Registration Dossier
Registration Dossier
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EC number: 274-581-6 | CAS number: 70356-09-1
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
The substance was tested in an anaerobic test design and in an inehrently biodegradability study design, and in both tests the substance showed no biodegradation. Therefore, the substance is considered not to biodegrade.
Key value for chemical safety assessment
- Biodegradation in water:
- not biodegradable
- Type of water:
- freshwater
Additional information
There was early on evidence that Tert-butyl-4-methoxy-4'-dibenzoylmethane (BMDBM) would not be readily biodegradable under aerobic conditions. Therefore, an anaerobic biodegradation study was conducted, using digested sludge from a municipal wastewater treatment facility. The test result was also negative. The following study on inherent biodegradability revealed that the test item is not biodegradable.
Based on the ECHA guidance documents on biodegradability, if a study on inherent biodegradability reveals negative results, the substance shall be regarded as not biodegradable, and further testing shall not be considered. Therefore, simulation studies in soil were being waived.
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