Registration Dossier
Registration Dossier
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EC number: 201-126-0 | CAS number: 78-59-1
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Readily biodegradable (according to OECD criteria)
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
- Type of water:
- freshwater
Additional information
The biodegradability of isophorone (CAS 78 -59 -1) was studied in a "DOC-Die-Away Test" in accordance with EU method C4 -A. The results indicate that the test item is readily biodegradable under the present test conditions. Domestic activated sludge was used as inocolum in this study. 95% of the test item degraded within a period of 28 days (Huels AG, 1992). The 10-day window was passed after a lag phase of about of 8 days. Therefore, it can be concluded that the substance is readily biodegradable (according to OECD criteria).
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