Registration Dossier
Registration Dossier
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Reaction mass of 3,3'-(1E,1'E)-(4,4'-(6-(bis(2-hydroxyethyl)amino)-1,3,5-triazine-2,4-diyl)bis(azanediyl)bis(3-methoxy-4,1-phenylene))bis(diazene-2,1-diyl)dibenzenesulfonic acid and disodium 3,3'-[[6-[bis(2-hydroxyethyl)amino]-1,3,5-triazine-2,4-diyl]bis[imino(3-methoxy-4,1-phenylene)azo]]bis[benzenesulphonate]
EC number: 943-704-1 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Neither readily nor inherently biodegradable.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
No data on target substance was available, thus a read across approach was followed using data on Similar Substance 01. Details on the read across approach are attached in section 13.
Similar Substance 01 was investigated for its potential (inherent) ultimate biodegradability in a Zahn-Wellens / EMPA test over 28 days, based on the OECD 302 B. In the test flasks containing the test item and inoculum, the mean concentration of DOC (dissolved organic carbon) remained constant during the exposure period of 28 days; consequently, the substance was not biodegradable under the test conditions within 28 days. No DOC removal was observed during the first three hours of exposure, which is an indication that the test item did not adsorb on the activated sludge (inoculum).
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