Registration Dossier
Registration Dossier
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EC number: 201-159-0 | CAS number: 78-93-3
Endpoint summary
Administrative data
Description of key information
No hazard was identified in the experimental studies with methyl ethyl ketone.
Additional information
The substance has been shown to possess a 96-hour LC50 in freshwater fish of 2973 mg/L, a 48-hour EC50 in Daphnia magna of 308 mg/L, and a 72-hour EC50 in algae of 1220 mg/L.
No toxicity to microorganisms is expected, as the substance is found to be readily biodegradable and the applied test concentrations in the available ready biodegradability study are in the range of concentrations that can be expected in the influent of a sewage treatment plant.
This substance is not considered to be acutely toxic to fish, or aquatic invertebrates, nor is it considered to be toxic to aquatic algae, cyanobacteria, or microorganisms.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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