CAS Number: 1582-09-8. A yellow-orange crystalline solid, used as
an herbicide to control annual grasses and some broadleaf annual
weeds on a variety of crops, shrubs, and flowers. It is used
mostly on cotton, as well as on soybeans and some fruits and
vegetables. Chemical formula = C13H16F3N3O4. Molecular weight =
335.3 g/mol.
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Trifluralin is used as a herbicide. No information is available
on the acute (short-term), chronic (long-term), reproductive,
developmental, or carcinogenic effects of trifluralin in humans.
Decreased weight gain and effects on the blood and liver were
observed in dogs chronically exposed to trifluralin in their
diet. Skeletal abnormalities and depressed fetal weight were
observed in the offspring of rodents exposed via gavage
(experimentally placing the chemical in the stomach). Increased
incidences of urinary tract tumors and thyroid tumors were
observed in rats exposed to trifluralin in their diet.
Trifluralin did not produce statistically significant increases
in tumors in other studies. EPA has classified trifluralin as a
Group C, possible human carcinogen (cancer-causing agent).