Registration Dossier
Registration Dossier
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EC number: 233-912-4 | CAS number: 10431-98-8
Endpoint summary
Administrative data
Description of key information
No test data to address the ready biodegradability of the target substance is available. Therefore, information for two source substances, 2-aminoethanol (ethanolamine; CAS No. 141-43-5) and propionic acid (CAS No. 79-09-4), are presented to address this endpoint. The basis for this read-across approach is that the inoculum is expected to rapidly transform the target substance into the two source substances.
The ready biodegradability of propionic acid was studied in a Warburg Respirometer test. The test substance was degraded to 74% after 30 days. The substance propionic acid was shown to be readily biodegradable under the conditions of the test.
The ready biodegradability of 2-aminoethanol was studied in a Sturm test equivalent to OECD 301B. The test substance was degraded to 91.8 % after 28 days. The substance 2-aminoethanol was shown to be readily and ultimately biodegradable under the conditions of the test. Review of the data presented in the graphical representation of the % degradation over time confirms the sample degraded reaching approximate 10% degradation around day 2 and >80% around day 12. Therefore, the sample met the 10 -day window criteria.
Since both ethanolamine and propionic acid have been shown to be readily biodegradable, the target substance can confidently be predicted also to be readily biodegradable.
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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