Registration Dossier
Registration Dossier
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EC number: 302-766-4 | CAS number: 94134-01-7
Endpoint summary
Administrative data
Description of key information
N,N'-bis(carboxymethylglycine) compound with 2 -aminoethanol (1:3 ) is deemed to have a low potential for adsorption as the Log Kow value are below the adsorption threshold of 3. Therefore, additional adsorption-desorption data is not required under REACH Annex VIII. Any sorption of the registered substance to soil or sediment is expected to be negligible.)
The ready biodegradation of the test substance was determined using 3 GLP-certified studies undertaken in accordance with OECD Guidelines (OECD 301D and OECD 306). Ready biodegradability was achieved in two of three studies including the OECD 301D and one of the OECD 306. The ready biodegradability pass level was not achieved in one of the OECD 306 studies (ILAB study) in which ready biodegradability reached 54.4% at day 28. This result lies close to the pass level of 60% for ready biodegradability, but it could not be concluded that the substance showed a potential for biodegradation in the marine environment. Since the registered substance showed ready biodegradability in the OECD 301D and one of the OECD 306 and, the lack of ready biodegradability in one of the OECD 306 could be attributed to the high variability in the inoculum concentrations during the test, a well-known issue associated with the OECD 306 which is currently undergoing scrutiny by the scientific community. Therefore, it could be concluded that the registered substance has a good potential to biodegrade and should be deemed readily biodegradable.
Since the substance is deemed to be ready biodegradable hydrolysis can be waived in accordance with REACH Annex VIII, column 2.
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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