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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Adsorption / desorption

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Administrative data

Link to relevant study record(s)

Description of key information

After exposure to soil, significant adsorption to solid soil phase (e.g. clay) is not expected.

Key value for chemical safety assessment

Additional information

The logKoc was measured using the HPLC technique as described in OECD guideline 121. The logKoc was caluclated to be <1.25 (BASF 1999). In order to specify these results a supportive model calculation was performed. As calculated using SRC KOCWIN v2.00, the Koc of delta-valerolactone is 11.8 (corrected log Koc = 1.07) (BASF 2010).