Registration Dossier
Registration Dossier
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EC number: 205-487-5 | CAS number: 141-52-6
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
Adsorption to solid soil phase is not expected.
Key value for chemical safety assessment
Additional information
Due to the rapid hydrolysis of sodium ethanolate in water or soil moisture, the relevant species subject to environmental distribution are the degradation products sodium hydroxide and ethanol. For the sodium hydroxide it was concluded that it will be found predominantly in the aquatic compartment as alkali metal and hydroxide ions and will not adsorb on particulate matter or surfaces. Adsorption of ethanol to soil is not expected to be significant due to its high water solubility and low octanol-water partition coefficient. The assumption of a low adsorption potential of ethanol is substantiated by a KOCWIN v1.66 calculation which calculated a log Koc value of -0.144 (BASF SE 2007). Therefore, an adsorption/desorption study is not provided.
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