Registration Dossier
Registration Dossier
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EC number: 700-155-0 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
“Peroxidised Corn Oil” should be regarded “readily biodegradable”.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
“Peroxidised Corn Oil” was tested for biodegradability according to 'CO2-Evolution-Test' (OECD Guideline 301B) and GLP.
Calculated from the organic carbon content of the test item and the measured CO2 generation, 95% of the theoretical CO2 (ThCO2) has been generated by the test item within 28 d of test period in the first culture with 47.3 mg of test item. 94% of the theoretical CO2 (ThCO2) has been generated by the test item within 28 d in the second culture with 47.3 mg of test item. The calculated mean degradation value of the test item was 94%. The threshold of ready biodegradability of 60% ThCO2was achieved in both test solutions, the “10-days-window" being met, too.
Thus, the test item “Peroxidised Corn Oil” should be regarded “readily biodegradable”.
The total CO2-evolution of the Blank was 71 mg CO2 being in the requested range of the OECD test guideline 301B. The control item sodium benzoate was degraded 91% the threshold of 60% degradation being met within 6 days. Thus, all conditions of validity were met and the test is regarded to be valid. The results obtained with the toxicity control indicate that there was no toxicity of the test item towards microorganisms at the concentration used within the test.
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