Registration Dossier
Registration Dossier
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EC number: 700-233-4 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
If released into water, the mixture is readily biodegradable.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
In a ready biodegradation test conducted in Japan the test item achieved 97% biodegradation after 28 days based on test material analyses and 73% biodegradation after 28 days based on oxygen consumption.
In an OECD 301B ready biodegradation test conducted in China the test item achieved 57% biodegradation after 28 days.
In an OECD 302C inherent biodegradation test conducted in China the test item achieved 90% biodegradation after 28 days.
In an OECD 301B ready biodegradation test conducted in the UK the test item exhibited 3% biodegradation after 28 days, however this study is deemed unreliable due to confounding by the use of silica gel. Evidence indicates that the test item was strongly adsorbed onto silica gel resulting in significantly reduced bioavailability and biodegradation potential. ECHA (2008) guidance on interpretation of multiple biodegradation studies that “consistent positive test results from tests should generally supersede negative test results”. There is significant primary and alternative experimental evidence indicating this test item biodegrades.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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