Registration Dossier
Registration Dossier
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EC number: 239-557-1 | CAS number: 15520-11-3
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
In a modified Sturm test according OECD 301B the test substance bis(4-tert-butylcyclohexyl) peroxydicarbonate could not be demonstrated to be readily biodegradable under the chosen test conditions.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
A five-day bacterial inhibition assay employing the conditions of the closed bottle test (OECD 301D) showed that bis(4-tert-butylcyclohexyl) peroxydicarbonate was not inhibitory to microorganisms. This experiment served as a surrogate for a toxicity control to the subsequently performed modified Sturm test. Bis(4-tert-butylcyclohexyl) peroxydicarbonate was not readily degraded in the modified Sturm test according OECD 301B. Cumulative CO2 production by inocula containing the test substance was equivalent to a maximum of 3 % of its ThCO2 (2.43 mg CO2/mg), indicating that it was not degraded under the conditions of the test.
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