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EC number: 292-607-4
CAS number: 90640-86-1
Distillate from the fractional distillation of coal tar of bituminous coal, with boiling range of 240°C to 400°C (464°F to 752°F). Composed primarily of tri- and polynuclear hydrocarbons and heterocyclic compounds.
There was no difference in LC50
results in experiments with and without sediment.
After 8 weeks of chronic exposure,
survival was high and not significantly different among experimental
treatments. The acetone carrier had a significant and positive effect on
growth and reproduction relative to worms in the seawater control.
Compared to acetone carrier, treatment
significantly diminished growth, fecundity and EJ production and
significantly increased the time between pairing and egg deposition.
Worms accumulated 780 µg
phenanthrene/kg ww during the 8 week exposure.
Exposed worms produced copious amounts
of mucus and did not actively feed during the latter half of the 8 week
exposure. When removed from the aquaria, they were very lethargic and
did not exhibit the normal fighting behaviour. Normal behaviour resumed
after 24 hrs in clean seawater.
Symptoms indicate non-specific
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