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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Screening for ready biodegradability was performed by a manometric respiratory test.
Nopyl acetate is readily biodegradable.

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable

Additional information

Key study conducted according to OECD 301 F Guideline and GLP without deviation.

Nopyl acetate was tested at a concentration of 100 mg/L. The inoculum derived from domestic sewage sludge. Degradation was assessed by measurement of oxygen consumption.

The pass level for ready biodegradability was reached in the required 10-d window within the 28-d period of the test: 78% degradation on Day 28. This result can be used as key value for chemical safety assessment.