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Environmental fate & pathways

Biodegradation in water: screening tests

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Link to relevant study record(s)

Description of key information

The source substance was found to be not biodegradable under the test conditions within the 28-day exposure period.
Remark: the test solution contains NaOH due to the production method.

Key value for chemical safety assessment

Biodegradation in water:
not biodegradable
Type of water:
freshwater

Additional information

In the toxicity control containing the source substance no inhibitory effect on microorganisms in inoculum was observed.


Due to the similarity of the target substance (EP1-Na) and the source substance (IBP1-Na) the result of this study is assessed to be adequate in order to fulfil the requirements of REACH. The read-across approach is further described in the document “Justification of read across from CAS No 53378-51-1 IBP1-Na (source) to CAS No 3338-24-7, EP1-Na (target)” attached in “Point 13 Assessment reports”.