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Short-term toxicity to fish

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Description of key information

Short-term toxicity to fish: Substances identified as C10 -C12 hydrocarbons containing isoalkanes with <2% aromatics, isodocecane, and C12 -C16 hydrocarbons containing isoalkanes and cyclics with <2% aromatics in the C9 to C14 Aliphatics Category (</=2% aromatics) are not expected to demonstrate acute fish toxicity based on results of studies with a freshwater fish, Oncorhynchus mykiss. Each of these substances has been shown not to demonstrate effects, as measured by mortality in 96-hour LL50 studies, at the highest loading levels tested, which were 1000 mg/L or greater.

Key value for chemical safety assessment

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Substances identified as C10 -C12 hydrocarbons containing isoalkanes with <2% aromatics, isodocecane, and C12 -C16 hydrocarbons containing isoalkanes and cyclics with <2% aromatics in the C9 to C14 Aliphatics Category (</=2% aromatics) are not expected to demonstrate acute fish toxicity based on results of studies with a freshwater fish, Oncorhynchus mykiss. Each of these substances has been shown not to demonstrate effects, as measured by mortality in 96-hour LL50 studies, at the highest loading levels tested, which were 1000 mg/L or greater.

These data suggest that substances in this category with a carbon number range between C10 to C14 are not expected to cause acute toxicity to freshwater fish.