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Acute tests on three trophic levels (fish, daphnids, algae) were performed to examine the aquatic toxicity of 2-methylaminoethanol.

Algae turned out to be the most sensitive species revealing an ErC50 (72h) of 28.1 mg/L. Effects of2-methylaminoethanol towards Daphnia magna were found in the same range providing an EC50 (48h) of 33 mg/L while the fish test reveals an LC50 (96h) of >100 mg/L.