Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 814-994-6 | CAS number: 123403-95-2
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
The substance is not readily biodegradable (according to OECD criteria).
The substance is poorly biodegradable.
Key value for chemical safety assessment
Additional information
The biodegradation potential of 3-(1-ethoxyethyl)-5-methyloxazolidin-2-one (EE-MOX, CAS 123403-95-2) was investigated in a GLP study performed according to OECD 301B using domestic activated sludge as inoculum. Biodegradation of the test substance was followed by CO2 measurement. The substance was found to be not ready biodegradable over the test period of 28 days. The required pass level for ready biodegradability within a ten-day window was not reached.
At the end of the test, the substance was biodegraded by 10 to 20%. Therefore, the substance is not readily biodegradable under these test conditions. Based on the rate of biodegradation of 10-20 % CO2/ThCO2 the test substance can be evaluated as poorly biodegradable in this test.
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.
