Registration Dossier
Registration Dossier
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EC number: 282-490-8 | CAS number: 84238-29-9 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Vetiveria zizanioides, Gramineae.
Partition coefficient
Administrative data
Link to relevant study record(s)
Description of key information
- Log Kow for alcohols in vetivert oil: 4.1 - 5.63
- Log Kow for hydrocarbons in vetivert: 5.74 - 6.32
- Log Kow for ketones in vetivert oil: 3.35 - 4.93
Key value for chemical safety assessment
Additional information
Vetivert oil is a NCS consisting of > 140 constituents. For 24 of the major constituents, divided over 3 different functional groups (alcohols, hydrocarbons and ketones), log Kow values have been estimated using the EPISUITE 3.20 Kowwin (Q)SAR. These 24 constituents make up 70.6% of the total composition of vetivert oil. The functional groups, the number of constituents in each group, the percentage of the functional group in the total composition of vetivert oil and the log Kow range for each group are reported below.
Alcohols (n=10, 47.1%): 4.1 - 5.63
Hydrocarbons (n=9, 11.8%): 5.74 - 6.32
Ketones (n=5, 11.7%): 3.35 - 4.93
Based on these estimations it can be concluded that >25% w/w of vetivert oil has a log Kow >4 (as alcohols are the main component). This leads to a R53 classification under the classification criteria of 67/548/EC and may lead to a classification as chronicically ecotoxic under 1272/2008/EC, dependent on substance ecotoxicity.
This result should be used for classification and risk assessment.
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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