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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Alkenes C10-12, C11 rich are considered to be readily biodegradable.

Key value for chemical safety assessment

Additional information

A standard biodegradation screening study is not available for Alkenes C10 -12, C11 rich. Instead, data has been read across from a category member with a similar carbon number range. Turner and Watkinson (1985) conducted a closed bottle ready biodegradation screening study with alkenes C10/11/12/13. After 28 days 60 -67 biodegradation was observed, indicating that the test substance is readily biodegradable. The same study reports results from a Modified Sturm test which showed 32 -43% biodegradation over 28 days.

These results allow us to conclude that alkenes C10 -12, C11 rich are readily biodegradable.