2,4-Dichlorophenoxyacetic Acid (2,4-D)

CAS ID#: 94-75-7

Affected Organ Systems: Body Weight, Cardiovascular (Heart and Blood Vessels), Endocrine (Glands and Hormones), Hematological (Blood Forming), Hematological (Blood Forming), Hepatic (Liver), Hepatic (Liver), Neurological (Nervous System), Renal (Urinary System or Kidneys), Respiratory (From the Nose to the Lungs), Respiratory (From the Nose to the Lungs)

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

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

Summary: 2,4-Dichlorophenoxyacetic acid (2,4-D) does not occur naturally in the environment. 2,4-D is the active ingredient in many products used in the United States and throughout the world as an herbicide to kill weeds on land and in the water. There are nine forms of 2,4-D that can be used as an herbicide and it is typically sold as a powder or in a liquid form.