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

CAS ID #: 94-75-7

Affected Organ Systems: Cardiovascular (Heart and Blood Vessels), Gastrointestinal (Stomach and Intestines, part of the digestive system), Musculoskeletal (Muscles and Skeleton), Neurological (Nervous System), Respiratory (From the Nose to the Lungs)

Cancer Classification: EPA: Not classifiable as to human carcinogenicity. IARC: Possibly carcinogenic to humans. NTP: Not evaluated

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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.