Registration Dossier
Registration Dossier
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EC number: 268-329-4 | CAS number: 68052-51-7
Endpoint summary
Administrative data
Description of key information
Abiotic degradation:
TBEAES is hydrolytically stable at pH 4, 7 and 9 in a tier 1 study according to OECD 111 and GLP principles. The half-life time at 25°C is > 1 year.
Biodegradation:
TBEAES is not readily biodegradable under the conditions of a Modified Sturm Test, according to OECD guideline 301 B and GLP principles.
Adsorption/desorption:
Assessment of the sorption potential of TBEAES is based on data available for the anion and the cation from a batch equilibrium test according to OECD 106 and GLP principles. For the anion, adsorption was extremely low and no KFoc could be calculated. For chemical safety assessment of the anion, it is assumed that no adsorption occurs, and therefore the Koc is set at 1 L/kg which is the minimum value for this parameter in EUSES. The geomean KFoc for the cation is 280 L/kg. As 1/n values for all three soils are >0.8, the KFoc value is used as a standard Koc value for chemical safety assessment of the cation.
Additional information
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