Registration Dossier
Registration Dossier
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EC number: 248-107-3 | CAS number: 26919-50-6
Endpoint summary
Administrative data
Description of key information
Additional information
The ready biodegradability of the registered substance in water was determined via read-across to the results of biodegradation testing on a structurally similar substance (tosyl salt). The substance was found to be readily biodegradable, but not meeting the 10 day window criteria. The main usage of the substance is in offshore locations associated with no exposure to agricultural soil. The risk of exposure to soil from manufacture and onshore use is from application of STP sludge to agricultural soil. As the substance is very water soluble, the substance does not absorb well to STP sludge, so the potential exposure is extremely small. Therefore, the PNEC for soil has been derived from the aquatic toxicity (based on study results) using the partition coefficient method, as described in the ECHA Guidance Document "Guidance on Information Requirements Part B: Hazard Assessment". The hazard and risk derived using this method was found to be minimal.
An assessment of likely degradation products has been performed by considering each of the constituent compounds in the title substance 6-[methyl(phenylsulphonyl)amino]hexanoic acid, compound with 2,2',2''-nitrilotriethanol (1:1) separately. Likely degradation products include N-methyl-N-(phenylsulfonyl)glycine and N-methyl-4-aminobutyric acid as well as transient degradation products of diethanolamine and ethanolamine are expected with the release of acetaldehyde.
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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