Registration Dossier
Registration Dossier
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EC number: 908-917-6 | CAS number: -
Endpoint summary
Administrative data
Description of key information
The hazard assessment is based on the data currently available. Pursuant to ECHA decision on a compliance check TPE-D-2114576587-30-01/F new studies with the registered substance are ongoing but will be finalized after the deadline 29 Nov 2022. Please see attached document (chapter 13) explaining the delay of the final studies. The finalised studies will be reported in an updated dossier as soon as they become available, and the hazard assessment will be re-evaluated accordingly. For further details, please refer to the category concept document attached to the category object (linked under IUCLID section 0.2) showing an overview of the strategy for all substances within the glycol esters category.
Additional information
The hazard assessment is based on the data currently available. Pursuant to ECHA decision on a compliance check TPE-D-2114576587-30-01/F new studies with the registered substance are ongoing but will be finalized after the deadline 29 Nov 2022. Please see attached document (chapter 13) explaining the delay of the final studies. The finalised studies will be reported in an updated dossier as soon as they become available, and the hazard assessment will be re-evaluated accordingly. For further details, please refer to the category concept document attached to the category object (linked under IUCLID section 0.2) showing an overview of the strategy for all substances within the glycol esters category.
Experimental studies investigating the short-term toxicity of Reaction mass of 2-hydroxyethyl laurate and ethylene dilaurate (EC 908-917-6) to aquatic organisms are available for three trophic levels. All studies were performed under GLP conditions and according to standard OECD guidelines. The algae (Desmodesmus subspicatus) turned out to be the most sensitive species with an ErC50 (72 h) of 0.243.11 mg/L (meas., geom. mean) and an ErC10 of 176.72 µg/L (meas., geom. mean) followed by Daphnia magna with an EC50 (48 h) of 1.11 mg/L (meas.) and Danio rerio with a LC50 (96 h) >0.536 mg/L (meas-, arithm. mean). Since the test item was not stable under test conditions the biological results were based on the actual measured test item concentrations (geometric mean, time weighted average and mean measured concentrations).
Furthermore the substance did not cause inhibition of biodegradation in the toxicity control of a biodegradation study according to OECD 301 B with activated sludge from a sewage treatment plant. Therefore, inhibition of the degradation process in sewage treatment plants is not expected.
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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