Registration Dossier
Registration Dossier
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EC number: 283-406-2 | CAS number: 84625-32-1 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Eucalyptus globulus, Myrtaceae.
Endpoint summary
Administrative data
Description of key information
Eucalyptus oil is a natural complex substance. It is a mixture of several components, but three of them represent 85% of that mixture. Log Kow of each of these components were determined and Koc values for Eucalyptus oil were estimated using geometric mean between three calculation approaches (MCI approach KOCWIN v2.00, Kow approach KOCWIN v2.00 and TGD 2003 part III table 4 non hydrophobics) for the two extreme Log Kow values: 2.84 for 1,8-cineol and 4.42 for alpha-pinene.
Then, Koc values of Eucalyptus oil vary between: 260.4 L/kg and 3222.3 L/kg.
Additional information
As the substance is a complexe mixture of several constituents, the environmental risk assessment was based on two “extreme” constituent, cineol 1,8 and alpha-pinene. These constituents where selected because their environmental fate is opposite. Alpha-pinene has a higher Koc and is more likely to be found in soil or sediments.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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