Registration Dossier
Registration Dossier
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EC number: 203-718-4 | CAS number: 109-92-2
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Ethyl vinyl ether is acutely harmful to algae
Key value for chemical safety assessment
Additional information
One study on the toxicity of ethyl vinyl ether to aquatic algae is available. The study testing the toxicity of ethyl vinyl ether to Desmodesmus subspicatus was performed in compliance with OECD guideline 201 in an open system. An EC50 >1000 mg/l related to the algae growth rate was detected after 72 hours (Fraunhofer Gesellschaft, 1989). Since the study was performed in an open system the data for toxicity assessment are obtained from a study investigating the toxicity of an analogue substance, Isobutylvinylether, to Desmodesmus subspicatus. The study was performed in a closed system set up according to OECD guideline 201. Based on the algal growth rate an EC50 of 45.9 mg/l was determined at test termination after 72 hours (BASF AG, 2004).
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