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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

biodegradation in soil: simulation testing
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because direct and indirect exposure of soil is unlikely
Transformation products:
not measured

Description of key information

The performance of tests for biodegradation in soil is scientifically unjustified. REACH Regulation (EC) No 1907/2006, Annex IX, Sect., Col. 2, states as follows: “ The study need not to be conducted: - if the substance is readily biodegradable, or - if direct and indirect exposure of soil is unlikely. ” Direct and indirect exposure of the test item to soil is unlikely. Due to the rapid hydrolysis it can be assumed that upon contact with soil, the test item undergoes rapid degradation within minutes resulting in the formation of respective degradation products. In addition the low n-octanol-water partition coefficient of the test item (log Kow=2.92, calculated using EPIWIN, KOWWIN v1.68) indicates a low adsortion potential and a low dwell time of the test item in soil and thus a low exposure. Therefore, simulation testing for biodegradation in soil was considered not scientifically justified.

Key value for chemical safety assessment

Additional information