Registration Dossier
Registration Dossier
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EC number: 939-415-5 | CAS number: -
Endpoint summary
Administrative data
Description of key information
There is no specific data on the substance. Read-across to the properties of Hexanoic acid, 3,5,5-trimethyl-, 1,1'-[2-ethyl-2-[[(3,5,5-trimethyl-1-oxohexyl)oxy]methyl]-1,3-propanediyl] ester (EC 613-848-7, CAS65870-94-2) is applicable based on the similarity in structure and physico-chemical properties. The justification for read-across is presented in Section 13 Assessment reports- Read-across justification.
As the Log Kow of the analogue test substance has been experimentally determined to be > 9.4 the substance is not expected to be bioaccumulative. For substances with a log Kow of > 10 the BCF is probably lower than 2000 L/kg which indicates that the test substance is not bioaccumulative according to the PBT-criteria (according to “Guidance on information requirements and chemical safety assessment – Chapter R.11: PBT Assessment” published by ECHA (2008)). TheBCF was calculated to be 77.7 L/kg wet weight (BCFBAF v3.00, regression based estimate) which correlates with the assumptions from the ECHA Guidance.
Furthermore, a log Kow of ≥ 10 can be taken as an indicator for reduced bioaccumulation potential (according to “Guidance on information requirements and chemical safety assessment – Chapter R.7c: Endpoint specific guidance” published by ECHA (2008).In addition the substance is readily biodegradable and of low water solubility (< 2.4 mg/L) so no chronic exposure of aquatic organisms is expected. Should the substance be taken up by fish, fatty acid esters are metabolised to fatty acids and alcohols.The proposed breakdown products show no concern for toxicity.Therefore, in accordance with Annex XIII the substance is not bioaccumulative.
Additional information
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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