Registration Dossier
Registration Dossier
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EC number: 918-139-9 | CAS number: 1228577-90-9
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
The substance is classified as "not readily biodegradable". The substance exhibits inherent (primary) biodegradability, and therefore is not expected to persist indefinitely in the environment.
Key value for chemical safety assessment
- Biodegradation in water:
- inherently biodegradable, not fulfilling specific criteria
Additional information
Biodegradation in water was tested in two ready biodegradability studies according to OECD 301F and one inherent biodegradability study according to OECD 302B. Diaminotoluene, propoxylated showed 23% biodegradability in the first ready biodegradability test (Bayer, 2002) and 9% biodegradability in the second ready biodegradability test (ISOPA, 2003) . In the OECD302B test, 22% degradation was observed after 27 days. The substance is classified as "not readily biodegradable". The substance exhibits inherent (primary) biodegradability, and therefore is not expected to persist indefinitely in the environment. Structure activity relationship models (OASIS Catalogic 301C and OASIS Catalogic 301F) were used to predict potential biodegradation daughter products from three representative components of the UVCB substance. The prediction results provide additional evidence that neither the parent compounds nor biodegradation daughter products will persist indefinitely in the environment.
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