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EC number: 270-790-1
CAS number: 68478-10-4
A complex combination of hydrocarbons obtained by the distillation of debenzenized light steam-cracked naphtha. It consists predominantly of cyclic olefinic and aromatic hydrocarbons having carbon numbers predominantly in the range of C8 through C16 and boiling in the range of approximately 130°C to 300°C (226°F to 572°F).
Short description of key information on bioaccumulation potential result: Dicyclopentadiene is rapidly absorbed, metabolised and eliminated.
toxicokinetics of dicyclopentadiene has been evaluated in rats, mice and
dogs (Litton Bionetics, 1976). Elimination from plasma was biphasic in
all three species; terminal half lives were 18 to 27 hours.
Radioactivity was rapidly and widely distributed into tissues in all
three species; the highest concentrations were found in the body fat,
adrenal glands and urinary bladder in the rat; in the urinary bladder,
gall bladder and body fat in the mouse; and in the bile, gall bladder
and bladder in the dog. In all three species, the majority of the
radioactivity was excreted in the urine. Urinary radioactivity was
present as 6 -7 components; conjugates but no unchanged
dicyclopentadiene were present.
further study was carried out in a lactating Jersey
(Ivie, 1980). On the basis of this study it was concluded that exposure
of livestock to small quantities of dicyclopentadiene would not result
in detectable contamination of the milk or meat.
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