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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Environmental fate & pathways

Adsorption / desorption

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Administrative data

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Description of key information

Expert statement for the adsorption coefficient of FAT 4053/A.

Key value for chemical safety assessment

Koc at 20 °C:
2 400

Additional information

The adsorption coefficient Koc of FAT 40'543/A is greater than 2400. This means that FAT 40'543/A is immobile in soils. An estimation was performed using a water solubility of smaller than 0.38 mg/l (pH 7, 20 °C) and an octanol/water partition coefficient of 3.69 (22 °C). The estimation was performed using regression equations (Lyman, Reehl, Rosenblatt: Handbook of Chemical Property Estimation Methods, 1990) relating the Koc with the above-mentioned properties.