Registration Dossier
Registration Dossier
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EC number: 942-764-6 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
No determination was possible according to Method 121 of the OECD Guidelines for Testing of Chemicals, 22 January 2001. · A preliminary assessment of the eightmain constituents of the test itemindicated that all eight would be at least partially ionized across the entire environmentally relevant pH range (pH 5 to 7). Therefore, it is anticipated that adsorption to the organic carbon content of soils and sediments will not be the dominant mechanism controlling the mobility of the test item in the environment. Adsorption of cationic species occurs primarily by an ion-exchange mechanism and thus depends on the cation-exchange capacity of the sorbent as well as a variety of other parameters (Boethling, R. S.1994. Environmental aspects of cationic surfactants.InJ. Cross and E. J. and Singer (ed.), Cationic Surfactants: Analytical and Biological Evaluation, vol. 53. Marcel Dekker, Inc., New York, USA.).
Therefore, based on the expected high cation-exchange ability of the eight, main test item constituents, the test item is anticipated to be essentially immobile in the environment.
The substance was not readily biodegradable under the conditions of the modified Sturm test but have exhibited evidence of ultimate biodegradation under the terms and conditions of OECD Guideline No 302C.
Due to the complex nature of the test item, it was considered that determination of the hydrolytic stability according to Method 111 of the OECD Guidelines for Testing of Chemicals, 13 April 2004 was not feasible.
It was concluded that the test item would be stable towards hydrolysis, i.e., a half-life of greater than 1 year at 25°C, at pH 4, 7 and 9.
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