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CAS 330-55-2

Linuron

Organic Chemicals, except for PFASPotential EDCPesticidesDevelopmental_ToxicityCarcinogenTeratogen

Linuron is a weed‑killing pesticide (herbicide) used on many crops and some non‑crop areas. It can get into food, air, and water; animal studies show hormonal and reproductive effects at higher doses, so regulators manage its use to reduce risk [1][2][5].

Where It Comes From

Applied to agricultural fields and rights‑of‑way; residues can remain on treated crops and reach groundwater or streams via runoff [1][2].

How You Are Exposed

Eating produce with residues; breathing spray drift or dust near fields; skin contact when mixing/applying; drinking contaminated well water in farming areas [1][2].

Why It Matters

In animals, linuron can disrupt androgen (male hormone) signaling and affect male development and the thyroid; EPA has also reviewed limited evidence for cancer and sets safety limits to protect consumers [2][5].

Who Is at Risk

Farmworkers and pesticide applicators; people living near treated fields; pregnant people, infants, and children, who are more sensitive to endocrine effects [1][2][5].

How to Lower Your Exposure

Wash and peel produce when possible; avoid areas during and shortly after spraying; if you use a private well near agriculture, consider testing and a certified filter for pesticides; workers should follow label directions and use protective gear [2][3][4].

References

  1. [1]US EPA. Reregistration Eligibility Decision (RED) for Linuron. EPA 738-R-02-014. 2002. https://www.epa.gov/pesticide-reevaluation/linuron
  2. [2]US EPA, Office of Pesticide Programs. Linuron: Human Health Risk Assessment for Registration Review. Docket EPA-HQ-OPP-2011-0379. 2016/2017. https://www.regulations.gov/docket/EPA-HQ-OPP-2011-0379
  3. [3]CDC. Fruits and Vegetables Safety. https://www.cdc.gov/foodsafety/produce/
  4. [4]US EPA. Household Water Treatment Systems. https://www.epa.gov/ground-water-and-drinking-water/household-water-treatment
  5. [5]WHO/FAO JMPR. Linuron toxicological evaluation (Pesticide residues in food – 2002 evaluations). https://inchem.org/pages/jmpr.html

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