Guideline 301C), and in compliance with GLP.

Biodegradation of 83% was measured by biological oxygen demand (BOD) in a 28 day study conducted according to OECD 301C and in compliance with GLP. Abiotic (primary) degradation of 30% was measured by HPLC, and the degradants (hydrolysis products) identified as acetophenone and acetic acid. Both degradants are readily biodegradable. Biodegradation of 98% was measured by dissolved organic carbon (DOC) analysis.