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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Link to relevant study record(s)

Description of key information

If released to water, the multi-constituent substance is partly/moderately biodegradable.

Key value for chemical safety assessment

Additional information

To assess the potential of the multi-constituent substance Tinuvin 292 to biodegrade, results of a non-GLP study carried out with mixed sewage (from the secondary effluent of a sewage treatment plant, natural water and a suspension of garden soil) are available. The test procedures followed OECD guideline 301 E. Based on DOC removal a degradation rate of 38% after 28 days was reported in this test [Ciba-Geigy 1983].