Atrazine

CAS ID#: 1912-24-9

Affected Organ Systems: Body Weight, Cardiovascular (Heart and Blood Vessels), Developmental (effects during periods when organs are developing), Hepatic (Liver), Renal (Urinary System or Kidneys), Reproductive (Producing Children)

Cancer Classification:  Please contact NTP, IARC, or EPA with questions on cancer and cancer classification.

Chemical Classification: Benzidines/Aromatic amines, Pesticides (chemicals used for killing pests, such as rodents, insects, or plants)

Summary: Atrazine is an herbicide that does not occur naturally. Pure atrazine is an odorless, white powder that is not very volatile, reactive, or flammable and that will dissolve in water. Atrazine is used to kill weeds, primarily on farms, but has also been used on highway and railroad rights-of-way. The EPA now restricts how atrazine can be used and applied; only trained people are allowed to spray it.

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Page last reviewed: February 10, 2021
Content source: Agency for Toxic Substances and Disease Registry