Registration Dossier
Registration Dossier
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EC number: 205-487-5 | CAS number: 141-52-6
Toxicity to terrestrial plants
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
Sodium ethanolate hydrolyses in water to form inorganic sodium hydroxide and ethanol. For sodium hydroxide no data are available since the substance completely dissociates in water and effects are related to a shift in pH values only.
For the organic hydrolysis product a toxicity study with Allium cepa is available (Fiskesjo, 1985). In thisroot growth inhibition test using alliums proposed for use as a screening test for toxicity assessment of effluents, rivers etc, ethanol was found to have an EC50 value of 11800mg/l and an estimated EC10 of 789mg/l when the sets were placed in aqueous ethanol solutions. The dose response curve was relatively shallow and effectively linear over the concentration range examined. This study is used as the key for deriving a no effect level (EC10).
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