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EC number: 248-130-9
CAS number: 26952-13-6
A measured Koc is not available for alkenes C11/13/14. A log Koc of 4.98-5.77 has been calculated for dodecene and tetradecene using a QSAR.
A measured Koc is not available for alkenes C11/13/14. As based on read
across their measured log Kow 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. If the calculated Koc proves to be influential in the risk
assessment then it may be necessary to conduct a new study.
Soil sorption of non-ionic substances can be estimated from their log
Kow. Several QSAR have been developed that calculate the Koc of
non-polar hydrocarbons on the basis of their log Kow (e.g. Sablijc and
Gusten, 1995). The log Kow of dodecene and tetradecene falls within the
applicability domain of this model and the calculated values are read
across to alkenes C11/13/14. The calculated log Koc is 4.98 -5.77, and
these values will be used in the 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.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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