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Environmental fate & pathways

Adsorption / desorption

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Description of key information

DETERMINATION OF PHYSICO-CHEMICAL PROPERTIES  OF 4,4’-DDS by Dr Ir. E. Baltussen, 2011.
Study performed according to OECD and EC guidelines and in compliance with GLP principles.

Key value for chemical safety assessment

Other adsorption coefficients

Type:
other: log Koc
Value in L/kg:
1.76
at the temperature of:
35 °C

Additional information

The HPLC method using soil-adsorption-reference data was applied for the determination of the adsorption coefficient (Koc) of 4,4'-DDS. At a neutral pH and 35 deg. C, the estimated Koc and log Koc values (soil) of the test substance are respectively 57 and 1.76.

[LogKoc: 1.76]