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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The calculated value of log Koc (soil and sediment partition coefficient) is calculated to be 1.49 (log units) based on the estimated log Kow value of 1.72.
Value used for CSA: 1.49 (log units) based on the estimated log Kow value of 1.72.

Key value for chemical safety assessment

Koc at 20 °C:

Additional information

The following information is taken into account for any environmental exposure assessment: Calculation performed using the equation provided in the European Chemicals Bureau: Technical Guidance Document on Risk Assessment, Chapter 4 "Predominantly hydrophobics". The domain of this equation is for all chemicals with C, H, F, Cl, Br, and I having a log Kow from 1 to 7.5. HFPO is in the domain of this equation. There is no log Koc equation specified for perfluorinated substances therefore this was deemed the most applicable. 

[LogKoc: 1.49]