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Environmental fate & pathways

Adsorption / desorption

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Description of key information

The HPLC estimation method based on soil-adsorption reference data was used for the determination of the adsorption coefficient (Koc) of the substance. The study was performed in accordance with OECD 121 and in compliance with GLP. The mobile phase was 55/45 (v/v) methanol/water and the wavelength of detection 210 nm. The stationary phase contained cyanopropyl chains chemically bonded to silica. Formamide was used as unretained substance. Duplicate injections of reference substances and test substance. The chromatogram of the test substance showed one test substance peak. The corresponding log Koc value was calculated from the regression line to be 4.07 (Koc= 1.2E04).

Key value for chemical safety assessment

Koc at 20 °C:
12 000

Additional information