Registration Dossier
Registration Dossier
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EC number: 606-274-3 | CAS number: 192389-48-3
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Within the test period of 28 days a degradation rate of 55 % was observed. The reference compound sodium benzoate showed 87 % degradation after 14 days (Caspers, 2002).
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
The study was conducted in accordance with the EU Method C.4-D (Determination of the "Ready" Biodegradability - Manometric Respirometry Test) which is in all essential parts identical with OECD Guideline 301 F to assess the ready biodegradability. A solution of the substance in a mineral medium was inoculated and incubated for 28 d under aerobic conditions and pH-values were in between 7.5 and 7.6. During this period, degradation was followed by BOD determinations. The substance showed 55 % biodegradation after 28 days and therefore has to be classified as "Not Readily Biodegradable".
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