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Environmental fate & pathways

Adsorption / desorption

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Description of key information

Key value for chemical safety assessment

Koc at 20 °C:
112

Additional information

An OECD 121 study has been performed in order to determine the Log Koc of Tetramethyltrimethylenediamine (TMPDA) (Clipston, 2013). However, it was concluded that the HPLC estimation method was inappropriate for elucidation of adsorption properties of this substance.

Therefore, a calculation method determining the Koc for charged molecules has been used. A Log Koc of 2.05 has been determined for pH 5 -8.

[LogKoc: 2.05]