Registration Dossier
Registration Dossier
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EC number: 460-110-3 | CAS number: 797751-43-0 WASOX-MMAC2
Endpoint summary
Administrative data
Description of key information
Additional information
Hydrolysis:
Key study: EU Method C.7 and GLP. The half-life of test item Wasox-MMAC2's components MMAC2, MAC3 and MM2AC were <1h at pH 4, pH 7 and pH 9 hand 25°C. Therefore, the test item Wasox-MMAC2 is determined to be easily hydrolysable at test conditions.
Biodegradation in water: screening test:
Key study: OECD Guideline 301B and GLP. The carbon dioxide evolution from the test material reached a maximum of 32.1 % after 28 days of incubation with 30 mg/L of activated sludge inoculum at 21.6 ± 0.5 °C. Therefore, the test substance Wasox-MMAC2 was determined to be not readily biodegradable at a concentration of 15 mg organic carbon per liter.
Adsorption:
Data waiving (study technically not feasible): The study is technically not feasible since the substance is hydrolytically unstable (half-life < 1h). The Log Koc and Koc of test item should be understood based on its degradation product acetone oxime: log Kow = 1.783 and Koc = 60.7 (EPISuuite v4.1 / KOCWIN v2.00, US EPA).
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