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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Low potential for adsorption.

Key value for chemical safety assessment

Koc at 20 °C:

Other adsorption coefficients

other: Solids-water partition coefficient
Value in L/kg:

Other adsorption coefficients

other: Suspended matter-water partition coefficient
Value in L/kg:

Additional information

Based on the physicochemical properties, the substance is expected to possess a low potential for adsorption: it is characterized by a negative octanol water partition coefficient, due to the high capability to dissolve in water phase.

A study was conducted to estimate the adsorption coefficient, Koc, of the test item using HPLC method, according to the OECD guideline 121. The calibration range includes substances with log Koc values ranging from 1.25 to 3.65. Retention times measured for the test item resulted to be lower than the retention time of the first eluting standard Acetanilide; thus, the log Koc of test item resulted to be lower than 1.25.

The log Koc and the partition coefficients necessary for the PNECs calculation (PNEC sediment freshwater, PNEC sediment marine and PNEC soil) were estimated using the EUSES 2.1.2 tool*; the organic carbon-water partition coefficient has been estimated 0.659 l/kg (log Koc: -0.18).


* European Union System for the Evaluation of Substances (EUSES) version 2.1