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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Diss Factsheets

Environmental fate & pathways

Biodegradation in soil

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Description of key information

In accordance with column 2 of REACH Annex IX, the soil simulation test does not need to be conducted as the substance is readily biodegradable. 

Key value for chemical safety assessment

Additional information

The biodegradation of LAS-TEA may be further described by the biodegradation of LAS-Na and TEA according to the read-across statement in which full dissociation of the LAS-TEA in water is supported. For the soil compartment this is relevant for indirect applications via sludge application.

TEA is shown to biodegrade rapidly in soil, with max. half-life times of 1.8 days.

Further maximum mineralisation half-life was determined in soil of 5.4 days.

Half-life in sludge-amended soil after application of sludge of LAS-Na was >7 -<22 days based on recovered LAS-Na.