Registration Dossier
Registration Dossier
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EC number: 245-910-0 | CAS number: 23847-08-7
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
Calculation with KOCWIN v4.10 (EPIWIN software by US-EPA), organic-normalized sorption coefficient (Koc): 491.1 L/kg (MCI method estimation)
Key value for chemical safety assessment
- Koc at 20 °C:
- 491.1
Additional information
The prediction for soil adsorption property of the test substance was determined by the computer program KOCWIN v2.00 (EPIWIN software) by US-EPA (Chemservice S.A., 2011). The program estimates the organic-normalised 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 is includes improved correction factors, resulting in a Koc value of 491.1 L/kg for the chemical compound. The traditional method gives a value of 26.06 L/kg. No GLP criteria are applicable for the usage of this tool, but due to the fact that it is a scientifically accepted calculation method the estimations performed are reliable with restrictions and can be used for the chemical safety assessment.
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