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EC number: 203-777-6
CAS number: 110-54-3
The estimated freshwater fish 96 hour LL50 value is 12.51 mg/l based on growth, for n-hexane.
toxicity was estimated using the Petrotox computer model (v. 3.04),
which combines a partitioning model used to calculate the aqueous
concentration of hydrocarbon components as a function of substance
loading with the Target Lipid Model used to calculate acute and chronic
toxicity of non-polar narcotic chemicals. Petrotox computes toxicity
based on the summation of the aqueous-phase concentrations of
hydrocarbon block(s) that represent a hydrocarbon substance and
membrane-water partitioning coefficients (KMW) that describe
the partitioning of the hydrocarbons between the water and organism. The
estimated freshwater fish 96 hour LL50 is 12.51 mg/l
based on mortality, for hexane.
additional experimental study measured an LC50 of >1 mg/l for n-hexane
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