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EC number: 265-078-2
CAS number: 64741-77-1
A complex combination of hydrocarbons from distillation of the products from a hydrocracking process. It consists predominantly of saturated hydrocarbons having carbon numbers predominantly in the range of C10 through C18, and boiling in the range of approximately 160°C to 320°C (320°F to 608°F).
toxicity was estimated using the PETROTOX computer model, 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 petroleum substance and membrane-water partition
coefficients (KMW) that describe the partitioning of the
hydrocarbons between the water and organism. The estimated 40-hr EL50
value forTetrahymena pyriformis, one of the most sensitive
microorganism species, is >1000 mg/L
and the estimated NOEL is 3.217 mg/L.
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