Registration Dossier
Registration Dossier
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EC number: 700-087-1 | CAS number: 201872-72-2
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
The ready biodegradability was evaluated in a CO2-evolution test according to OECD 301 B (modified storm test) and was assessed as "valid without
restrictions". The test item suspended in mineral medium was inoculated with activated sludge and maintained under aerobic conditions in diffuse light for 28 days. Degradation was followed by determination of the carbon dioxide produced and absorbed to sodium hydroxide via IC (inorganic carbon) measurement.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
The biodegradation rate showed a high variability and varied between -11.4 and 20.9% (mean = 7.8%) within 28 days (after acidification). The degradation rate did not pass the criterion for ready biodegradability.
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