Registration Dossier

Environmental fate & pathways

Adsorption / desorption

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Description of key information

Calculation with KOCWIN v2.00 (EPIWIN software by US-EPA): 184.4 L/kg (MCI Method), 168.8 L/kg (Traditional Method) - low soil adsorption potential

Key value for chemical safety assessment

Koc at 20 °C:

Additional information

The prediction for soil adsorption property of the substance benzalacetone was determined by the computer program KOCWIN v2.00 (EPIWIN software) of US-EPA (Chemservice GmbH, 2011). The program estimates the organic-normalized sorption coefficient for soil, which is designated as Koc. The following two models are used: the Salbjic molecular connectivity (MCI) method as well as the traditional method which is based on the logPow value of the substance. The MCI method is taken more seriously into account, due to the fact that it includes improved correction factors, resulting in a Koc value of 184.4 L/kg. The traditional method revealed a Koc of 168.8 L/kg.