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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Description of key information

In accordance with column 2 of REACH annex IX, further soil degradation testing (required in section does not need to be conducted as the chemical safety assessment does not indicate a need for further investigation. Low exposure is guaranteed, as no sludge application from STP on soil will be done and aerial deposition is negligible.
Furthermore, in the biodegradation test (see section 5.2.1), the substance 1,6-Dichlorohexane is classified as not readily biodegradable in the 10-d-window and after 61 days according to OECD guideline no. 310. However, the biodegradation of the test item came to 54 % after 61 days showing biodegradation with longer exposure times. Thus, further tests on biodegradation will not improve the quality of the risk assessment.

Key value for chemical safety assessment

Additional information