Registration Dossier
Registration Dossier
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EC number: 701-138-0 | CAS number: 242482-67-3
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
For both 6-(isononanoylamino)hexanoic acid, compound with 2,2’,2’’-nitrilotriethanol and 6-(isononanoylamino)hexanoic acid, reliable tests demonstrate ready biodegradability. The 10 day-window was fulfilled in the respective tests.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
Both, the key study performed with 6-(isononanoylamino)hexanoic acid, compound with 2,2’,2’’-nitrilotriethanol (reliability category 1) and the key study on 6-(isononanoylamino)hexanoic acid (reliability category 2) clearly demonstrate ready biodegradability (94% within 22 days and 98% within 28 days, respectively) in OECD 301 A-Tests (DOC Die-Away).
Additional tests on inherent biodegradability support these results. 6-(isononanoylamino)hexanoic acid, compound with 2,2’,2’’-nitrilotriethanol (97% within 11 days, RL1) and 6-(isononanoylamino)hexanoic acid (93% within 17 days; RL1) proved to be inherently biodegradable in Zahn-Wellens-tests (OECD 302 B). In both of the OECD 302 B-studies elimination due to adsorption was accounted for (determined however to be negligible).
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