Registration Dossier
Registration Dossier
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Coupling reaction products of diazotized 2-amino-6-[(2-substitued ethyl)sulfonyl]naphthalene-1-substituted acid with 4-({4-chloro-6-[ethyl(3-{[2-(substituted oxy)ethyl]sulfonyl}phenyl)amino]-heteromonocycl-2-yl}amino)-5-hydroxynaphthalene-2,7-disubstituted acid and their sodium and potassium salts
EC number: - | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
The substance is not biodegradable in tests on the ready and inherent biodegradability.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
The ready biodegradability and the inherent biodegradability of the test item FAT 40850/A TE were tested in two valid GLP studies according to EU Methods C.4-D and C.9, respectively. The substance did not fulfil the criteria for a readily biodegradable substance, but showed a certain potential for biodegradation under the test conditions since about 13% of the substance was found to be degraded after a period of 28 days. The potential for biodegradation could not be confirmed in the Zahn-Wellens test on inherent biodegradability and the substance was considered as not inherently biodegradable. It can be concluded that FAT 40850/A TE is not biodegradable.
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