Registration Dossier
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EC number: 700-397-7 | CAS number: 847488-62-4
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
34.5 % degradation after 28 d [EU Method C.4-D; Ready Biodegradability: Manometric Respirometry Test; test item: structural analogue with EC 413-750-2]
36.2 % degradation after 28 d [inherent biodegradability, no guideline given; test item: structural analogue with EC 413-750-2]
Key value for chemical safety assessment
- Biodegradation in water:
- inherently biodegradable, not fulfilling specific criteria
Additional information
The structural analogue was determined to be not readily biodegradable (34.5 % degradation after 28 d in a GLP study according to EU Method C.4-D; Ready Biodegradability: Manometric Respirometry Test), but showed evidence of inherent, primary biodegradation (36.2 % degradation after 28 d in a GLP study; inherent biodegradability, guideline not specified). In the latter, degradation of the test substance was slow but progressive throughout; a degradation plateau was not attained in the test. Substances are considered to show evidence of inherent, primary biodegradation in this type of test if a significant level of degradation (> 20%, but < 70 %) has been achieved after 28 days.
Since EC 700-397-7 is a near analogue to the test substance (EC 413-750-2), the experimental data from this substance were used in a read-across approach.
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