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EC number: 417-790-1
CAS number: 78418-01-6
An experiment was conducted under GLP,
and following a guideline similar to EU Method C.7 (Degradation: Abiotic
Degradation: Hydrolysis as a Function of pH). The obtained results
demonstrated that the substance is stable as less than 10% of hydrolysis
occurred after 5 days.
Three ready biodegradability tests have been
performed according to OECD Guideline 301 on MEXORYL SAB. In all
studies, biodegradation of MEXORYLSAB was observed. Among 2/3 studies
(OECD TG 301D, 301F), MEXORYL SAB was found to be readily biodegradable
without fulfilling the 10 -day. In an inherent biodegradation test in
accordance with OECD TG 302B, MEXORYL SAB was biodegraded at 90% on Day
28. The reference substance (procedure control) attained 100% of
biodegradation on Day 10. The test is considered as valid. Under the
condition of the inherent biodegradation testing, MEXORYL SAB is
considered as inherently biodegradable.
Based on a low Log Kow (0.32), the
registered substance is expected not to adsorb strongly. However to
address the adsorption behaviour of the ionised and non ionised forms of
registered substance, an OECD 121 (GLP compliant) was conducted. The Log
Koc was determined to 3.3 for the non ionised form and to 1.3 for the
ionised form using the HPLC Method.
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.
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