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Physical & Chemical properties

Partition coefficient

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Description of key information

The substance "Hydrocarbons C6, n-alkanes, iso-alkanes, cyclics n-hexane rich" is a hydrocarbon UVCB. Standard tests for this endpoint are intended for single substances and are not appropriate for this complex substance.

Key value for chemical safety assessment

Additional information

Hydrocarbons, C6, n-alkanes, iso-alkanes, cyclics, n-hexane rich" is a hydrocarbon UVCB consisting of a number of hydrocarbon components each with their own log Kow value. As such, the generation of a single experimental log Kow value for a UVCB is of limited utility because the environmental risk assessment is performed at the component level. Reliable and valid QSARs are available to model log Kow for hydrocarbons, and predicted log Kow values for relevant components of "Hydrocarbons, C6, n-alkanes, iso-alkanes, cyclics, n-hexane rich" using the EPIWEB KOWWIN QSAR are available in Section 13 of IUCLID (see “PETRORISK” file). This QSAR meets all conditions as set in section 1.3 of Annex XI