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EC number: 287-401-6 | CAS number: 85507-79-5
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Biodegradation: Readily biodegradable but failing the 10-day window
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable but failing 10-day window
Additional information
Ready biodegradability has been determined with a non adapted activated sludge in the Modified Sturm test. The substance reached the 10% level (beginning of biodegradation) after 9 days. The test item did not reach the 60% pass level within the 10-day-window, but after 24 days. The substance is regarded, as a minimum, as inherently biodegradable and can be regarded as readily biodegradable though failing the 10 -day window criterium..
With adapted sludge, primary degradation in excess of 99% occurred over 28 days and ultimate degradation, measured as CO2 evolution, was 76% after 28 days.
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