Registration Dossier
Registration Dossier
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EC number: 203-710-0 | CAS number: 109-83-1
Endpoint summary
Administrative data
Description of key information
Toxicity to fish:
The key value for chemical safety assessment is taken from two experimental results, which confirm: LC50 > 100 mg/L (Bayer AG, 1984) and LC50 = 100 mg/L (ICI Brixham Laboratory, 1986).
No experimental data available for long-term toxicity to fish.
Toxicity to aquatic invertebrates:
The key value for chemical safety assessment is taken from an experimental result by BASF AG (1993).
No experimental data available for long-term toxicity to aquatic invertebrates
Toxicity to aquatic algae and cyanobacteria:
In a static freshwater toxicity test (BASF AG, 1994) N-Methylaminoethanol was found to be acutely harmful to algae.
Toxicity to microorganisms:
The inhibition of the degradation activity of activated sludge is not anticipated when 2-methylaminoethanol is introduced in appropriate low concentrations.
Additional information
Acute tests on three trophic levels (fish, daphnids, algae) were performed to examine the aquatic toxicity of 2-methylaminoethanol.
Freshwater algae turned out to be the most sensitive species revealing an ErC50 (72h) of 28.1 mg/L.
For the marine phytoplankton species Skeletonema costatum an EC50 (72 h) value of 2.6 mg/L (growth rate) was calculated.
Effects of 2-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.
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