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Environmental fate & pathways

Adsorption / desorption

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Link to relevant study record(s)

Description of key information

In an expert statement it was concluded that it is technically not feasible to either perform an adsorption/desorption screening test or a batch equilibrium test with the substance. The substance is a salt, dissociated in an anion (OH) and a cation (benzyltrimethylammonium) under environmental conditions. To determine whether the use of the substance (the cation) is safe for the environment, without a Koc, a dual worst case approach as explained in a RIVM report can be followed. The environmental risks can be determined by using a Koc value of 10 and by using a Koc value of 5050. These Koc values are determined by RIVM to be the worst case Koc values for the environmental risk assessment for a readily biodegradable substance.

Key value for chemical safety assessment

Koc at 20 °C:
10

Additional information

The RIVM report can be downloaded using the following link: https://www.rivm.nl/bibliotheek/rapporten/601516013.pdf