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Ecotoxicological information

Short-term toxicity to fish

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Aquatic toxicity studies of fatty acids, tall-oil, manganese saltsare not available. Thus, read-across to the assessment entities soluble manganese substances and fatty acids, tall oil is applied since manganese cations and fatty acid anions determine its fate and toxicity in the environment. Reliable data indicate that the moiety of ecotoxicological concern are manganese cations though manganese is an essential trace nutrient. The lowest acute effect concentration is the 96-h LC50 of 3.17 mg Mn/L for Oncorhynchus mykiss. Data for fatty acids, tall oil point to a low toxic a low (if any) toxic potential to freshwater fish.

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