Registration Dossier
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EC number: 805-172-8 | CAS number: 65646-25-5
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Degradation of CHP was slow but progressive throughout the test after a 5-day lag period. Mean oxygen consumption in mixtures containing CHP was equivalent to 10% of the theoretical value (25 mg O2/500 mL) after approximately 11 days, which increased to 19% at the end of the test (Day 28). A biodegradation plateau was not considered achieved by the end of the test. Substances are considered to be readily biodegradable in this type of test if oxygenconsumption is equal to or greater than 60% of the ThOD of the test mixtures within ten days of the consumption achieving 10%. Therefore, CHP was not considered to be readily biodegradable under the conditions of this test.
Key value for chemical safety assessment
- Biodegradation in water:
- inherently biodegradable
Additional information
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