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Environmental fate & pathways

Adsorption / desorption

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Description of key information

The log koc of n-hexane was calculated to be 3.34

Key value for chemical safety assessment

Koc at 20 °C:
2 187.76

Additional information

As the log Kow of n-hexane is >3 the adsorption/desorption endpoint cannot be waived. However, ECHA's Guidance on Information Requirements and Chemical Safety Assessment R7a Endpoint Specific Guidance (2008) indicates that before commissioning a new study alternative sources of data (e. g. QSAR) on the adsorption/desorption potential of a chemical should used. The log Koc of n-hexane was calculated to be 3.34.