Registration Dossier

Environmental fate & pathways

Adsorption / desorption

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Description of key information

The Koc and log Koc values of the test substance at neutral pH were >4.3E5 and >5.63 respectively.

Key value for chemical safety assessment

Koc at 20 °C:
430 000

Additional information

Alkylated naphthalene, EC Number 700-826-8, is a close structural analog of the Alkylnaphthalene being assessed in this dossier. The substances have similar chemical and physical properites and therefore the Adsorption Coefficient (Koc) testing for Alkylated naphthalene, EC Number 700-826-8, can be used as read-across to the alkylnaphthalene in this dossier.

The HPLC method (OECD 121) using soil-adsorption-reference data was applied for the determination of the adsorption coefficient (Koc) of alkylated naphthalene. The Koc and log Koc values of the test substance at neutral pH were >4.3 × 105and >5.63 respectively.

[LogKoc: 5.63]